YOU Be-Natural Botanical Curl Stretch Defining Treatment is a versatile system designed to stretch and soften natural curls naturally and easily, without the need for chemicals. The secret lies in natural amino acids that are extracted from plants and penetrate the hair to naturally rebuild, strengthen and nourish hair bonds from the inside out. The end result is hair that is healthier, stronger, smoother and easier to manage and style. YOU Be-Natural Botanical Curl Stretching and Defining Treatment is effective on all curly hair types and textures.