The core function of lotion bottles goes far beyond simply holding liquids. Three key points need special attention when purchasing:
Sealing: Preventing air from entering and causing oxidation and spoilage, especially for serums containing active ingredients.
Compatibility: The bottle material must not react with the lotion ingredients; PET and glass are the mainstream choices.
User Experience: Pump-style designs are more hygienic than wide-mouth bottles, and dispensing control is also important with pump-style lotion bottles.
Taking common PET plastic lotion bottles as an example, their advantages are lightweight and shatterproof, but they offer weaker barrier properties for essential oil products. These basic requirements are usually addressed by customizing the wall thickness and nozzle diameter to balance cost and performance.