Matrix Biolage Ultra HydraSource Deep Treatment for very dry, thick, or curly hair is formulated with the highest levels of natural emollients and glycerin for healthier hair with every use. Hair is softer, more manageable and looks healthier. Infused with Cupuaçu butter, it nourishes very dry hair and provides 72 hours of moisture. Mineral oil and paraben free. Vegan. Features -Infuses hair with nourishment -Provides 72 hours of moisture and shape retention -Makes hair softer, more manageable, and healthier looking Key ingredients -Cupuaçu butter -Glycerin Hair Types All types of very dry hair, especially thick or curly How to use: Apply to wet hair and leave on for 3 to 5 minutes. Rinse thoroughly. We recommend using Biolage Ultra HydraSource Deep Treatment after cleansing your hair with Biolage Ultra HydraSource Shampoo for additional moisture. Use once a week in place of Biolage Ultra HydraSource Conditioning Balm. Recommended for dry hair.