Olaplex No. 4 Bond Maintenance Shampoo is a high-quality hair care product designed for all hair types. This 1000ml bottle is perfect for those who want to maintain healthy and strong hair. Olaplex No. 4 is formulated with Olaplex's patented Bond Building technology, which helps to repair and protect hair from damage caused by everyday styling, chemical treatments, and environmental stressors. This shampoo is also free of sulfates, parabens, and gluten, making it suitable for those with sensitive skin.Using Olaplex No. 4 Bond Maintenance Shampoo is easy. Simply wet your hair and apply a generous amount of the shampoo to your scalp and hair. Massage the product in and lather it up, working the product through your hair from root to tip. Rinse thoroughly with warm water, and follow up with Olaplex No. 5 Bond Maintenance Conditioner for best results.By incorporating Olaplex No. 4 Bond Maintenance Shampoo into your regular hair care routine, you'll notice your hair becoming stron