Alpha Tanin, the only hair treatment capable of offering a 100% natural straightening Patented and 100% natural, without formalin or any derivatives, suitable for Pregnant women and children. For all hair types, frizzy, colored, highlights, henna.... Enriched with Silk Protein for added shine, Vegetable Tannin for hair protection, Keratin Natural and in HPrecious Oils. It does not give off any odor or smoke, does not sting the eyes. Visible from the first use for results of up to 6 months.