It's a 10 Miracle Leave-In Plus Keratin is an excellent nourishing treatment that can be used alone and/or as a restorative styling product to maintain keratin straightening treatments. 101ml. Made in USA. It works on all hair types to bring out natural luster and manageability while also making hair stronger and healthier by replacing lost protein with every use. It can be used on wet hair for extra shine or dry hair in place of a styling cream. Protects the natural keratin in hair, protects against heat, restores hydration balance, detangles, defrizzes and adds shine. Strengthens hair structure and seals cuticles for extra silky hair.