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.

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 ...

Order Now. Tresemme Keratin Smooth Shampoo effectively reduces frizz with up to 72 hours of anti-frizz protection. This shampoo contains keratin and argan oil to make your hair silky, soft, and ...