TGIN Low Porosity Hair Duo is humidity resistant, meaning it has difficulty absorbing water well. Tip! Hair Porosity Test: Take a clean section of hair and place it in a glass of water. Leave on for 3 minutes and wait.To confirm low porosity: HAIR FLOATS!What to do:Use an intensive hair treatment after each shampoo.This lot contains:TGIN Moisture Rich Sulfate Free Shampoo with Amla Oil + Coconut Oil 384ml: This formula unique is enriched with Aloe Vera, which gently cleanses hair without stripping it of natural oils, and Provitamin B5, which reduces hair breakage and increases hydration. The result is healthy hair that stays soft, smooth and hydrated. TGIN Triple Hydration Replenishing Conditioner with Shea Butter + Argan Oil, 384 ml: is the perfect choice for even the driest, most damaged hair. This special formula is enriched with Shea Butter and Sweet Almond Oil to hydrate, smooth and repair hair with every use. The result is healthy hair that stays soft, hydrated and easy to maintain.