Revitalise and repair damaged locks with Matrix Instacure Build-A-Bond Billion Bond Oil, the ultimate bond-strengthening hair treatment designed to visibly reverse signs of wear and tear. Infused with one percent citric acid and strengthening amino acids, this lightweight gel serum works deep within the fibre to reinforce the inner hair matrix, dramatically reduce split ends, and impart a dazzling, glossy lustre. For optimal results, smooth the formula through damp hair to create a protective shield before styling, then apply a final touch to dry hair to lock in radiant luminosity