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PICKI NIKI Filtered Shower Head in Black with Vitamin C Gel Filter

Healthy hair and skin benefits with HydroCure Capsule Technology

Filter with rust and dirt removal capabilities on a black background

Filtered Shower Head with Vitamin C – Healthier Hair | PICKI NIKI

PICKI NIKI Shower Head Black – exploded view of all filter components

PICKI NIKI featured in Marie Claire UK, Vogue, Brigitte DE, and The Independent UK

PICKI NIKI Filtered Shower Head in White with Vitamin C Gel Filter

PICKI NIKI Duschkopf Weiss – Explosionsansicht aller Filterkomponenten

PICKI NIKI Filtered Shower Head White in bathroom interior

Filtered Shower Head with Vitamin C – Healthier Hair | PICKI NIKI

Name: Filtered Shower Head with Vitamin C – Healthier Hair | PICKI NIKI
Brand: PICKI NIKI
SKU: PN-SH-1-B
Price: 99.0 EUR
Availability: InStock
Rating: 4.9 (647 reviews)

647 Reviews

99 €

Smoother hair - less mineral residue
Softer skin - no post-shower tightness
Vitamin C gel - neutralises chlorine on contact

Independently lab-tested: chlorine, pH & skin safety

Color — Black

Black

White

Subscribe & Save 20%

Start your transformation!

We stand behind the quality of our PICKI NIKI Filter Shower Head. If for any reason you are not satisfied, we offer a no-fuss money-back guarantee.

For starter kits: 60-day money-back guarantee. Your satisfaction matters to us.

Our 60-day money-back guarantee for starter kits assures you a full refund if you are not satisfied with your PICKI NIKI shower head.

This also applies to starter kits that have already been opened and used. Please note that this 60-day money-back guarantee applies to starter kits ONLY.

Your satisfaction is our priority and we are committed to a positive experience.

What customers report after switching

Thousands of customers across the UK and EU have switched to PICKI NIKI. They commonly mention:

Softer-feeling skin – Reduces residue from chlorine and hard-water minerals
Easier-to-style hair – Less mineral residue on the hair shaft after rinsing
Smoother-feeling hair – Customers describe more manageable hair after switching from unfiltered tap water
Improved water pressure – 200 precision micro-holes for a powerful yet gentle stream
Suitable for the whole family – Filters chlorine, heavy metals and rust from your shower water

Clinically tested for skin compatibility (P&K Skin Clinical Research Centre, n=30, dermatologically tested non-irritant) and backed by our 60-day money-back guarantee. Learn more

Hard, mineral-rich water can be a burden on skin and hair. The PICKI NIKI filtered shower head is engineered for skin and hair contact under shower conditions.

It effectively softens the water and reduces the calcium and magnesium content – the culprits behind hard water.

Use against hard water: ascorbic acid binds with magnesium and calcium minerals, making them water-soluble. They can now be washed away, leaving no more residue on skin, hair or in the shower cubicle.

The lime, calcium carbonate (CaCO3), combines with ascorbic acid (C5H5O5CH2OH). The product is CO2 (carbon dioxide gas that simply goes into the atmosphere), H2O (water) and Ca(C2H3O2) (calcium acetate, which is water-soluble).

Use against chlorine: Reduces residual chlorine to non-detectable levels (KEWI lab test).

One gram of ascorbic acid neutralizes 1 milligram per liter of chlorine per 100 gallons of water. The reaction is very fast.

C5H5O5CH2OH + HOCL → C5H3O5CH2OH + HCl + H2O

Ascorbic acid + hypochlorous acid → dehydroascorbic acid + hydrochloric acid + water

About 2.5 parts ascorbic acid are needed to neutralize 1 part chlorine. Since ascorbic acid is weakly acidic, the pH of the treated water can drop slightly in weakly alkaline water. Slightly acidic water is perfect for the skin barrier, scalp and hair.

