- Reduction of number of wrinkles**: up to -92%
- Firmness*: up to +63%
*4-week clinical study on 20 women (avg. age 49.6 years). The Phyto Stem Cell Serum was applied twice a day after cleansing the skin. The efficacy and tolerance of the product were tested on D0, D14 and D28. Performed by Lab. Dermo-Cosmetik (G.M. COLLIN) on-site. **Profilometry.