The 20ML Amber Dropper Bottle with Type - 1 Black Cap and Big Hole Dropper Set is perfect for dispensing liquids with higher viscosity, such as oils, serums, and tinctures. Made from UV-protected amber glass, it helps preserve the integrity of light-sensitive formulations. The Type - 1 black cap ensures a secure seal, while the big hole dropper allows for faster and controlled dispensing, making it ideal for cosmetic, medical, and laboratory use.\r\n\r\n