Look forward to a change for softer skin, silkier hair and a shower that feels like a gentle waterfall.

Our filter is not just a tool, but a treasure trove of skin-friendly ingredients.

Enriched with vitamin C, it neutralizes chlorine and makes your water pure and gentle. But that's not all – we have also added other natural elements known for their cleansing properties.

Every shower becomes a nourishing ritual that provides your skin and hair with essential nutrients, transforming your daily routine into a pampering spa experience.

Ascorbic acid (vitamin C): ascorbic acid, better known as vitamin C, is used here for its antioxidant properties. Vitamin C is a radical capture agent and has an antioxidant effect (so it acts as a reducing agent).

Combats hard water: ascorbic acid reacts with and dissolves magnesium and calcium minerals into water-soluble compounds. They can now be washed off and no longer leave residues on skin, hair or in the shower cubicle.

Glycerin: is used for its high moisture absorption, its occlusive properties (protects the skin from aggressions) and its emollient (for smooth skin and hair).

Collagen: is a very important protein molecule in the human body and a major component of the skin. It has the function of supporting the connective tissue of the skin like a scaffold, which makes the skin elastic and supple.

Free shipping on our minimum order value of €49 (for Germany and EU), $49 (for US) and £49 (for UK).

We want your experience with us to be as smooth and straightforward as possible, starting with shipping.

As soon as you place your order, our team quickly prepares your package for shipment.

You will receive a tracking number so you can keep an eye on your package's journey.

Our reliable shipping partners will ensure that your PICKI NIKI filter shower head arrives promptly and in perfect condition, ready to revolutionize your shower experience.

Your journey to a transformative shower experience starts with our carefully curated set.

Inside, you'll find the elegant PICKI NIKI filter shower head, known for its sleek design and powerful filtering capabilities.

And to get you off to a flying start, we're including a set of our signature filters with vitamin C – the centerpiece of your new luxurious shower routine.

Contains and already installed:

1x shower head (in black or white)
1x vitamin head filter (tea tree)
1x sediment handle filter
1x additional water spray plate

99%

Lab-Tested Performance

Verified non-detectable chlorine in independent lab test.¹ The redox reaction with ascorbic acid runs faster at warm shower temperatures - the opposite of carbon-based filters.

1,000+

5-Star Reviews

1,000+ verified five-star reviews on Okendo and Trustpilot. 4.9 average on Okendo.

60d

Money-Back Guarantee

Try PICKI NIKI risk-free for 60 days. Not for you? Send it back. No questions asked, full refund.

20 sec

Installation

Universal fit on any standard shower hose. No plumber, no tools, no leaks - swap in 20 seconds.

Real Customers. Real Water. Real Change.

They tested it on their own water.

Build Your Starter Set And Get 30% Discount

STEP 1: Shower Head

Choose a shower head in black or white and put it in the shopping cart

STEP 2: 8x Filters

Add 8 products of your choise:
Vitamin filters of your choice
Sediment handle filter [3-Pack]

STEP 3: Automatic 30% off

You will automatically receive a 30% discount on extras and accessories

AS SEEN IN

What Customers Notice After Switching To Filtered Shower Water

Photos shared by our community. Individual experiences vary.

Before

After

Softer-feeling, easier-styling hair

Many customers report softer-feeling, easier-styling hair after switching to filtered shower water. Individual experiences vary.

Before

After

Calmer and cleaner-feeling skin

Many customers describe their skin as feeling calmer and cleaner after switching to filtered shower water. Individual experiences vary.

Before

After

Calmer-feeling scalp

Many customers report a calmer-feeling scalp after switching to filtered shower water. Individual experiences vary.

Before

After

Calmer-feeling scalp

Many customers describe their scalp as feeling calmer after switching to filtered shower water. Individual experiences vary.

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Hair thinning isn't just about genetics

- it's often triggered by what's flowing from your shower. PICKI NIKI's lab-tested shower head targets this hidden cause at the source.

