Best Keratin Shampoo for Frizzy Hair: Keratin Complex Color Care Smoothing Shampoo. Keratin Complex Color Care Smoothing Shampoo (13.5 fl. oz.) $30.00, Amazon.

OGX Ever Straightening Brazilian Keratin Smooth Shampoo. OGX Ever Straightening Shampoo contains coconut oil, keratin proteins, avocado oil, and cocoa butter.

This smoothing shampoo is a godsend for thick hair—whether it's straight or curly—that tends ... vegan keratin (smoothing) Glowing customer review: "This is a fantastic option for anyone who ...

OGX Frizz-Free + Keratin Smoothing Oil Shampoo The keratin-infused shampoo strengthens hair, improves flexibility, protects against humidity, and adds shine. Check price at Amazon ...

The texture was smooth and silky, and you bet they spent the entire evening running my hands through it like they were in a shampoo commercial. Before Editor Sam Reed pre-Keratin treatment.