Beauty tree Biotin & Amino Acids Strengthening Hair Mask is enriched with Biotin, Cysteine, Arginine, Caffine, D Panthenol, Argan Oil for anti-Breakage strengthening of Weak, Damaged Over processed & Color treated Hair. Our unique Biotin -amino acid complex to revitalize and restructure even the most fragile, chemically treated hair. Biotin & Caffine provides shiny hair, decreases hair loss & increases thickness of weak strands. It is perfectly blended to help to reduce breakage and split ends and promote longer, stronger & healthier looking hair. Highly Effective for all hair types including Color treated, Chemical treated, and natural Hair.