By filtering out chlorine, rust, and hard minerals, it reduces residue on the scalp and hair shaft.

Many of our customers came to Picki Niki because hard water and chlorine were affecting how their hair felt.

Verified reviews

What Customers Say

★★★★★

Highly recommended!

I live in a very hard water area of London and have noticed my hair and skin suffering from dryness and dullness, regardless of the quality of products I used. I filter my drinking water, so why not my shower water too? Picki Niki's showerhead is beautifully designed to feel compact and lightweight to hold. It enhances water pressure, and the lovely citrus fragrance adds a subtle touch that makes every shower feel like a spa experience!

Amanda T.London, UKVerified buyer

★★★★★

Filtered shower head with Vitamin C

I am extremely happy with the results of using this shower head, it completely exceeded my expectations. After only a couple of weeks of usage my skin is much softer and my hair is very shiny and soft. I bought this product because I live in London and the water is hard and my hair was dry and dull. I would 100% recommend. The delivery was also seamless.

Nicola C.London, UKVerified buyer

★★★★★

Great shower

I bought the shower head after a bit of research and it's been great. I'm based in the UK and it has improved the pressure from the electric shower. Additionally the filter provides a higher quality water, noticeable on hair and skin, and straight away you can tell the shower glass doors are much less streaky and easier to clean.

Gaizka B.United KingdomVerified buyer

★★★★★

My curls sprang back to life

I have struggled with my hair since arriving in England due to the high amount of lime in the water. I tried other showerheads before proceeding with PICKI NIKI. My hair is super soft now, and manageable again. Worth the money, for sure!

Clara H.England, UKVerified buyer

★★★★★

So great

Using this shower head has changed my life. My skin is no longer tight or itchy from limescale after my shower, my hair is shinier and the smell of Vitamin C is pure relaxation. I highly recommend it.

Christelle O.Verified buyer

★★★★★

Smooth hair and relaxing

I can tell the difference already in my hair. The frizz has decreased when I air dry it and the smell from the filter is amazing. Wanted to purchase for a while and glad I did.

Ina A.Verified buyer

★★★★★

Five stars

Living in Copenhagen and showering in very hard water, it gave me dry skin and hair ends, but it has helped a lot using the shower head. Also, no more discolouring on the shower curtain.

RikkeCopenhagen, DenmarkVerified buyer

★★★★★

Full endorsement

I absolutely love this product. Improved skin and hair, increased water pressure with decreased consumption, with aromatherapy as an added benefit. And super easy to install. I give this product my highest endorsement!

Anastasia L.Verified buyer

★★★★★

Perfect

Very easy to install myself, and it makes my bathroom smell so good. I love how the Vitamin C makes my skin so soft. I feel like this also makes a difference when I wash my face in the shower. So glad I decided to buy this.

Monique E.Verified buyer

Verbatim 5-star reviews from verified buyers (Okendo).

Proven Where It Matters

See how it works, and how it was tested:

Dermatologically tested, non-irritant¹
Chlorine neutralisation tested²
60-point water quality test³
pH balance tested⁴
Sediment pre-filter for rust & pipe particles

Dermatologically Tested. Backed by Three Korean Labs.

Dermatologically tested non-irritant: Skin Irritation Index 0.03 (P&K Skin Clinical Research Centre, n=30)¹. Free chlorine reduced to non-detectable² plus a 60-parameter drinking-water analysis at the same KEWI lab³. pH balanced under shower flow conditions (KTR)⁴. Made in Korea, ISO 9001 + 14001⁶.

Four Steps. One Shower.

STEP 1: Sediment Filtration

A dedicated 5μm pre-filter catches rust, pipe debris, and grit from old plumbing - the first thing most shower filters skip.

STEP 2: Less Hard-Water Residue

Hard-water minerals leave that tight, residue-like feeling after showering. The Vitamin C stage helps reduce visible mineral build-up on skin and hair.

