The Goldwell System Developer 1000ml 10 VOL | 3% is a gentle and versatile activator, ideal for treating hair during coloring and lightening processes. Formulated with high-quality ingredients, it ensures a perfect blend with Goldwell dyes, guaranteeing even and long-lasting results. The 3% concentration promotes a gentle action, protecting the struttura of the hair and minimizing the risk of damage during application. Perfect for those seeking a professional product that enhances color brilliance and naturalness, it improves pigment penetration, offering even and luminous results. Ideal for both salon and home treatments, it represents an efficient and reliable choice for achieving flawless looks.