Prove yourself smooth. Inspired by nature's water-resistant camellia, Biolage Smooth Proof Duo for frizzy hair provides humidity control and anti-frizz smoothness by encapsulating hair in a protective shield. Biolage Smooth Proof for wavy, curly or frizzy hair provides humidity control and anti-frizz smoothness even in 97% humidity, giving you perfectly smooth hair for up to 72 hours.*

Includes:
- Smooth Proof Shampoo (13.5 oz)
- Smooth Proof Conditioner (13.5 oz)

Benefits:
- Shields hair from moisture
- Increases manageability
- Reduces unwanted volume
- Encapsulates hair in a protective shield
- Prevents frizz
- Mimics the water-resistant properties of the camellia flower
- Offers smooth hair for up to 72 hours when used with Smoothproof Conditioner and Serum
- Suitable for color-treated hair

*Whenusing the system of SmoothProof shampoo, conditioner and serum vs. a non-conditioning shampoo.