Joico Smooth Cure Sulfate-Free Conditioner for Curly Frizzy Hair Ultra moisturizing, sulfate-free conditioner reduces frizz leaving hair dramatically soft, smooth, and more manageable. RECOMMENDED FOR: Curly/frizzy/coarse hair. INSTRUCTIONS FOR USE: Apply to damp hair. Leave in for 1 minute. Rinse. END RESULT: When used as a complete system, Smooth Cure: - Leaves hair smooth for up to 72 hours - Reduces frizz by 79% - Provides 24-hour high humidity protection