- Alopecia
General term for progressive hair loss and hair thinning. The Kérastase SPECIFIQUE range offers a comprehensive programme to combat hair thinning.
- Anti-frizz
Dry and unruly hair can become frizzy and difficult to manage. OLÉO-RELAX within the Kérastase Nutritive range provides a long-lasting anti-frizz effect, leaving hair feeling silky and smooth.
- Aminexil
The Aminexil® molecule is the result of over 10 years of research in L'Oréal Advanced Research Laboratories. A revolutionary, patented molecule, Aminexil® has proven effective in helping to reduce the rate of hair loss and improve hair density. AMINEXIL GL, within the Kerastase Specifique range, is an intensive 6 week programme. After 6 weeks, hair density is noticeably improved.
- Anagen (phase)
The phase of active growth in the hair follicle. Lasts from 2 to 7 years.