Isobutyl Acetate

Isobutyl acetate is a synthetic ester used as a volatile solvent and fragrance component in cosmetics, nail enamels, and perfumes. It dissolves film-formers and adjusts aroma, then flashes off quickly to leave a light finish.
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Ingredient Snapshot

Overview
A fast-evaporating solvent that helps fragrances blend and dry down.
Category
Fragrance
Type
Solvent

Ingredient Ratings

Overall Rating

Fair

Comedogenic Risk

None

Skin Benefits

Enables rapid dry-down with minimal residue and subtly refines scent character. Improves application by thinning dense films without adding greasiness.

Uses In Skincare & Cosmetics

Common in nail polishes and topcoats for quicker set time, and in perfumes or body mists to fine-tune aroma and feel.

Comedogenic Rating

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

Safety

Generally safe as a cosmetic solvent, though vapors can cause transient eye, skin, or respiratory irritation at higher exposure. Use with ventilation, avoid prolonged skin contact, and heed flammability precautions.

Is Isobutyl Acetate a Good Ingredient?

Rated Fair because it efficiently dissolves film-formers and evaporates cleanly but offers no skincare benefit on its own. Its volatility and fragrance-like nature can irritate eyes, skin, or airways, especially with high vapor exposure, which is what keeps the rating down.

Products with Isobutyl Acetate

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