
OEM ISO 9001 Approved Cheap Ammonia Free Hair Color Dye Shampoo. Ammonia-Free Formula: Low ammonia content with natural plant essences to reduce hair damage and protect hair health. OEM/ODM Customization: Supports full customization including formula, color, fragrance, packaging, and private label services. ISO 9001 & GMPC Certified: Manufactured in GMP aseptic workshop with ISO 9001, ISO 22716, and GMPC certifications. High Production Capacity: Monthly output exceeds 3 million units with 15 production lines and 100,000-class dust-free workshop. Long-Lasting Color: Unique permanent formula with stable ingredients that lock color factors in the inner layer of hair. Free Sample Availability: Free samples provided; courier fee is refundable upon placing a formal order. Global Distribution Support: Provides popular private brands for global agents and distributors to sell in their local markets. Competitive Pricing: Cost-effective solutions offered through economies of scale and efficient supply chain management.