Hello, in theory you don't need to wear them because germs can't grow without water, but in practice because it is difficult to predict that when the product is released to the market Will there be a chance of moisture entering our products? For example, when using The user dipped his hand into the product. to apply on the skin causing most formula developers to choose to add
สารกันเสีย to protect it for
สารกันเสีย broad-spectrum and is soluble in oil, recommend
Phenoxyethanol SA yes