Transform your hair with Difeel Biotin Growth and Curl Premium Hair Oil. Our 99% natural, luxury blend of natural oils helps promote natural, healthy hair growth with the help of Biotin--the vitamin B family that plays a critical role in hair health. Wavemax, a plant-based active ingredient, provides long-lasting, defined curls, while strengthening hair and enhancing waves and curls. Proudly USA-made, this exclusive and effective solution is easily applied with the simple-to-use Difeel dispenser.