Ingredient

Butylene Glycol

Neutral in 11

What is Butylene Glycol?

Butylene Glycol is a synthetic alcohol derived from petroleum and is commonly used in cosmetic products. It is a clear, colorless liquid that acts as a humectant, helping to retain moisture in the skin.

In skin care and beauty products, Butylene Glycol is used to improve texture, acting as a solvent to thin formulations and enhance the penetration of other ingredients. The health evidence generally supports its safety, though some individuals may experience minor skin irritation.

When you see Butylene Glycol on a label, it is typically there to improve the sensory feel and effectiveness of the product by enhancing moisture retention.

Commonly found in: Deodorant, Skin Care, Makeup, Moisturizers, Lotions

What to watch

  • Can cause mild irritation in sensitive skin when used in high concentrations.

Benefits

  • Helps to retain moisture in skin care products.
  • Acts as a solvent to fully integrate different cosmetic ingredients.
FDA

Butylene Glycol is generally recognized as safe (GRAS) for use in cosmetics by the FDA.

Research

Most research supports its safety, though some studies note potential for irritation, especially in sensitive individuals.

Vegan

Butylene Glycol is synthetic and not derived from animal products, making it generally acceptable for vegans.

Sources: FDA Details on Butylene Glycol

Scout's take

Standard formulation ingredient — neither beneficial nor harmful at typical use.

The case against

There are minimal risks, primarily related to potential skin irritation.

from the analysis of e.l.f. Squeeze Me Lip Balm - Strawberry

The case for

It helps to retain moisture and improve product texture.

from the analysis of e.l.f. Squeeze Me Lip Balm - Strawberry

More from Scout's analyses

Butylene Glycol is a solvent and humectant used to improve the texture and moisture retention of cosmetic products. It helps in enhancing the absorption of other ingredients. It is generally considered safe for use in cosmetics.

from the analysis of Supergoop! Glowscreen Sunrise Hydrating Glowy Tinted Primer Sunscreen with Hyaluronic Acid + Niacinamide - SPF 40

Butylene Glycol is a humectant used to retain moisture in cosmetics. It helps to improve the texture and spreadability of the product. It is considered safe for use in cosmetics.

from the analysis of e.l.f. Squeeze Me Lip Balm - Strawberry

Found in 11 products

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