This thickening effect shampoo by kerastase resistance is a creamy shampoo designed to give your hair volume and body lifting from the roots whilst locking in a salon perfect shine this shampoo even works on long hair to give a texturised long lasting shape perfect for fine hair the cationic polymer technology works to target vulnerable zones in the hair and add thickness lightness and a glossy finish the innovative formula boasts internal action to give your locks long lasting shape memo