Ammonia-Free Powder Lightener - up to 7 levels of lift. System Blonde Powder Lightener is a high performance, ammonia-free powder lightener, perfect for both on or o-scalp lightening techniques. The gentle, yet powerful formula is much kinder to the hair, producing less swelling, porosity and damage, whilst achieving up to 7 levels of lift. System Blonde Powder Lightener does not contain any odorous ingredients, allowing the use of delicate Apple and Fresh Mint fragrances. The dust-free formulation mixes to a creamy consistency for easy application and does not dry or flake during the lightening process.