Biosilk Silk Therapy Shampoo is your go to hair care product for healthy, shiny and silky hair. Can be used by those who have color treated hair and keratin treated hair types. Boosts your hairs silkiness and manageability. Active ingredent for this product is BENZALKONIUM CHLORIDE. This product can be used by those who have All Hair Types, Oily hair, Wavy hair, Frizzy hair, Dry hair, Curly hair, Fine hair, Mixed Texture hair, Thick, Straight hair. Start using shampoo on wet hair and creating a rich lather. Rinse well. Follow up with conditioner on damp hair. leave the conditioner on roots to ends for 3 minutes and rinse. When caring for your hair always remember to decrease the temperature of your water when washing. Wash hair less often, as over washing will fade color, dry hair, and cause breakage. Always gentle cleansing shampoos heat protecting products for styling, and brush hair prior to washing and prior to going to bed. Make sure to use hair treatments masks at least once a week for moisture, color protection, scalp health and shine enhancement depending on your hair type. Try to avoid products with harsh sulfates (SLS or SLES), harsh parabens, sodium chloride, and petrochemicals.