Discover hair's ultimate strength. Oribe's Hair Alchemy Fortifying Treatment elixir strengthens and transforms weak, fragile, and breakage-prone hair into strong, nourished locks. This fast-absorbing, sheer serum features chia seed, bamboo, plant-based protein & a hyaluronic acid complex, that strengthen from within while forming a protective veil around each hair fiber to prevent breakage, encourage length & protect strands up to 450 degrees.Hair is 2.9x more elastic*Hair is 133% stronger**Based on a clinical test of Hair Alchemy Shampoo, Conditioner and Fortifying Treatment when used as a system vs. non-conditioning shampoo after 5 uses After just one use 81% felt their hair was more fortified** After just one week 87% felt their hair was more resilient** After just one week 82% felt their hair was stronger from root to tip and more resistant to breakage****Based on a consumer panel survey of 106 women.