Levulinic Acid

Levulinic acid is a naturally occurring five-carbon organic acid obtainable from sugars or synthesis for cosmetic use. It's incorporated as a pH-dependent preservative/odor-control adjunct and preservation booster, usually alongside other acids, with minimal direct skin impact.
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Ingredient Snapshot

Overview
A natural acid used to fight odor-causing microbes in formulas.
Category
Preservative
Type
Preservative

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Helps curb odor-causing and spoilage microbes to improve product longevity; not recognized for noticeable skin-transforming effects on its own.

Uses In Skincare & Cosmetics

Included in cleansers, shampoos, and leave-on treatments to assist preservation alongside other supportive acids.

Comedogenic Rating

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

Safety

Low irritation potential overall, though acids can sting on compromised or very sensitive skin. Not known to be photosensitizing; discontinue if discomfort occurs.

Is Levulinic Acid a Good Ingredient?

Rated Good as a reliable, pH-dependent preservative booster with generally low irritation at cosmetic levels, aiding product protection without making bold skin claims. It works best within suitable pH ranges and in blends that broaden antimicrobial coverage, solid functional value that keeps it at Good.

Products with Levulinic Acid

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