Bleaching Kit BLEACH POWDER INGREDIENTS: Potassium Persulfate, Sodium Metasilicate,Ammonium Persulfate, Sodium Stearate, CyamopsisTetragonoloba Gum, Paraffinum Liquidum, Solanum TuberosumStarch, Silica, Sodium Persulfate, EDTA, CI 77007.PEROXIDE INGREDIENTS: Aqua (Water/Eau), Hydrogen Peroxide, CetearylAlcohol, Ceteareth-30, Oleamide DEA, Glycerin, SodiumSalicylate, Acetic Acid, Sodium Stannate, DisodiumPyrophosphate, Phosphoric Acid.25g / 0.88oz 100m / 3.38fl oz This product is to be used on healthy, undamaged hair. We recommend not to use on hair that has:Been bleached, high-lift tinted or colour restored.Been recently dyed with temporary, semi-permanent or permanent hair dye.Been chemically straightened, keratin straightened, relaxed or permed.Bleach may damage your hair and make it feel dry.How to prepare:You follow the instructions included, carrying out a strand test on your hair before using bleach to check your hair's condition and how it will look and feel after the bleach process.Do not bleach your hair if the strand test feels damaged or you don’t like how it feels.Your hairs final shade will be impacted by many factors including but not limited to: current colour, condition, porosity, length and thickness.If in doubt we recommend consulting a professional.