Product Description Pure Light Power Lightener is a blue based powder lightener proven to lift up to 7 levels while maintaining the natural shine of the hair. Features: Up to 7 levels of lift. Maintains the natural shine of the hair. How To Use In a non-metallic bowl, mix 1 part PURE LIGHT Power Lightener with 3 parts PRAVANA Creme Developer, Zero Lift-40 Volume (1:3). For on-scalp application, use up to 20 volume; for off-scalp, use up to 40 volume. Apply to dry hair. Process for up to 55 minutes. Rinse thoroughly after processing then shampoo and condition with desired care products. Technology Blue Based Lightener for up to 7 levels of lift Ingredients: Potassium Persulfate, Ammonium Persulfate, Sodium Metasilicate, Sodium Stearate, Mineral Oil / Paraffinum Liquidum / Huile Minerale, Magnesium Carbonate (Ca 77713), Cyamopsis Tetragonoloba (Guar) Gum, Tetrasodium Edta, Sodium Lauryl Sulfate, Ultramarines (Ci 77007), Silica, Water / Aqua / Eau, Fragrance (Parfum), Limonene.