Vinegar

Vinegar is an acidic liquid produced by fermenting ethanol into acetic acid, commonly sourced from grains, apples, or wine. In cosmetics, at low concentrations, it adjusts pH, gently dissolves residue, and improves formula clarity.
Like this ingredient?

Ingredient Snapshot

Overview
An acidic liquid used to adjust pH and gently dissolve residue.
Category
Exfoliating
Type
pH Adjuster

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Refines skin feel and supports a fresh, balanced look by mildly loosening dull surface buildup. May reduce product residue on hair or scalp when used appropriately; those sensitive to acids should patch test.

Uses In Skincare & Cosmetics

Found in toners, scalp rinses, and clarifying mists at low levels to fine-tune formula acidity and refresh the finish of leave-on or rinse-off products.

Comedogenic Rating

This ingredient is not typically evaluated for comedogenicity, and no standardized rating is available.

Safety

Carries irritation potential, notably around eyes, broken skin, or when layered with other acids or retinoids; patch test and keep levels low. Over-acidic formulas may disrupt the barrier, so sensitive users may prefer rinse-off use. Avoid freshly shaved areas and contact with eyes.

Is Vinegar a Good Ingredient?

It rates Fair because dilute acetic acid can fine-tune pH and loosen residue, but variability in strength and its inherent acidity raise stinging and irritation risk, especially for sensitive or compromised skin.

Products with Vinegar

Related Ingredients