Hydrating smoothing serum for thick and coarse frizzy hair. This lightweight leave-on serum gives long-lasting frizz protection with light control and locks in moisture for hair that's softer, shinier, and visibly smoother. Perfect for taming flyaways and managing unruly strands for a polished and manageable feel. With regenerative apple pulp extract, it is rich in carbohydrates that lock in moisture. Provides heat protection up to 446°F (230°C), it makes hair 2 times smoother, and frizz-free for up to 72 hours*.