Ouidad's Unbreakable Bonds™ Mixing Drops can be added to your favorite styling products to customize your curl routine in seconds. Made with a unique bond building technology, these drops help improve the look of overall hair health while good-for-curl ingredients like rice protein, hyaluronic acid, and vegan collagen contain nutrients that help to hydrate strands for stronger curls over time. Fragrance-free formula is great for even the most sensitive of scalps.*Color of drops can change due to heat. Store in a cool, dry place.