STEP 3: Chlorine Neutralisation

The Vitamin C reaction reduces free chlorine to non-detectable (KEWI lab, 2020). That means a shower that won't strip your skin's natural oils or roughen your hair.

STEP 4: Stronger Spray, Less Water

A 200-hole precision plate gives you stronger feel with up to 35% less water. Better pressure, smaller bill, gentler on skin and hair.

WHY NOT CARBON

Carbon Was Built For Kitchen Taps. We Changed The Chemistry.

Most shower filters are repurposed drinking-water tech¹⁰ - activated carbon, mineral beads, KDF media - all designed for cold tap water with minutes of contact time. In a real shower, water passes through the cartridge in ~0.1 seconds at 40 °C+.³ Catalytic chlorine reduction by activated carbon needs 25-40 seconds of empty-bed contact time⁴ - 25× longer than a shower allows. PICKI NIKI uses Vitamin C (ascorbic acid), where the chlorine redox reaction runs faster with heat, not slower. Built for shower physics from scratch.

PICKI NIKI shower filter - built for real showers

Sub-second reactionVitamin C neutralises chlorine via direct redox - no contact-time bottleneck like adsorption media. ~0.1 s residence time at 7.5 L/min shower flow.2,3
Temperature-positiveReaction speed increases with heat (Arrhenius). Activated carbon by contrast needs 25-40 seconds of empty-bed contact time for chlorine reduction (WQA), while a shower gives under 1 second.
Hard-water activeReacts with calcium and magnesium minerals - softens water as it filters, not as a separate stage.

Mechanism over marketing

A Filter Built For a Real Shower. Not a Kitchen Tap.

Two filters working together inside one shower head: a melt-blown PP sediment pre-filter in the handle (sealed full-flow housing, 100% pass-through), and a Vitamin C gel cartridge in the head. Then look at how the rest of the category was built - for cold, slow drinking water.

	Vitamin C Gel PICKI NIKI1 cartridge ~ 250 lemons of Vitamin C	Activated Carbon Adsorbent media	KDF 55 Zinc/copper redox	Mineral / Ceramic Beads No published mechanism
Built for	Showers	Drinking water	Drinking / industrial	Marketing add-on
Used by	PICKI NIKI; Korean K-beauty filtered shower heads	Most home pitcher and faucet filters; many premium shower filters (often as one layer in a multi-media stack)	Industrial water treatment; some premium shower filters (often rebranded under proprietary names)	Most cheap Amazon 'Vitamin C ball' shower heads; ionic/wellness products (frequently Sodium-Sulfite or ceramic, not actual ascorbic acid)
Hot shower water (40 °C+)	✓Reaction speeds up with heat	✕Risk of contaminant desorption above 40 °C; hidden capacity loss as adsorption saturates	~Stable but slow	—
Contact time needed	~0.1 secRedox on contact at full shower flow	25-40 secEBCT required (WQA)	SecondsAt low flow only	n/a
Chlorine neutralisation	✓Direct chemical reaction; AWWA C651-05 referenced	~Adsorption - needs 25-40 sec EBCT (WQA)	~98% claimed at industrial flow; drops at shower flow	✕No published chlorine mechanism
Hard water (Ca / Mg)	✓Reacts with minerals as it neutralises chlorine	✕	✕	✕
Sediment, rust & debris	✓Melt-blown PP cartridge in sealed full-flow housing - 100% pass-through	✕Pure adsorbent media - no sediment removal	✕Pure media - no sediment removal	✕
End-of-life signal	✓Visible - gel consumed	✕Invisible decay	✕	✕

¹ KEWI test (2020): 100 L synthetic water, 0.19 mg/L free chlorine → non-detectable, flow 2.52 L/min, 22 °C. ² KTR contract test (2023): showerhead flow 7.5 L/min measured. Cartridge gel 35 g (~27 mL), void volume ~13-18 mL → residence time ~0.10-0.14 s at 7.5 L/min. ³ WQA / Fresh Water Systems: catalytic chlorine reduction by granular activated carbon requires 25-40 s empty-bed contact time. ⁴ Ania et al. 2004, Carbon (DOI 10.1016/j.carbon.2004.01.010): hot conditions can desorb previously-adsorbed compounds from activated carbon back into the flow. ⁵ AWWA C651-05 (2005 revision): adds ascorbic acid as an approved dechlorination agent.

