Tininoplastia Hair Straightening Treatment is an organic alternative to traditional treatments that use harsh chemicals like formaldehyde. Tannin, a substance extracted from plants, is applied to your hair then blow dried, straightened and sealed using a special heat-activated mask. Not only does it straighten your hair, but it also conditions it, leaving it smoother and shinier than before. Suitable for a wide range of hair types, including curly, frizzy and damaged hair.