Surfactant

Cetyl Acetate

Cetyl acetate and acetic acid ester — a lightweight, dry emollient with a characteristic silky feel without greasiness. A natural analogue — found in sebum. Improves the texture of creams and lotions without weighing down the skin.

Ester emollientdry touchSilkinessSebum

⚠ Use with Caution

Comedogenic Rating

0/5

Irritation Potential

0/5

What is it?

Cetyl Acetate — the ester of 1-hexadecanol (cetyl alcohol, C16) and acetic acid. INCI: Cetyl Acetate. Liquid at room temperature (~melting point 18°C). Naturally found in spermaceti (not used), sebum, and some fish oils. The synthetic analogue is obtained through esterification. Key property: a lightweight "dry" ester with a silky feel on the skin. Unlike free cetyl alcohol (solid alcohol) — it is liquid and more volatile. Often used together with acetylated lanolin.

Cream lotions and body moisturizers, lightweight facial emulsions, silky SPF formulas. Popular in "light feel" products.

Key Benefits

✦

Silky dry-touch feel without greasiness

Cetyl Acetate provides a characteristic "clean" sliding effect upon application and absorbs quickly, leaving the skin smooth without a greasy layer. The acetic acid ester evaporates gradually, while the cetyl part remains as a lightweight conditioning component. This "two-phase" absorption makes cetyl acetate unique among ester emollients — the first sensation is a cool silkiness, followed by light moisturization.

◈

Biomimetic component — similarity to sebum

Sebum contains a small amount of cetyl acetate naturally. This means it is well "recognized" by skin receptors and integrates with the surface lipid layer. For sensitive or atopic skin — lower risk of reaction compared to "foreign" synthetic esters. Similarity to skin lipids is an advantage in barrier-repair formulas.

✧

Improvement of consistency and stability of emulsions

Cetyl Acetate — an effective cosolvent in W/O and O/W emulsions: reduces the surface tension of the oil phase, improves stacking with emulsifiers. Affects the rheology of the final product — makes the consistency more "creamy" without increasing greasiness. Synergizes with cetyl alcohol and glyceryl stearate in classic cream bases.

Suitable for

For all skin typesFor sensitive skinFor oily skin (light ester)

Main Actions

✓ Dry-touch silkiness✓ Biomimetic emollience✓ Texture improvement

Acetylated vs Regular esters

Acetylated esters (cetyl acetate, acetylated lanolin, acetyl tributyl citrate) — a general class with a specific dry-touch profile. Acetic acid released during hydrolysis may give a slight odor — not a problem with the correct pH and storage. For sensory modifications in creams: cetyl acetate (dry, lightweight) vs cetearyl alcohol (more creamy, heavier). The choice depends on the desired feel.

CategorySurfactants

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