K18 Molecular Repair Hair Oil is a biotech-engineered weightless oil that strengthens hair while it smooths. K18 oil works by addressing deeper level damage that causes frizz,patented peptide repairs and strengthens damage sites at the innermost layer of the hair fiber. Additionally, the hair oil is packed full of natural nourishingoilsAvocado + Sunfloweroil, Hemisqualane and Squalane. These oils work on the surface of the hair to smooth the cuticle, soften, add shine, reinforce hairs natural moisture barrier, and enhance the peptides frizz-reducing capabilities. Benefits: Long-term frizz prevention Reverses the damage that leads to frizz Smoothes frizz and flyaways Improves colourvibrancy and shine Softenshair Adds shine Strengthenshairs natural moisture barrier 24-HR frizz control* 78% reduction in split ends** 104% improvement in shine*** 450F *(232C) heat protection**** Clinically proven to repair damaged hair* Results observed on curly, frizzy hair after 24 hours in 80% relative humidity, with one application of molecular repair hair oil on dry or damp hair** Results observed on bleached/damaged hair after one application of molecular repair hair oil on dry hair*** Results observed after one application of molecular repair hair oil on dry hair**** Results observed after one application of molecular repair hair oil and application of 450 degree flat iron on dry hair