IGORA ROYAL Absolutes SilverWhite tonal refiner for 30-100% white hair, base 5 and lighter.Beautifying and brightening for white and salt and pepper hair.IGORA ROYAL Absolutes SilverWhite Technology contains silamine and collagen, a low-ammonia content and a low pH for tailor-made, low-commitment beautifying of silver and white hair. Specially sourced grey pigments provide cool tones to neutralize unwanted warmth resulting in brighter and more vibrant white hair.