Matrix Instacure Build-A-Bond Billion Bond Oil fights damage with 1 Billion Bonds in every drop. This Oil consists of high performance ingredients such as Citric Acid to strengthen inner hair bonds & amino acid to reinforce inner hair matrix. Professional-grade leave-in oil tested and approved by hairdressers. Smooth and sensorial liquid vegan formula, that adds clean shine to hair with grease-free application. Designed to use with all hot tools from blow dryers, straighteners, curling irons, to diffusers with up to 120°C-450°F heat protection. Hair is instantly stronger, and split ends eliminated! Fight Damage with 1 Billion Bonds to instantly restore the healthy feel of a fresh haircut.v