Levulinic Acid

Benefits
RegenerationAntisepticSoothingMoisturizing

What is Levulinic Acid?

Levulinic acid is a five-carbon keto acid (4-oxopentanoic acid) produced through the acid-catalyzed dehydration of carbohydrates from renewable biomass sources, such as sugarcane or wood. In cosmetics, it belongs to the category of multifunctional organic acids, commonly incorporated into natural and clean beauty formulations. It functions primarily as a skin conditioning agent by helping to maintain skin's moisture balance and flexibility, while also serving as a fragrance ingredient to contribute subtle scent profiles or mask odors. Additionally, its mild acidity supports pH adjustment and enhances preservative efficacy against microbes, making it suitable for gentle, eco-friendly product preservation without harsh synthetics. Derived sustainably, it aligns with green chemistry principles in modern skincare.

Comedogenic Rating 0/5 Low risk of clogging pores
EWG Safety Rating 1 View on EWG →

Roles in Formulation

This ingredient serves the following purposes in cosmetic formulations:

Fragrance ingredient
Contributes scent character and/or masks base odors, shaping the overall sensory experience of the formula (subject to allergen and IFRA considerations).
Skin conditioning agent
Maintains skin softness, smoothness, and flexibility.

Benefits

Supports skin conditioning for improved softness and smoothness.

Provides mild antiseptic action to help protect formulations.

Promotes a soothing and moisturizing feel on the skin.

Who It's For

A quick guide for who this ingredient may suit (and who should be cautious).

Who May Benefit Who Should Avoid
Individuals seeking natural, multifunctional ingredients in daily skincare.
People with known sensitivities to organic acids.
People with normal to sensitive skin looking for gentle conditioners.
Individuals experiencing irritation from low pH ingredients.
Those preferring sustainable, biomass-derived components in products.
Those with compromised skin barriers during active flare-ups.

Safety Notes

  • Rated low hazard by EWG with scores of 1 across assessments.
  • Non-comedogenic with a rating of 0, suitable for acne-prone skin.

Frequently Asked Questions about Levulinic Acid

What is levulinic acid derived from?

It comes from renewable biomass sources like carbohydrates in sugarcane through sustainable processes.

Is levulinic acid safe for sensitive skin?

It has low irritation potential and supports skin conditioning, making it suitable for many sensitive skin routines.

What roles does it play in cosmetics?

It acts as a skin conditioning agent and fragrance ingredient, helping with moisture and scent balance.