After moving to Berlin, Niki noticed how different the shower water felt. Berlin has more dissolved minerals than Seoul. So she built her shower routine around filtered water. She developed the PICKI NIKI filter shower head with Korean lab partners. Many customers report softer-feeling hair after switching to filtered water. Individual experiences vary.
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“Why is no one talking about what’s in our shower water?”
- Hard water minerals coat your hair every shower - the cuticle feels rougher, hair looks duller
- Chlorine can leave hair feeling drier and the scalp less comfortable
- Lab-tested dual-filter system – 60-day money-back guarantee
Calcium, chlorine, and rust in your water affect how your hair feels and looks every shower. PICKI NIKI changes the water reaching your skin and hair.
AS SEEN IN
Niki Lee, Founder
What Customers Notice After Switching To Filtered Shower Water
Photos shared by our community. Individual experiences vary.
Softer-feeling, easier-styling hair
Many customers report softer-feeling hair and easier styling after switching. Individual experiences vary.
Smoother, easier-styling hair
Many customers report smoother, easier-to-style hair after switching. Individual experiences vary.
Real customers. Real water. Real change.
They tested it on their own water.
4 Hidden Reasons Your Hair Won’t Cooperate
PROBLEM 1: Rust & Sediment
Old pipes carry tiny rust particles and sediment that settle on your hair and scalp¹. The result: dull, heavy-feeling hair. These particles can also leave residue and skin that feels reactive.
PROBLEM 2: Hard Water Minerals
Calcium and magnesium can build up on your hair with every shower. This residue can make hair feel heavy and dry and harder to style, and can make it tougher for your products to work as well as they should.
PROBLEM 3: Chlorine & Your Hair
Chlorine is an oxidiser that can react with hair proteins like keratin². It can strip natural oils and leave hair feeling porous and brittle, and may fade colour-treated hair. With daily exposure, chlorine can contribute to split ends, breakage, and a stressed-feeling scalp.
PROBLEM 4: Weak Water Pressure
Low water pressure means shampoo and conditioner aren’t rinsed out properly. Residue builds up, weighing hair down and preventing products from working. The result: hair that never feels truly clean, no matter how long you shower.
Calmer-Feeling Scalp, Cleaner-Feeling Skin
Itchy, flaky or sensitive-feeling scalp? Chlorine and hard water are two daily variables that dermatology research has flagged as potential stress factors for sensitive skin⁴.
PICKI NIKI filters the shower water – reducing free chlorine and the mineral-residue feel before contact with hair and skin. Filtered shower water does not replace medical advice or guarantee any skin outcome.
Why PICKI NIKI is the Clear Choice
See the difference compared to a standard shower head
Without Filter
Standard Shower Head
- ❌ Hard-water minerals untouched – skin can stay dry and irritated
- ❌ Does not reduce chlorine, rust or sediment
- ❌ No skincare or hair benefits
- ❌ No aroma – plain sometimes smelly tap water
- ❌ Single-use plastic, no recyclable parts
- ❌ Weak, unfiltered stream
With PICKI NIKI
PICKI NIKI Filtered Shower Head
- ✅ Vitamin C may reduce the mineral-residue feel – gentle on skin & hair
- ✅ Reduces chlorine to non-detectable levels⁷, plus rust & impurities
- ✅ Softer-feeling skin and easier-styling hair after switching
- ✅ Aromatherapy included – relaxing & refreshing
- ✅ Modular design, replaceable filters, less waste
- ✅ 200 micro-holes for powerful, filtered water pressure
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.
Safe for the Whole Family – Including Little Ones
We filter our drinking water. Why not our shower water?
Children and babies have more sensitive skin that can be more reactive to chlorine and hard-water minerals. The PICKI NIKI filter uses only skin-friendly ingredients – dermatologically tested non-irritant (P&K Skin Clinical Research Centre, n=30)⁵.
One shower head filters the water for everyone in your household. Many families choose PICKI NIKI for softer-feeling shower water. Individual experiences vary.
More benefits you’ll love:
Spa-Like Shower Experience
The vitamin C filter adds a subtle, refreshing scent – turning every shower into a mini spa moment.
Installs in 2 Minutes
No plumber, no tools. Simply screw it on and enjoy filtered water immediately.
Take It Wherever You Go
Comes with a travel pouch so your hair stays protected – even on holiday.
Dual-Filter Protection
Sediment filter + vitamin C gel work together to neutralise chlorine, capture particles, and help reduce hard-water mineral residue.
Vitamin C Power
A concentrated Vitamin C gel cartridge that neutralises free chlorine (KEWI 2020 lab) for a gentler shower.
Powerful Yet Gentle
200 precision micro-holes create a silky stream that rinses thoroughly without harsh pressure.
Just 27p a day for healthier, more beautiful hair
You’ve spent hundreds on shampoos, treatments, and salon visits. None of them fixed the root cause.
PICKI NIKI costs less than your morning coffee – and it tackles the one thing no product can: your water quality. The starter set includes everything you need. Replacement filters start at £15/month.
Not convinced? Try it risk-free for 60 days. Full refund if you’re not happy.
Ready to Reduce Two Daily Variables?
Join the Picki Niki community. Independent Korean lab tests (KEWI, KTR, P&K) plus atopy-friendly certification⁶. 60-day return policy.
Frequently Asked Questions
EVIDENCE & SOURCES
References
Studies on hair-water interactions and product safety testing.
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Jun M, Kwack M, Kim M. Particulate Matters Induce Apoptosis in Human Hair Follicular... peer reviewed
Jun M, Kwack M, Kim M. Particulate Matters Induce Apoptosis in Human Hair Follicular Keratinocytes. Annals of Dermatology. 2020.
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Samra T, Lin RR, Maderal A. The Effects of Environmental Pollutants and Exposures on... peer reviewed
Samra T, Lin RR, Maderal A. The Effects of Environmental Pollutants and Exposures on Hair Follicle Pathophysiology. Skin Appendage Disorders. 2024.
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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. Int J Trichology. 2018.
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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.
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P&K Skin Clinical Research Centre. Primary Skin Irritation Test. Seoul, Korea. 2023.Independent 24-hour patch... lab test
P&K Skin Clinical Research Centre. Primary Skin Irritation Test. Seoul, Korea. 2023.
Independent 24-hour patch test on Vitamin C filter material. n=30 (28F/2M, mean age 47.2y). Skin Irritation Index 0.03 (range 0.00-0.25 = non-irritant). Zero adverse events.
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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.
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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.
Full certification numbers and test report IDs are available on request.