Acetum, commonly known as vinegar, is a dilute solution of acetic acid. In cosmetics, it is primarily used as a pH adjuster, helping to balance the acidity of formulations. It can also have mild astringent and antimicrobial properties.
NoneAcidVeganEvidence: Medium
BenefitMinimal 1 / 4
Oil control
Texture
RiskModerate 1.5 / 4
Irritation
Sensitization
Rated by SpottyLabs' ingredient methodology, independent of brands.
What it helps with
pH adjustment
Mild astringent
Antimicrobial properties
Things to watch
Can be irritating if too concentrated
Strong odor
Be careful combining with
Aha— Combining with other acids like AHAs can increase the risk of irritation and over-exfoliation.
Retinoid— Using with retinoids may increase skin sensitivity and irritation.
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Vinegar is primarily used in skincare to adjust the pH of a product, ensuring it is within a range that is beneficial for the skin. It also possesses mild astringent qualities that can help with oily skin and some antimicrobial effects.
Can vinegar irritate the skin?
Yes, if used in high concentrations or undiluted, vinegar can cause skin irritation, redness, and dryness due to its acidic nature. Products formulated with vinegar typically contain it in safe, diluted amounts.
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