Cosmetics Formulation Development

Face cream can be put น้ำหอม (synthetic) how many %? that does not cause any harm to the skin, thank you

Hello น้ำหอม each type has a different chemical composition. Currently, the FDA around the world has Clearly specifying which ingredients are prohibited from being used as a component of น้ำหอม น้ำหอม sold chemicals So there is no harm to the skin. meaning of the word Not harmful to the skin It does not mean that it is not allergic, but means it is a substance that does not cause any toxicity to the body in any aspect when it is on the skin. Allergies are individual. We can be allergic to any substance. Not related to the substance is dangerous. Or irritate the skin or not. For example, many people are allergic to nuts. The rate of use น้ำหอม in any cosmetic formulation. Therefore it is not fixed. cause because If it does not contain elements that are harmful to the skin, then It is not necessary to set the rate of use in.. The rate of use น้ำหอม is often considered according to the severity of desired scent and the risk of allergic reactions [Use in high quantity Will make our product users have a higher chance of losing] The team recommends learning. Usually, try at 1% and adjust up or down from this level. according to the intensity of the desired scent