Wella Professionals Renew Crystal Powder Wella Professionals Renew Crystal Powder is a zero-damage colour reducer to adjust, change and correct undesired permanent hair colour results. It´s a gentle alternative to persulfate products to reduce undesired oxidative colour while respecting the natural hair melanin without lightening the natural hair colour. Reduces and corrects undesired colour results. Gently cleanses excessive oxidative colour in depth and tone. Respects the natural hair structure. Does not lighten the natural colour. Optimises and prepares the hair for a new colour. Easy and reliable application. Peroxide free, Persulfate free, Parfum free.
