Ethanol

Benefits
Soothing

What is Ethanol?

Ethanol, also known as ethyl alcohol, is a simple, volatile organic compound produced through fermentation of sugars or petrochemical synthesis. In cosmetics, it belongs to the alcohol solvent category and functions by dissolving lipophilic and hydrophilic ingredients, enabling uniform distribution and enhanced penetration into the skin. Its rapid evaporation leaves a cooling sensation and tightens surface layers temporarily. Commonly found in toners, cleansers, and sprays at varying concentrations, ethanol aids in product stability by controlling viscosity and suppressing microbial growth. As an antifoaming agent, it prevents unwanted bubbles during production, while its fragrance properties help mask odors. Despite its utility, high levels can disrupt the skin's moisture barrier, leading to dryness over time.

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

Roles in Formulation

This ingredient serves the following purposes in cosmetic formulations:

Antifoaming agent
Suppresses or breaks down foam during manufacturing or use, improving filling, mixing efficiency, and product performance where excessive foam is undesirable.
Antimicrobial agent
Helps limit growth of bacteria and other microbes on skin or in the formula; may be used for product protection, odor control, or targeted antimicrobial effects.
Astringent
Creates a temporary tightening and toning effect by contracting surface proteins, helping reduce the look of oiliness and refining feel on skin.
Fragrance ingredient
Contributes scent character and/or masks base odors, shaping the overall sensory experience of the formula (subject to allergen and IFRA considerations).
Solvent
Dissolves and carries other ingredients, helping control viscosity, evaporation rate, and delivery of actives in both water- and oil-based systems.
Viscosity controlling agent
Adjusts thickness to the desired level for stability and usability, improving dispensing, suspension, and texture across many formulation types.

Benefits

Provides a cooling, tightening sensation ideal for oily skin feels.

Helps dissolve and deliver active ingredients more effectively.

Acts as a mild antimicrobial to support product preservation.

Who It's For

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

Who May Benefit Who Should Avoid
People with oily or acne-prone skin seeking mattifying effects.
Individuals with sensitive or dry skin prone to irritation.
Those preferring lightweight, fast-absorbing formulas like toners.
People experiencing barrier damage or eczema flare-ups.
Users wanting enhanced ingredient penetration in serums.
Those using high-alcohol products frequently on compromised skin.

Safety Notes

  • Rated low hazard by EWG with scores of 1-1.
  • Generally recognized as safe in cosmetics per regulatory reviews, though concentration matters.

Frequently Asked Questions about Ethanol

Is ethanol safe for daily skincare use?

Yes, at common cosmetic levels it's considered safe by experts, though patch test if sensitive.

Does ethanol clog pores?

No, it has a comedogenic rating of 0, making it non-pore-clogging.

Why is ethanol used in toners?

It tightens skin temporarily, dissolves actives, and evaporates for a refreshing finish.