The activator Profesia 40 volumes - 1000 ml (code 4004) is a professional product designed to ensure excellent results in every color treatment. Its high oxidation formula effectively activates dyes and bleaches, ensuring una intense and long-lasting coverage even on difficult or very dark hair. Ideal for those who want a significant lightening without compromising the struttura of the hair, this activator promotes una uniform penetration and effective opening of the cuticle, optimizing color yield. The 1000 ml format is perfect for both professional salons and home use, offering practicality and convenience. Profesia 40 volumes is the ideal choice for achieving professional results with ease and safety.