Details Cold wave formula Less thio odor Soft Sheen Chemical Rearranger straightens and relaxes hair for new curls and waves. Formulated for less odor. For Professional Use Only. Same strength less Thio Odor! Directions Follow directions carefully to avoid skin and scalp irritation, burns. Pro Tips Soft Sheen Chemical Rearranger is designed for use by professionally trained stylists. Ingredients Water/Aqua, Ammonium Thioglycolate, Cetearyl Alcohol, Paraffinum Liquidum/Mineral Oil, Ammonium Hydroxide, Glycerin, Ceteth-20, Glyceryl Stearate, Cetyl Alcohol, Fragrance/Parfum, Polysorbate-60, Trisodium HEDTA, Sodium Lauryl Sulfate, Linalool, PEG-35 Castor Oil, Limonene, Citronellol, Geraniol, Guaiazulene