4-hydroxybenzoic acid

Ingredient type:  CONSERVATIVE

✨ Role: 4-hydroxybenzoic acid is mainly used as a preservative in cosmetic products. It helps prevent the proliferation of bacteria and molds, thus extending the product's shelf life and ensuring its safe use.

Ingredient type: Water-soluble

‍⚕️ Safety: Generally considered safe for cosmetic use when used in recommended concentrations. However, it may be irritating to sensitive skin.

✨ Vegan: Yes, this ingredient is synthetic and suitable for vegan formulations.

✨ Worth knowing: Often present in the form of paraben, i.e. one of its esters, such as methylparaben or propylparaben, which are heavily monitored and sometimes controversial due to their endocrine-disrupting potential. The concentrations used in cosmetics are strictly regulated.

Present in: Skin care products, creams, lotions and hair care products.

Comedogenic rating: 

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