A powerful dual-use serum that provides color rejuvenation and shine. Perfect for straight, wavy, curly, coiled and tightly coiled hair. Key Benefits: Proven to maintain color vibrancy and shine for up to 70 days. * Leaves hair hydrated, smooth, and shiny. Protects color treatments from UV-fade when used as a leave-in treatment. Provides heat protection up to 450°F/232°C. ** *Based on a study vs. untreated hair when used as a regimen with Infinite Color Hold Shampoo, Conditioner, and Dual-Use Serum. **vs. untreated hair. | Alterna CAVIAR Anti-Aging Infinite Color Hold Dual-Use Serum, 1. 7 oz | Dermstore