1,3-Butylene Glycol

1,3-Butylene Glycol is a clear, water-soluble humectant and solvent used in cosmetics. It draws in moisture, helps products spread more easily, and cuts stickiness, so formulas feel lightweight and leave skin soft and refreshed.
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Ingredient Snapshot

Overview
Pulls in moisture and helps products glide on smoothly, not sticky.
Category
Hydration, Skin Conditioning
Type
Humectant

Ingredient Ratings

Overall Rating

Great

Comedogenic Risk

None

Skin Benefits

Draws water into the outer skin layers for a smoother, bouncier feel. Improves delivery of actives and improves slip without a greasy residue.

Uses In Skincare & Cosmetics

Appears in toners, essences, serums, and moisturizers to refine texture and boost absorption. Also common in masks and sunscreens to keep formulas even and fluid.

Comedogenic Rating

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

Safety

Generally well tolerated for most skin types. Rare sensitivity may occur, especially in very reactive skin or when layered with multiple humectants. No notable cosmetic regulatory restrictions.

Is 1,3-Butylene Glycol a Good Ingredient?

Rated Great due to extensive industry use, solid stability, and a low irritation profile at typical levels. Its multifunctionality supports many formula types.

Products with 1,3-Butylene Glycol

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