Loreal Professionnel Dia Activateur 15 Volume 4.5% Developer 33.8 oz delivers enhanced lift and luminous tone for demi-permanent and tone-on-tone color services. Its 4.5% formula provides even color development, improved shine, and soft, healthy-looking hair. Perfect for use with Loreal Dia Light and Dia Richesse, this professional salon developer ensures radiant, durable, and beautiful color results.

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Loreal Professionnel, Dia Activateur, 15 volume developer, 4.5% developer, demi-permanent hair color, tone-on-tone developer, professional hair color, salon-quality hair developer, vibrant color results, shiny hair, healthy-looking hair, long-lasting hair color