The 20ML Amber Dropper Bottle with 18MM PP Smooth Dropper is ideal for precise dispensing of essential oils, serums, and pharmaceutical liquids. The amber glass protects light-sensitive formulations from UV rays, ensuring product longevity. The PP smooth dropper with a glass tube, silicon black rubber teat, and wiper plug provides controlled and mess-free dispensing, making it perfect for skincare, aromatherapy, and laboratory applications.