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* A cooling derivative of menthol

* Also known as Cooling Agent 10


Menthoxypropanediol is a cooling agent synthetically derived from menthol that is used as a fragrance or masking ingredient in cosmetic and beauty products. It is known to produce effects that are twice as strong as menthol and is used at concentrations up to 20-25% that of menthol, exhibiting a cool feeling 2.0 to 2.5 times stronger than menthol, according to research.

Because of this effect, it is often seen in lip plumpers. However, because menthol is a known irritant, Menthoxypropanediol's ability to be twice as effective at menthol in plumping lips and producing an effect that is twice as strong as natural menthol suggests that it may be twice as irritating (

Safety Measures/Side Effects:

No independent research was found assessing Menthoxypropanediol's safety, or reporting adverse side effects, although it is normal to feel a stinging sensation when using lip plumpers. The EWG says that Menthoxypropanediol is 99% safe for use, and it is an FDA approved ingredient.

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