L'Oréal Professionnel Dia Light 9.11 Very Light Deep Ash Blonde—also known as "Iceberg 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 enriched with Hyaluronic Acid that instantly replenishes lost moisture, providing 2x more hydration, 82% glossier color, and helping to preserve cortex integrity with 3x less breakage after bleach .
The 9.11 Very Light Deep Ash Blonde shade delivers a cool, sophisticated ash result with intense grey and silver reflects, perfect for neutralizing unwanted warm undertones after lightening 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 formula does not lift hair color, focusing instead on toning, glossing, and refreshing with natural results.
The milky cream texture ensures precision application and even color distribution . Mix at a 1:1.5 ratio with DIActivateur 6-vol (1.8%) for soft deposit on blondes, 9-vol (2.7%) for standard tone-on-tone results, or 15-vol (4.5%) for stronger opacity . Development time ranges from 2 to 20 minutes depending on desired intensity, with results lasting up to 6 weeks . For grey coverage, please refer to Dia Richesse.
This product is intended for professional use only. To use, mix 1 tube (50-60ml) of Dia Light 9.11 with 75-90ml of DIActivateur Developer at the desired volume, apply to dry, unwashed hair using sectioning techniques, process for 5-20 minutes, then emulsify, rinse thoroughly, and follow with a post-color shampoo. Always perform a patch test 48 hours before any coloring service .