What's Actually Inside.

Filter 1 · In the handle

Melt-blown PP sediment filter

Catches rust, sand and pipe debris before water reaches your skin. Melt-blown PP pre-filter in sealed full-flow housing - 100% of water passes through, no bypass possible. Lasts approximately 1-3 months, replace as a 3-pack.

Filter 2 · In the head

Vitamin C gel cartridge

Ascorbic acid reacts with chlorine on direct contact - a fast redox reaction that accelerates at warm shower temperatures, and reacts with calcium and magnesium so hard water stops drying out skin and hair. Lasts ~2-4 weeks with a visible end-of-life as the gel is consumed.

Filters & Scents

Experience the combination of cleansing filters and aromatic scents

Invigorating Tea Tree Essence

Provides a refreshing and invigorating shower experience.

Antibacterial properties help maintain skin health.

Awakens and invigorates the senses, perfect for your morning routine.

Chlorine neutralizer for a healthier shower experience.

Soothing Baby Powder Scent

Give your shower a gentle, soothing scent.

Cares for your skin and hair and neutralizes chlorine.

Transforms showering into a relaxing spa experience.

Ideal for sensitive skin, offers gentle care.

Unscented – Simple and Pure

Ideal for those sensitive to fragrances.

Protects and replenishes skin and hair.

Removes chlorine for a cleaner shower experience.

Perfect for users with specific odor sensitivities and allergies.

All You Need Included

Everyday Benefits Beyond Filtration

Luxurious Showers Like In A Spa

The vitamin C filter gives your shower a refreshing fragrance, making every shower feel like a spa experience.

Easy Installation

No plumber required - simply fit the shower head yourself and see immediate results.

Travel Friendly

Take it with you when you travel so that your hair continues to receive the care it needs.

PICKI NIKI Shower Head complete pack shot with all components

Double Filter System

Captures sediment and neutralises chlorine, and reduces hard-water build-up - for purer, gentler showers.

Vitamin C Infusion

Gives the water a nourishing boost and helps to maintain a healthy scalp and moist skin.

Optimum Water Pressure

All products are rinsed off with double water pressure and silky water jets through 200 micro-holes.

How The Subscription Works

STEP 1: Build Your Box

Choose your handle filter and favorite vitamin gel filters. Mix scents or go fragrance-free.

STEP 2: Enjoy Healthier Showers

Many customers report softer-feeling skin and easier-styling hair after switching to filtered shower water - including less dryness and less breakage from mineral build-up. Individual experiences vary.

Sediment filter removes rust and dirt from shower water

STEP 3: Stay in Control

Get fresh filters delivered every 6 months. Pause, skip, or swap anytime in your customer portal. Get every 6th box for free.

Save on Every Filter

20% off every order

Flexible Deliveries

Adjust your box anytime

Cancel & Skip Anytime

Zero commitment & full control

Better Skin & Hair

Daily relaxation

Less Dryness. Less Breakage. Better-Feeling Showers.

Hard water strips your skin and hair daily. With PICKI NIKI Subscribe & Save, you fight dryness and breakage at the source - for lasting beauty and comfort, delivered on your schedule.

