Matrix SoColor Sync Pre-Bonded Acidic Toner NGA (Neutral Gold Ash) shades for a radiant, super trendy “bronde”. Bronde is a blend of brown and blonde, usually achieved through highlights or balayage techniques. It is all about adding dimension and avoiding harsh lines to create a super natural look. Matrix SoColor Sync Pre-Bonded Acidic Toner has an acidic formula and comes in 3 different shades for multi-dimensional effects in blonde hair. The toner delivers semi-permanent colour and creates iridescent results. The formula with 100% oxidative pigments deposits colour onto the hair without changing the base hair colour. Neutral, gold and ash tones ensure a perfect, natural-looking bronde. Pre-Bonded Technology for maximum hair protection Matrix SoColor Sync Toners feature Pre-Bonded Technology, which helps protect the integrity of the inner hair structure to prevent damage and breakage.