Hydroxyacetophenone

Summary

Hydroxyacetophenone (4'-Hydroxyacetophenone, CAS 99-93-4) is a small phenolic molecule used as a preservative booster, antioxidant, and skin-soothing agent, typically at up to 5 percent, that improves the performance and skin tolerance of mild preservative systems. It appears in 41 products in our range.

About

On an ingredient list it is written as Hydroxyacetophenone. Its CAS reference is 99-93-4.

In the Formula

It protects the formula. It guards the product against spoilage or oxidation across its shelf life. Formally it is classed as preservative booster, antioxidant, soothing agent.

The Evidence

It is a listed cosmetic ingredient with an established function in the EU CosIng inventory. We hold no finished product study on it and do not imply one. We cite what the ingredient is assessed for, not what a finished product was claimed to do.

Honest Limits

Hydroxyacetophenone does its job inside the formula. It is not an active, and nothing on this page should be read as a treatment claim.

Where we use it

• Full Coverage Bella Concealer Brightening Formula For All Tones
• Full Coverage Concealing Cream Brightening Corrector All Skin Tones
• Full Coverage Comma Concealing Cream For All Skin Tones
• Full Coverage Concealing Cream Corrector All Skin Types
• Full Coverage Glaze Concealer Brightening Cream For Makeup Lovers
• Full Coverage Loom Concealing Cream Concealer For All Skin Tones
• Full Coverage Concealing Cream Brightening Layerable All Skin Tones
• Full Coverage Brightening Concealer For All Skin Tones Nougat

And 33 more.