BUILD YOUR BOX & SAVE 20%

TECHNICAL DETAILS

Specifications

PICKI NIKI is a Vitamin C shower filter, designed in Germany, made in Korea, engineered for hot water, high flow and the actual conditions of a real shower. Two filters in one head: a melt-blown PP sediment pre-filter in the handle (sealed full-flow housing, 100% pass-through) catches rust and pipe debris, then the Vitamin C gel filter in the head neutralises chlorine on contact and reacts with calcium and magnesium so hard water is gentler on skin and hair. Independently tested at three Korean labs: P&K Skin Clinical Research Centre (clinical irritation, n=30, non-irritant), KEWI (chlorine + drinking-water) and KTR (pH performance). Universal fit on any standard shower hose, no plumber required. 1,000+ verified five-star reviews across the UK, Germany and the EU.

Cartridge life - Vitamin C Gel

every 2-4 weeks (visible end-of-life: gel consumption) depending on usage and water hardness

Cartridge life - Sediment Filter (in handle)

every 1-3 months (melt-blown PP pre-filter, sealed full-flow housing, replace as a 3-pack) depending on usage, water quality, and household water pipes

Fit

Universal - any standard shower hose, no plumber required

Filtration

Vitamin C gel reduces chlorine to non-detectable levels (KEWI lab test) on contact, and reacts with and dissolves calcium/magnesium minerals so hard water rinses off instead of building up. Plus melt-blown PP sediment pre-filter in sealed full-flow housing (rust, pipe debris, particulates; non-bypass by construction).

Chlorine neutralisation

Independently lab-tested - KEWI Korea (2020)

pH balancing

Independently lab-tested - KTR Korea (2023)

Sediment filtration

Tested for rust & pipe particles

Water quality

60-parameter drinking-water panel - KEWI Korea (2020)

Dermatological safety

Non-irritant - Skin Irritation Index 0.03, P&K Skin Clinical, n=30 (2023)

Material

PP polypropylene food-grade, ABS housing

Operating temperature

Up to 50 °C - effective at full shower temperature

Flow rate

6-8 L/min (low-flow restrictor to everyday setting) versus 12-15 L/min for standard shower heads. The 200 micro-hole spray plate keeps pressure strong.

Warranty

60-day money-back guarantee

Frequently Asked Questions

EVIDENCE & SOURCES

References

Sources for individual claims, marked with footnote numbers. Peer-reviewed papers are cited in support of underlying mechanisms, not as proof of product efficacy.

P&K Skin Clinical Research Centre. Primary Skin Irritation Test. Seoul, Korea. 2023.Independent open-label, single-arm... lab test

P&K Skin Clinical Research Centre. Primary Skin Irritation Test. Seoul, Korea. 2023.
Independent open-label, single-arm 24-hour patch test on Vitamin C filter material. n=30 (28F/2M, mean age 47.2 years). Skin Irritation Index 0.03 (range 0.00-0.25 = non-irritant). Zero adverse events. Frosch and Kligman + CTFA + Draize protocols, COLIPA Walker 1996 guideline. Sample size and design are appropriate for a tolerability/irritation screen, not a clinical efficacy trial.

lab test
Korea Environment and Water Works Institute (KEWI). Residual Chlorine Removal Test. Seoul, Korea. 2020.100... lab test

Korea Environment and Water Works Institute (KEWI). Residual Chlorine Removal Test. Seoul, Korea. 2020.
100 L synthetic water at 0.19 mg/L free residual chlorine, passed through Vitamin Filter. Outlet: not detected. Flow 2.52 L/min. T = 21-23 degrees C.
Note: real shower conditions are typically higher pressure and warmer than this laboratory test. The Vitamin C gel cartridge is engineered as a self-regulating system: higher pressure releases more Vitamin C from the gel matrix, and higher temperature accelerates the chlorine-neutralisation reaction. Under typical shower conditions these dynamics are expected to keep real-use performance broadly comparable to the laboratory result.

lab test
Korea Environment and Water Works Institute (KEWI). 60-Parameter Drinking Water Quality Test. Seoul, Korea.... lab test

