Methyl Alcohol

Methyl Alcohol and pregnancy

Not Recommended

• Known teratogen
• Absorbed into the body

Methyl alcohol, also known as methanol, is a toxic alcohol that is sometimes mistakenly listed in cosmetic formulations, though it should not be intentionally included. Unlike safe fatty alcohols (cetyl, stearyl) or ethanol, methanol is highly toxic and can cause severe health effects. According to the FDA, methanol is prohibited in cosmetics because it is readily absorbed through skin and can cause serious systemic toxicity. During pregnancy, methanol exposure is particularly dangerous as it can cross the placenta and cause fetal harm. Studies show methanol and its toxic metabolite, formic acid, can cause developmental abnormalities, fetal death, and maternal toxicity. The FDA and international regulatory bodies explicitly prohibit methyl alcohol in cosmetic products. If you see 'methyl alcohol' or 'methanol' on a product label, do not use the product and report it to the FDA. This is distinct from safe alcohols like 'alcohol denat' (ethanol) or fatty alcohols which have different chemical structures and safety profiles.

Methyl Alcohol and breastfeeding

Not Recommended

• Passes into breast milk
• Infant exposure

Methyl alcohol (methanol) is a highly toxic substance that is prohibited in cosmetics by the FDA. It is readily absorbed through skin and can enter the bloodstream, leading to serious systemic effects. Methanol can transfer into breast milk and poses serious risks to breastfed infants. The toxic metabolites of methanol can cause harm to both mother and child. Even topical exposure should be avoided as methanol absorbs readily through the skin. The FDA explicitly prohibits methyl alcohol in cosmetic products. If a product lists methanol or methyl alcohol as an ingredient, it should not be used and should be reported to regulatory authorities. This prohibition applies to everyone, including breastfeeding mothers.

Methyl Alcohol and postpartum

Not Recommended

Methyl alcohol (methanol) is a toxic substance prohibited by the FDA in cosmetics. It can cause severe health effects including organ damage, blindness, and death even through skin absorption. Postpartum women should avoid any product containing methanol just as the general population should. The ingredient should not be present in legitimate cosmetic products. If you encounter a product listing methyl alcohol, do not use it and report it to authorities.

Methyl Alcohol and trying to conceive

Not Recommended

• Fertility effects

Methyl alcohol (methanol) is a toxic substance that is prohibited in cosmetics by the FDA. Methanol exposure can affect reproductive function and should be avoided when trying to conceive and at all times. The FDA explicitly bans methanol from cosmetic products due to its toxicity. If a product contains methyl alcohol, it should not be used and should be reported. Women trying to conceive should avoid methanol exposure through any route.

Methyl Alcohol and PCOS

Not Recommended

Methyl alcohol (methanol) is a prohibited toxic substance in cosmetics. It is readily absorbed through skin and causes serious systemic toxicity including organ damage and potential death. Women with PCOS should avoid methanol for the same reasons as the general population: it is a toxic substance that should not be in cosmetic products. The FDA prohibits its use in cosmetics. If you see methyl alcohol or methanol listed as an ingredient, do not use the product regardless of your health conditions. This is a safety issue for all consumers and the product should be reported to regulatory authorities.

Methyl Alcohol and general use

Not Recommended

• Carcinogen concern
• Irritant

Methyl alcohol, also known as methanol, is a simple toxic alcohol that is sometimes confused with safe alcohols used in cosmetics like ethanol (alcohol denat.) or fatty alcohols (cetyl, stearyl). Methanol is a different chemical entirely and is highly dangerous. According to the FDA, methanol is prohibited in cosmetics because it is absorbed through skin and causes severe toxicity. Methanol poisoning can result in blindness, organ failure, and death. Even small amounts absorbed through the skin can be harmful as the body metabolizes methanol into toxic compounds like formaldehyde and formic acid. The FDA and international regulatory bodies strictly prohibit methyl alcohol in cosmetic products. If you see 'methyl alcohol' or 'methanol' listed on a product label, do not use the product and report it to the FDA MedWatch program. This is not the same as 'alcohol' (ethanol) or fatty alcohols, which are considered safe in cosmetics.

Everything else flagged for the same profiles

• Flagged in pregnancy
• Flagged in breastfeeding
• Flagged in postpartum
• Flagged in trying to conceive
• Flagged in PCOS

Related ingredients

Ingredients suggested in place of Methyl Alcohol, each one with its own page here.

• Glycerin

Ingredients that raise the same concerns.

• 1-NaphtholCarcinogen concern, Known teratogen, Fertility effects
• DimethylacrylamideCarcinogen concern, Known teratogen, Fertility effects
• Diethylene GlycolCarcinogen concern, Known teratogen, Fertility effects
• Saccharomyces/Podophyllum Peltatum Ferment FiltrateCarcinogen concern, Known teratogen, Fertility effects
• Linoleamide DEACarcinogen concern, Known teratogen, Fertility effects
• TolueneCarcinogen concern, Known teratogen, Fertility effects

Where this came from

Truva summarises published guidance from bodies including ACOG, the FDA, the EU SCCS and the Cosmetic Ingredient Review. It has no access to your medical history and it is not a substitute for your doctor, dermatologist or midwife. These assessments have not been reviewed by a clinician, and nothing here is a diagnosis or a prescription. If you are pregnant, breastfeeding or being treated for PCOS, take the ingredient list to the person looking after you.

Assessment last pulled from the ingredient database on 15 September 2026.