REDENSYL® · INGREDIENT RESEARCH
The Redensyl® study. Clearly explained.
What was tested, what was observed and what does it mean for your care decision? Explore the key facts and their context.
hairs per cm² after 84 days*
Average change in hair density in the active-ingredient group compared with baseline, according to the manufacturer.
How the study was conducted.
- Participants
- 26 men: 14 using the active-ingredient lotion, 12 using placebo.
- Test formulation
- A lotion containing 3% Redensyl®, applied daily without rinsing.
- Duration
- 84 days; standardised photographs used to evaluate hair density.
- Comparison
- A randomised, double-blind study with a placebo group.
What the results tell us — and what remains uncertain.
The data come from a manufacturer’s study with a small sample. A specific test lotion was studied in men. This is not evidence of effectiveness for finished KÖ-HAIR products; individual results may vary.
Source: Givaudan Active Beauty, Scientific File Redensyl®, Version 04, June 2018, pages 16–21.
Open the original source (PDF) ↗KÖ-HAIR · CIRCULATION
From information to the right care.
Compare the shampoo, tonic and serum spray. Each product page provides formulation details, directions and customer experiences.
Compare Redensyl care
Your study questions answered.
Was KÖ-HAIR Serum Spray tested?
No. The study tested the lotion described in the Scientific File, not the finished KÖ-HAIR Serum Spray.
Where can I find directions for my product?
On the product page under Directions. Also follow the instructions on the packaging.
Can I read the original source?
Yes. The complete Scientific File is available as a PDF through the source link. This webpage provides a concise overview.