Redken Extreme Lenght Shampoo 300 ml Strengthening Shampoo with Biotin. Gently cleanses and strengthens hair. Strengthens hair from root to tip. Promotes the growth of stronger, healthier looking hair. Benefits: gently cleanses the hair. Application: Apply to wet hair. Mage until a foam forms. Rinse gently. For best results, apply Extreme Length Conditioner and Extreme Length. Ingredients: aqua/water, sodium laureth sulphate, sodium chloride, cocamidopropyl betaine, citric acid, sodium hydroxide, perfume/fragrance, propylene glycol, polyquaternium-10, sodium benzoate, hexylene glycol, salicylic acid, benzyl benzoate, limonene, benzyl benzyl Alco, 2-oleamido-1,3-octadecanediol, biotin