Keratin Straightening treatment formaldehyde free. The only hair care product you need to leave your hair silky, vibrant and frizz-free. Smoothing Treatment builds alignment from the inside out. Keep your hair softer and more vibrant for longer. The best keratin straightening treatment rejuvenates hair, leaving it straight and strong. Contains natural softener for hair density and conditioning along with natural extracts to keep strands hydrated. Infused with an optimized keratin anti-aging protein blend to restore hair from the inside out, returning it to a more youthful state. Product Features: In a hair straightening treatment, the keratin adheres to the hair of the hair. The longer this bond remains intact, the smoother, shinier and softer your hair will be; that is why it is important not to interfere with the links. Commonly used commercial and even salon brands contain foaming salts and surfactants that deplete these keratin bonds, while our formula is specifically formulated to clean without stripping, free of all the ingredients that cause this, while maintaining a beautiful, flawless shine. Product benefits: Progressive alignment of strands, shine and softness. Strengthens the internal structure and improves the condition of the hair. Smoothest the cuticle and eliminates frizz, greatly reduces styling time, instantly improves manageability and provides external protection. Reduces the appointment time with the hairdresser and the client. It gives perfect results and lasts up to 12 weeks. The end result is smoother, softer, healthier hair, without frizz and with a radiant shine. Package Includes: 1 Brazilian Keratin & Collagen Hair Smoothing Treatment - 16 oz