- Valquer Laboratorios preparatory shampoo designed for deep hair cleansing - Effectively removes residues, product build-up, oil, and impurities - Opens the cuticle to improve absorption of hair treatments such as keratin, proteins, or hydration - Optimizes the effectiveness and prolongs the benefits of treatments applied afterwards - Provides a uniform, long-lasting, and professional finish - Suitable for all hair types, including colored or damaged hair - Recommended for use in hair salons and also for at-home treatments - Product developed and manufactured in Spain under strict quality standards and international certifications