Biotin & Collagen hair treatment not only does biotin fortify weak hairit also revives hair thats thinning and lackluter! Biotin gives you the full, shiny hair of your dreams because it decreases hair loss and increases thickness.Luseta Biotin & Collagen Hair Mask is infused with Argan oil, Hydrates, Moisturizes & Repairs, Restores and Strengthens Weak, Damaged, and Over Processed Hair. Improves Manageability, Promotes Natural Hair Growth & Shine.Rich in Essential Vitamins & Nutrients. Highly Effective for Permed, Natural & Curly Hair – Improves Hair Condition & Manageability.After cleansing with Biotin & Collagen shampoo, apply generously to damp hair and leave on for up to 5 minutes. Rinse thoroughly. For best results, use weekly.Color-treated hair needs all the moisture it can get. With Luseta color safe hair mask, moisturizing has never been so easy! It contains sweet almond oil, which seals in moisture thats vital to the healing process for your hair.