Korea Environment and Water Works Institute (KEWI). 60-Parameter Drinking Water Quality Test. Seoul, Korea. 2020.
60-parameter Korean Drinking Water Standard test on filtered water. All parameters within safety thresholds. Heavy metals (Pb, As, Hg, Cd, Cr) not detected; residual chlorine not detected; total trihalomethanes 0.035 mg/L; pH 7.0; turbidity 0.06 NTU.

lab test
Korea Testing and Research Institute (KTR). pH-Neutralization Performance Test. Gyeonggi-do, Korea. 2023.Alkaline test water... lab test

Korea Testing and Research Institute (KTR). pH-Neutralization Performance Test. Gyeonggi-do, Korea. 2023.
Alkaline test water (NaOH-adjusted to pH 9.0 and pH 10.0) passed through Vitamin C + shower filter combination at 7.5 L/min. Results: pH 9.0 to 6.45; pH 10.0 to 7.38. Test period 2022-12-02 to 2022-12-20.

lab test
World Atopy Association (WAA). Atopy-friendly Product Certificate. 2025.Valid 2025-03-06 to 2027-03-05. Industry association certification,... certification

World Atopy Association (WAA). Atopy-friendly Product Certificate. 2025.
Valid 2025-03-06 to 2027-03-05. Industry association certification, not a clinical study.

certification
International Certification Registrar Ltd. (ICR). ISO 9001:2015 (quality), ISO 14001:2015 (environmental), ISO 37001 (anti-bribery),... certification

International Certification Registrar Ltd. (ICR). ISO 9001:2015 (quality), ISO 14001:2015 (environmental), ISO 37001 (anti-bribery), ISO 37301 (compliance), ISO 45001 (occupational health and safety). 2025-2028.
Manufacturing-partner management-system certifications. Initial issue 2025-09-16, valid through 2028-09-15. Scope: showerhead and water filter.

certification
Jabbar-Lopez ZK, Craven J, Logan K, et al. Longitudinal analysis of the effect of... peer reviewed

Jabbar-Lopez ZK, Craven J, Logan K, et al. Longitudinal analysis of the effect of water hardness on atopic eczema: evidence for gene-environment interaction. British Journal of Dermatology. 2020.

peer reviewed DOI: 10.1111/bjd.18597
Pullar JM, Carr AC, Vissers MCM. The Roles of Vitamin C in Skin Health.... peer reviewed

Pullar JM, Carr AC, Vissers MCM. The Roles of Vitamin C in Skin Health. Nutrients. 2017.

peer reviewed DOI: 10.3390/nu9080866
Luqman MW, Ramzan M, Khan MA, et al. Effects of hard water on hair.... peer reviewed

Luqman MW, Ramzan M, Khan MA, et al. Effects of hard water on hair. International Journal of Trichology. 2018.

peer reviewed PMC3927171
Kymera International. KDF-55/85 Process Media Technical Bulletin (POE Whole-House and Point-of-Use). 2023."More than 98%... industry

Kymera International. KDF-55/85 Process Media Technical Bulletin (POE Whole-House and Point-of-Use). 2023.
"More than 98% of chlorine is removed by KDF in home water treatment systems (90% in shower water filters due to high flow rate)." Manufacturer-published flow-rate distinction confirms drinking-water-system performance figures do not transfer 1:1 to shower-flow conditions. See also Wu et al., npj Clean Water 2021 (10.1038/s41545-021-00128-z) on activated-carbon EBCT requirements (25-40 s contact time required for chlorine reduction; shower contact <1 s).

industry

Lab tests at Korean facilities (KEWI, KTR, P&K) are not KOLAS / ISO 17025 accredited. Independent UK UKAS-accredited testing is in progress, with results expected mid-2026. Full certification numbers and test report IDs are available on request.

