Ref Stockholm Peroxides Developer is a professional 6% (20 vol) oxidizing lotion in 1000 ml, ideal for una precise and long-lasting coloring. Formulated to effectively activate dyes and bleaches, it ensures una even lightening without compromising hair health. Its fluid consistency facilitates application, delivering vibrant and luminous results. Perfect for salon or home use, it ensures a gentle yet high-performing treatment, enhancing all hair types with maximum safety and efficiency.