Biolage Smooth Proof Conditioner detangles, smoothes unruly hair and protect against humidity to leave hair feeling manageable and soft.

Biolage Smooth Proof Conditioner comes to your rescue when weather conditions seem uncontrollable, providing the ultimate solution for managing wavy, curly, and frizzy hair, especially in humid environments. Drawing inspiration from the water-resistant properties of nature's camellia, this anti-frizz conditioner is the salon's go-to treatment for combating humidity and maintaining smoothness. Even in high humidity levels of up to 97%, this conditioner offers exceptional humidity control, keeping your hair perfectly smooth for an impressive duration of up to 72 hours.