It's more of preservative

Phenoxyethanol is used as a Preservative. The main benefits r it pevents the growth of bacteria, enhances shelf life, and stabilizes products. In general, anyone without an allergy can use it. Phenoxyethanol is not recommended for those with sensitive skin or eczema. Alcohol denat is largely used in skincare and cosmetics more for its formulation benefits, rather than having any actual positive effects on the skin. It helps products spread easily and absorb quickly and acts as a preservative. it's generally an ingredient to avoid, though it's a major no for those with dry or sensitive skin.