A leave-in formula clinically shown to quickly repair damage and protect hair from future harm with a hair-identical protein. Hair Type: Straight, Wavy, Curly, and Coily Hair Texture: Fine, Medium, and Thick Hair Concerns:- Damage, Split Ends, and Breakage- Dryness- UV Protection Key Benefits: - Reverses damage from cuticle to core- Restores hair elasticity and fiber flexibility- Strengthens by refilling lost keratin Highlighted Ingredients:- Alpha Keratin 60ku®: A patented, 100 percent hair-ide