THIS IS A PROFESSIONAL USE PRODUCTRUSK Elimin8 Color Corrector gently removes unwanted permanent colour with a non-progressive, precise control formula that contains no ammonia, peroxide, bleach or formaldehyde.Key Benefits: Gently removes any level of permanent, oxidative hair colour, no matter how long it has been in the hair Reverses the bonds of oxidative dye molecules, allowing for safe and effective colour removal, bringing the hair back to its pre-coloured state Promotes unsurpassed shine and condition Usage Tips: Combine equal parts of Step 1 (colour reducer) and Step 2 (conditioning catalyst). Apply, using applicator bottle or bowl and brush The thick, creamy consistency ensures quick, easy, and precise application. Process up to 20 minutes, with or without heat