4.9

Rated 4.9 out of 5 stars

Based on 647 reviews

Total 5 star reviews: 597 Total 4 star reviews: 44 Total 3 star reviews: 6 Total 2 star reviews: 0 Total 1 star reviews: 0

99%would recommend this product

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647 reviews

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HL
Hsiao L. W.
Verified Buyer
I recommend this product
What did you experience? Great Scent, Hair Improvement, Skin Improvement
Which skin issues do you usually experience? Dry Skin, Acne
Which hair issues do you usually experience? Hair Loss, Dull Hair
Rated 5 out of 5 stars
43 seconds ago
Great shower improvement
I've been using the Picki Niki shower head for three months now, and I'm genuinely impressed with the difference it has made. Living in an area with hard water, my hair often felt dry and dull, and my skin would feel tight after every shower. Since switching, I've noticed that my hair is much softer and easier to manage, while my skin feels smoother and more hydrated.
The shower head was very easy to install and immediately improved the water pressure, which made my showers much more enjoyable. The subtle Vitamin C scent is a lovely bonus, it adds a fresh feeling.
Overall, it feels like a small upgrade that has had a surprisingly big impact on my daily routine. I would definitely recommend it to anyone dealing with hard water or looking to improve the quality of their shower experience.
Overall ExperienceRated 4.0 on a scale of 1 to 5
Effects on Skin & HairRated 4.0 on a scale of 1 to 5
Water Pressure IncreaseRated 4.0 on a scale of 1 to 5
Ease of InstallationRated 5.0 on a scale of 1 to 5
Was this helpful?
BH
Bonnie H.
Verified Buyer
I recommend this product
What did you experience? Great Scent, Spa-like Experience
Which skin issues do you usually experience? Itchiness, Acne, Eczema
Which hair issues do you usually experience? Thinning Hair, Dandruff
Rated 5 out of 5 stars
1 week ago
Really happy with this shower head so far
I’ve been using this shower head for a couple of months now. It was super easy to install, and the replacement process for the filters was very straightforward. I love the scent from the vitamin C filter every time I turn on the shower. And the water pressure is great as well.
Overall ExperienceRated 5.0 on a scale of 1 to 5
Effects on Skin & HairRated 5.0 on a scale of 1 to 5
Water Pressure IncreaseRated 5.0 on a scale of 1 to 5
Ease of InstallationRated 5.0 on a scale of 1 to 5
Was this helpful?
A
Aisha
Verified Buyer
I recommend this product
Rated 4 out of 5 stars
2 weeks ago
Water filter rating
Very high quality product
Translated from Arabic
Overall ExperienceRated 5.0 on a scale of 1 to 5
Effects on Skin & HairRated 4.0 on a scale of 1 to 5
Water Pressure IncreaseRated 5.0 on a scale of 1 to 5
Ease of InstallationRated 5.0 on a scale of 1 to 5
Was this helpful?
ES
Elaine S.
Verified Buyer
I recommend this product
What did you experience? Hair Improvement
Which skin issues do you usually experience? Itchiness
Which hair issues do you usually experience? Dull Hair
Rated 4 out of 5 stars
1 month ago
So easy to use
Having given up on a UK competitor whose quality control with regard to filtered showerheads seemed to be non-existent, the PickiNiki is a breath of fresh air. The quality of the showerhead is better and feels more substantial. Removing and replacing filters is so easy and quick, no scrambling around with a useless tool as I was doing before.
Overall ExperienceRated 4.0 on a scale of 1 to 5
Effects on Skin & HairRated 4.0 on a scale of 1 to 5
Water Pressure IncreaseRated 4.0 on a scale of 1 to 5
Ease of InstallationRated 5.0 on a scale of 1 to 5
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BA
Benjamin A.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
1 month ago
Great shower head
Looks good , water pressure seems better too.
Overall ExperienceRated 4.0 on a scale of 1 to 5
Effects on Skin & HairRated 4.0 on a scale of 1 to 5
Water Pressure IncreaseRated 5.0 on a scale of 1 to 5
Ease of InstallationRated 5.0 on a scale of 1 to 5
Was this helpful?