Malic Acid is best approached with caution, with the product's pH and intended purpose in view. The checked CIR conclusion supports its use as a pH adjuster; it found insufficient information for other functions.

That limited conclusion should not become a blanket claim about exfoliation, every acid product or irritated skin. No applicable exact-ingredient human seb derm or Malassezia result was established. A dialkyl-malate assessment concerns different compounds. Choose a product for its stated use and avoid repeated application if it stings; seek advice about persistent symptoms.