Octadecene

Octadecene is a long-chain hydrocarbon used as a lightweight, oil-soluble emollient and slip enhancer in skincare that softens texture, forms a thin film to slow water loss, and improves spread in creams, balms, and cleansing oils.
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Ingredient Snapshot

Overview
A lightweight emollient that cushions dry skin and locks in moisture.
Category
Skin Conditioning, Barrier Support, Hydration
Type
Emollient

Ingredient Ratings

Overall Rating

Good

Comedogenic Risk

None

Skin Benefits

Cushions dryness and leaves skin feeling silky without heaviness, helping reduce the sensation of tightness by reinforcing surface softness.

Uses In Skincare & Cosmetics

Frequently included in lightweight lotions, makeup primers, and cleansing oils to improve slip. Also used in hair oils and body butters to improve glide and a velvety finish.

Comedogenic Rating

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

Safety

Generally considered low-irritation and well tolerated in leave-on and rinse-off formulas. Patch testing is prudent if you're sensitive to hydrocarbons or oily textures.

Is Octadecene a Good Ingredient?

This is a stable, lightweight emollient that improves slip and reduces transepidermal water loss without a heavy feel, which earns it Good. Its evidence for barrier support comes from its occlusive film behavior rather than biological activity.

Products with Octadecene

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