It repairs and strengthens dry and damaged hair with the Keratin and Biotin complex it contains. It nourishes the hair without weighing it down. It is disposable. Usage: After shampoo, apply to wet hair by massaging from ends to roots, leave for 5-10 minutes. Rinse thoroughly. Wrap your hair with a towel so that the mask penetrates your hair better and gives a more effective result. Keratin Biotin Hair Mask 10 PCS