Wheat Protein Penetrates the hair to repair damage as it thickens and adds volume. Biotin Vitamin B7 helps increase elasticity and strength, providing thickness and fullness. Argan Oil An oil rich in essential fatty acids and Vitamin E to hydrate, soften and restore shine to dull hair. Shea Butter With Vitamins A, E and essential fatty acids, it moisturizes and nourishes. Panthenol Provitamin B5, this humectant improves hair’s elasticity, moisture retention and flexibility.