The BIO TANIX EXTREME line's new FORCE-PLASTIA formula reduces volume, gets rid of frizz, and soothes even the most resistant hair in just one application—all without bleaching lighter hair or fading previously colored hair. The new formula contains the necessary ingredients for a full recovery of nutrition and yarn straightening in total safety. Bid farewell to harsh chemicals and preservatives. With BIO TANIX EXTREME, the hair stays healthy and free of aggressions while gaining a more natural air and intense brightness. A Comprehensive Guide to BioTanix Professional Extreme Treatment Services Take advantage of the BioTanix Extreme line's services to boost your salon's revenue. Step 1: Wet the hair, then use the Extreme Shampoo and massage it evenly. Keep in mind that the scalp should