INCI · other · CIR review pending · used in 1 products
4-Terpineol
4-Terpineol (INCI: 4-Terpineol) is a monocyclic monoterpenoid alcohol with the chemical name 4-Methyl-1-(1-Methylethyl)-3-Cyclohexen-1-Ol and CAS number 562-74-3. It is a naturally occurring compound commonly associated with tea tree oil. According to CosIng, its official cosmetic function is masking. It appears frequently in acne-targeted and tea tree oil-based skincare formulations.
Evidence level
weakEWG score
—Comedogenic
—Category
other● Benefits
The source lists its official CosIng function solely as masking (modifying or suppressing the base odor of a product). Its frequent appearance in anti-acne and tea tree oil products suggests an association with blemish-targeting formulations, though no specific skin benefits are described in the source.
anti-acnemasking
● Cautions
