Airless pump bottles (15–30 mL) in opaque or UV-blocking materials are the industry standard for retinal serums because they limit oxidation from air and light exposure. Miron violet glass is a premium alternative. Avoid clear glass or standard dropper bottles for unencapsulated retinal. Your US manufacturer should be able to source GMP-compatible airless components or accommodate packaging you supply.
Read the full guide on private label retinaldehyde serum manufacturer usa low moq →