Benefits: Formulated with Hydrolyzed Keratin, Biotin & Fatty Acids, Hydrolyzed Keratin, and Large Protein Molecules. It slows hair loss, and restores hair vitality & density. Directions for Use ​Apply Bioglyss Collagen Repair Masque to shampooed and towel-dried hair. Distribute evenly and massage thoroughly into hair and scalp for 20 minutes. Comb and leave for 10 minutes using a steamer or warm towel. Rinse thoroughly with water to complete the treatment.