WHAT'S INCLUDED 1 * 3.4 oz Biotin & Collagen Strengthening Oil Treatment KEY FEATURE WHAT'S UNIQUE Sulfate, phosphate, & paraben free. Strengthens and fortifies hair shaft Helps to thicken and texturize Adds volume and dimension for a fuller look Shampoo pH 5.5 - 6.6 Conditioner pH 4.5 - 5.5 KEY INGREDIENTS Biotin: Also known as Vitamin B7, is a water-soluble vitamin that acts as a coenzyme in the body, which contributes to the production of healthy hair. Collagen: The most abundant protein in the human body that helps renew cells, improves the health of skin and hair and ensures the elasticity and regeneration of hair. PH BALANCE pH levels between 5 - 7 are ideal for shampoos and conditioners. The amount of hydrogen in the solution is what determines whether it is acidic or alkaline. Solutions with higher pH levels are harsher on hair and cause the cuticles to open, exposing the interior of hair shafts. Slightly acidic solutions work to close and protect the cuticles and in turn, help to retain moisture in the shaft. NO BAD STUFF Sulfates have the potential to be an irritant on your hair, skin, and even eyes. Of course, the severity of the reaction varies from person to person. Sulfates may cause stripping of essential oils in your hair, resulting in hair feeling and looking dried out. Continuous use of shampoos containing sulfates may cause long-term damages to hair, including the health and appearance of it. Read more. INGREDIENTS CYCLOPENTASILOXANE, DIMETHICONE, DIMETHICONOL, HYDROXYPROPYLTRIMONIUM HYDROLYZED COLLAGEN, BIOTIN, ARGANIA SPINOSA KERNEL OIL, C12-15 ALKYL BENZOATE, PARFUM, ETHYLHEXYL SALICYLATE, HELIANTHUS ANNUUS (SUNFLOWER) SEED OIL, MACADAMIA TERNIFOLIA SEED OIL, TOCOPHERYL ACETATE HOW TO USE Apply a small amount to clean, damp hair and style as usual, or smooth on dry hair to tame and add shine.