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G Ital Dermatol Venereol. 2018 Mar 6. doi: 10.23736/S0392-0488.18.05499-8. [Epub ahead of print]

Efficacy of a cosmetic phyto-caffeine shampoo in female androgenetic alopecia.

Author information

1
Research Center for Biotechnology Applied to Cosmetology, Catholic University of Rome, Rome, Italy.
2
Eurofins Biopharma Product Testing, Rome, Italy.
3
Research Center for Biotechnology Applied to Cosmetology, Catholic University of Rome, Rome, Italy - lcelleno@libero.it.

Abstract

BACKGROUND:

Androgenetic alopecia (AGA) is the most common type of hair loss in both males as well as females, occurring in up to 57% of women by the age of 80 years. Androgenetic alopecia is associated with a high psychological burden and often results in substantially reduced quality of life, poor body image and low self-esteem, particularly in women. Caffeine-based products have shown promise, both in vitro and in vivo, as potential treatments for AGA. This study was performed to determine the efficacy of a phyto-caffeine- containing shampoo used over a 6-month period in female subjects with AGA.

METHODS:

This was a single-centre, double-blind parallel trial in which female subjects with AGA were randomized to either a phyto-caffeine-containing shampoo or a control shampoo. The primary endpoint was the change from baseline in the number of hairs pulled in a hair pull test at 6 months. Hair loss intensity, hair strength, subject satisfaction and tolerability were also assessed.

RESULTS:

Subjects using the phyto-caffeine-containing shampoo had significantly fewer hairs pulled in a hair pull test at 6 months, compared with subjects using the control shampoo (-3.1 vs -0.5 hairs; p<0.001). The majority of pre-specified secondary endpoints were also significantly improved for subjects using the phyto-caffeine- containing shampoo, compared with controls. Both products were very well tolerated.

CONCLUSIONS:

Compared with a control shampoo, a phyto-caffeine-containing shampoo was more efficacious, with respect to the number of hairs being pulled out at 6 months, hair loss intensity and hair strength in subjects with AGA.

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