What it is: Phytocyane revitalizing treatment addresses female temporary hair loss from pregnancy, stress, diet or menopause.Who it's for: Specially formulated for thinning hair.What it does: The advanced formula supports scalp microcirculation to create an optimal environment for healthy hair growth. It powerfully combines sulphured amino acids, B vitamins and silk proteins to encourage keratin production at the follicle level and improve thickness of the hair. Use it to create thickness on every strand, maximize fullness and enhance shine. An added bonus: used year-round, this serum helps to keep grey at bay. In a study conducted by an independent laboratory on 31 women having experienced thinning hair, 94% saw visibly fuller hair. How to use:- Intensive treatment: Apply 3 times a week for 1 month, then 1 time a week for 2 months- Maintenance: Apply 1 time a week. Can be used year-round. Apply to dry or towel-dried hair. Break vial, attach applicator tip. Carefully apply one full application at the root of the hair, section by section. Massage to stimulate the scalp and to encourage diffusion. Do not rinse out. Style hair as usual 12 ampoules, 0.25 oz. each Paraben-free; sulfate-free; phthalate-free; silicone-free; petrochemical-free; mineral oil-free; talc-free; gluten-free Made in France