New Pearl Shades Discover 2 new iridescent beige shades and 3 new cool beige shades DIA Light, neutralizing gloss and lengths refresher color. The acidic gel-cream technology to neutralize & gloss after lightening and refresh lengths after color, the French way. It is ideal for coloured or sensitised hair and it offers zero lightening and ultimate shine and condition. DIALIGHT is specifically designed for coloured hair, so its shades are perfect for refreshing an existing colour between two permanent hair colour applications or for a colour matching service. DIALIGHT's innovative acid-gel formulation is free from ammonia and won't lighten or sensitise hair. Instead, it adds intense shine and condition to coloured hair for beautiful, luminous reflects. To get the best results from DIALIGHT, you need to mix it with its specially created developer DIACTIVATEUR. Mixing ratio is 1 part colour to 1.5 parts developer and development time is just 20 minutes. Each shade comes in a 50-ml tube.