Granions PROKERACYS CHEVEUX POUDRE, a 4-EN-1 formula enriched with marine collagen, for stronger, denser, thicker hair. With clinically proven results, this powder promotes hair growth, while activating scalp microcirculation, contributing to normal hair pigmentation. Thanks to its dye-, preservative-, gluten- and lactose-free composition, this formula is safe and effective in supporting the health and beauty of your hair.