Smooth and sleek are all simpler than ever thanks to the essential Leave-In and effortless spritz-on application of It's a 10 Miracle Leave-In Plus Keratin. This lightweight, deliciously-smelling conditioner penetrates deep into the hair shaft to help rebuild dry, brittle and damaged hair from the inside out. Hair's most important nutrient, keratin, is a powerhouse of revitalization and can be used straight out of the shower as a detangler or as a heat-protectant spray. No matter your hair type, this versatile leave in shields against heat, environmental damage, restores and locks in moisture while replenishing lost protein. Soft, shiny, frizz-free tresses are guarded against humidity, while sealing the cuticle for mirror-smooth straight styles, all while improving your hair health with every application.