The science behind The Kefir Mask.
A 12-week clinical study measured moisture, elasticity, oil and texture. Kefir side outperformed placebo.
Double-blind, 12 weeks, opposite sides of the face.
Conducted with Dr. Shigeo Suzuki at Otemachi Clinical. 20 women applied kefir whey to one side of the face and placebo to the other, daily for 12 weeks. Moisture, elasticity, oil and texture were measured with clinical instruments before and after.
- 20 women, ages 25-52
- 12 weeks daily application
- Instrument-measured, not self-reported
- Cosmetic benefits only — not a medical claim
Dr. Shigeo Suzuki
Otemachi Clinical, Tokyo. Independent third-party research center specializing in dermatological instrumentation.
Kefir side outperformed placebo.
Kefir side scored higher after 12 weeks.
Statistically significant (p < 0.05).
Balanced oil level with kefir.
Improved texture with kefir.
Clinical study with Dr. Shigeo Suzuki, Otemachi Clinical. Cosmetic benefits only — not a medical claim.
Everything you might ask.
Was this a peer-reviewed study?
It was an independent clinical study conducted with Dr. Shigeo Suzuki at Otemachi Clinical, Tokyo. Instrument-measured, not self-reported.
Is this a medical claim?
No. Cosmetic benefits only. The Kefir Mask is a cosmetic product, not a medicine.
Where can I read more?
See our Why Kefir and Why Bio-Cellulose pages for the ingredient science, or contact us for the full method.