Iridescent Ash Blonde Milkshake

L'Oréal Professionnel Dia Light 9.21 Very Light Iridescent Ash Blonde Milkshake is an acidic demi-permanent gloss color specifically formulated to tone, refresh, and enhance color-treated or sensitized hair without ammonia or lift . This innovative formula is powered by a 1% Hyaluronic Acid complex that instantly replenishes lost moisture, providing deep hydration, up to 80% more shine, and leaves hair up to 30% more conditioned .

The 9.21 Very Light Iridescent Ash Blonde Milkshake shade delivers a cool, pearlescent finish with iridescent reflects, perfect for neutralizing unwanted yellow and warm undertones after lightening services or refreshing faded color on lengths and ends . Ideal for toning highlights and balayage, glossing services, refreshing faded color, and corrective color applications, Dia Light offers versatile service opportunities for professional stylists. The ammonia-free, vegan formula does not lift hair color, focusing instead on toning, glossing, and refreshing with natural results .

The gel-cream texture ensures precision application and even color distribution. Mix at a 1:1.5 ratio (1 tube color to 1.5 parts developer) with DIActivateur 6-vol (1.8%) for sensitized hair or 9-vol (2.7%) for good condition hair . The "Milkshake" shades (Level 9 & 10) are specifically formulated for toning and glossing blondes after lightening service . Not for grey coverage—please refer to Dia Color for white hair coverage .

This product is intended for professional use only. To use, mix 1 tube (50-60ml) of Dia Light 9.21 with 75-90ml of DIActivateur Developer at the desired volume, apply to dry, unwashed hair using sectioning techniques, process for up to 20 minutes, then emulsify, rinse thoroughly, and follow with a post-color shampoo . Always perform a patch test 48 hours before any coloring service.