OEM Black Hair Shampoo Manufacturer 500ml with Long Lasting Black Hair Treatment

OEM Black Hair Shampoo Manufacturer 500ml with Long Lasting Black Hair Treatment. Ammonia-Free Formula: Formulated with natural herbal plant ingredients for deep nourishment. 18 Trendy Shades: Available in 17 to 18 vibrant permanent hair color options. Low MOQ Support: Accepts small quantity orders starting from 100-300 units. Full OEM/ODM Customization: Supports custom formula, packaging, logo, and label design. Fast Sample Production: Samples ready in 3-5 days for quick verification. Comprehensive Certifications: GMPC, Cpnp, FDA, and MSDS certified for global safety. Flexible Production Time: Small orders 15-20 days, bulk orders 20-30 days. Factory Visit Welcome: Factory located in Guangzhou, China, open for customer visits.