Methylpropanediol

Methylpropanediol molecular structure

adultsSkin contact product

Check for Different Age (6 available)

Is this safe for adults to use Methylpropanediol?

YES - Generally Safe
Danger Score: 1 (Lower is safer)
Quick Answer: Methylpropanediol is generally considered safe for adults when used in topical products. Adults generally have higher tolerance.

ℹ️General Overview

For adults: this ingredient is generally safe in normal skin products. Most people can use it without problems. It has a low chance of causing long-term harm, but it can irritate skin, eyes or lungs in some people, especially at higher strength.

What to Do

If you are an adult using a product with this ingredient: do a small patch test on your inner forearm before using widely; avoid applying to broken or irritated skin; avoid products that are sprayed near the face if you have breathing problems; if you use active treatments (like strong acids, retinoids, or prescription actives), watch for extra irritation because this ingredient can increase how much other substances get into your skin. If you are pregnant or breastfeeding and worried, check with your health care provider.

⚠️Warnings

Limited evidence shows it can cause skin, eye or respiratory irritation (source: 2017 toxicology study and European Chemicals Agency). It is listed as a penetration enhancer (source: Cosmetic Ingredient Review), so it may increase absorption of other ingredients — avoid combining it with strong actives without guidance. Some product certification programs restrict its use unless a maker provides extra safety data. Watch for redness, stinging, rash, or breathing trouble and stop use if these occur; seek medical help if breathing problems or severe reactions happen.

Confidence: HIGH

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Safety Risk Labels

This ingredient has the following documented risks:

Irritant: There is limited evidence that this chemical can irritate skin, eyes, or lungs when used on skin. European chemical regulators and a toxicology review report cases of mild skin and eye irritation and possible respiratory irritation, so babies with very sensitive skin could get redness, itching, or breathing discomfort.
Absorbed: A cosmetic safety review identifies this ingredient as a penetration enhancer. That means it can help itself and other ingredients get through the skin and into the body more easily. Because it can boost skin uptake, there is a higher chance that more of a product’s ingredients will enter a child’s body unless limits are set.

Tap or hover over labels to see detailed risk information.

Alternative Names for Methylpropanediol

This ingredient may also be listed as:

methylpropanediolMETHYLPROPANEDIOLB-HYDROXYISOBUTANOL2-METHYL-1,3-PROPANEDIOL

Always check ingredient labels carefully, as ingredients may be listed under different names.

Products Containing Methylpropanediol

This ingredient is found in the following products:

This list shows products that contain Methylpropanediol or its alternative names.

Common Questions About Methylpropanediol

Is this safe for adults to use Methylpropanediol?

Yes, Methylpropanediol is generally considered safe for adults based on current research.

What are the irritant risks of Methylpropanediol for adults?

Can cause skin redness, itchiness, or rashes—especially on sensitive baby skin.

What are the absorbed risks of Methylpropanediol for adults?

Can be absorbed through the skin and get into the bloodstream.

What products contain Methylpropanediol?

Methylpropanediol is commonly found in skincare products, cosmetics, and topical applications. Always check ingredient labels before use.

When can adults using products with Methylpropanediol?

The appropriate age depends on the specific ingredient properties and concentration. This analysis is for adults. Use the age selector above to check other ages.

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