Ingredient · Updated

Methylpropanediol

Neutral in 3

Found in 3 products

What is Methylpropanediol?

Methylpropanediol is a chemical compound often used in cosmetic and personal care products. It is a glycol, which means it is related to substances used in antifreeze and is commonly derived from petroleum sources.

It is used to enhance the penetration of other ingredients into the skin and to improve the texture and feel of products. The health evidence regarding methylpropanediol is mixed. Some studies suggest it is generally safe when used topically, but concerns have been raised about skin irritation, especially at higher concentrations.

When you see methylpropanediol on a label, it is usually present to help the product spread more smoothly and to deliver active ingredients more effectively.

Commonly found in: body lotion, skin creams, sunscreens, serums, makeup

What to watch

  • Can cause skin irritation in sensitive individuals, particularly at higher concentrations.

Benefits

  • Improves skin penetration of active ingredients, enhancing product efficacy.
FDA

Methylpropanediol is not specifically regulated by the FDA, but it is commonly used and not banned in cosmetics.

Research

Studies indicate general safety in cosmetic use, though there are reports of skin irritation, particularly with high exposure.

Vegan

Methylpropanediol is synthetic and not derived from animal products, so it is typically considered vegan-friendly.

Sources: Cosmetic Ingredient Review Safety Assessment

Scout's take

Methylpropanediol is a solvent and skin-conditioning agent used in cosmetics. It helps improve the penetration of other ingredients and provides a smooth feel. It is generally considered safe for use in skincare products.

The case against

There are minimal risks, though it may cause irritation in very sensitive skin.

from the analysis of Eucerin Advanced Repair Lotion for Very Dry Skin Bottle

The case for

Methylpropanediol enhances the absorption and feel of the lotion.

from the analysis of Eucerin Advanced Repair Lotion for Very Dry Skin Bottle

More from Scout's analyses

Methylpropanediol is a solvent and skin-conditioning agent that helps to enhance the absorption of other ingredients. It is generally considered safe for skin contact.

from the analysis of Pleasing Solar Dew Mineral Serum SPF 50+

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

from the analysis of Paula's Choice Skin Perfecting 2% BHA Lotion Exfoliant

All 3 products with Methylpropanediol

Where Methylpropanediol shows up

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