Stress, Diet, Pregnancy, medication...Life? This botanical, drug-free formula helps slow down temporary hair thinning and supports the scalp's natural microcirculation to create an optimal environment for new hair growth. PHYTOCYANE Revitalizing Treatment Serum is enriched with sulphured amino acids, vitamins and proteins to promote healthy hair growth at the roots! 94% of users noticed visibly fuller hair. *Applied in single doses, this revitalizing serum supports keratin production for fuller, thicker and more lustrous hair. Helps jump start healthy new growth Encourages keratin production for thicker, stronger hair Restructures the hair fiber to improve its luster Delays the appearance of gray hair