OGX Straightening & Brazilian Keratin Smooth Bar Shampoo 80g Experience professional-quality results with OGX Straightening & Brazilian Keratin Smooth Bar Shampoo. Infused with Brazilian keratin proteins, this shampoo strengthens and smoothes your locks for a sleek, healthy look. In fact, 94% of users reported smoother, straighter hair after just one wash. Trust the expertise of OGX for a luxurious, salon-worthy haircare experience.