Glycolic Acid in Pregnancy and Breastfeeding: What Sources Say
No trial has tested glycolic acid in pregnant people, and the guidance that exists rests on how little of a topical product is expected to reach the bloodstream. The American College of Obstetricians and Gynecologists (ACOG) lists glycolic acid among the over-the-counter acne ingredients that can be used during pregnancy, and a 2011 review in Canadian Family Physician says topical use “should not be of concern.” Both statements come from professional bodies and reviewers, not from studies of glycolic acid in pregnancy.
This page reports what those sources say, quoting them, and says where the evidence stops. It gives no verdict of its own: whether a particular product is right for you in pregnancy or while breastfeeding is a question for your doctor, midwife or pharmacist. If you have already used a glycolic acid product, the answer to “should I worry” is covered in the FAQ below, and the short version is that your midwife can answer it for your product and your situation.
The Short Answer
| Question | What the sources support |
|---|---|
| Are there human pregnancy studies? | No. The 2011 review says studies of glycolic acid in human pregnancy “have not been conducted.” |
| What do professional bodies say? | ACOG lists glycolic acid among over-the-counter acne ingredients that can be used in pregnancy. The AAD does not list it as an ingredient to avoid. |
| Is there a concentration limit for pregnancy? | None of the sources read gives one. Nebraska Medicine says “small amounts” in over-the-counter products and “large quantities” not recommended, without defining either. |
| Breastfeeding? | LactMed (NIH) says it is considered safe during breastfeeding because it is unlikely to be appreciably absorbed, and to avoid skin the baby touches or could lick. Nebraska Medicine says it is generally safe while nursing; Cleveland Clinic says to check with a healthcare provider. No source reports a breastfeeding study. |
| What is clearly advised against? | Retinoids and hydroquinone are singled out by the AAD, the 2011 review and Nebraska Medicine (which says to limit hydroquinone). Glycolic acid is not. |
What Each Source Says
The table below puts each source’s statement on glycolic acid side by side, with its limits. The sources were fetched and read on 4 October 2026.
| Source | What it says about glycolic acid | Limits |
|---|---|---|
| ACOG, patient FAQ (last reviewed November 2025) | “Over-the-counter (OTC) products containing the following ingredients can be used during pregnancy”: topical benzoyl peroxide, azelaic acid, topical salicylic acid and glycolic acid. For anything not on the list, “contact your obstetrician–gynecologist.” | Appears in the answer on treating acne. No concentration or format is given. |
| Bozzo, Chua-Gocheco and Einarson, Canadian Family Physician, 2011 | “Using topical glycolic acid during pregnancy should not be of concern, as only a minimal amount is expected to be absorbed systemically.” | A review of absorption data, not a trial. It states that human pregnancy studies of glycolic acid “have not been conducted.” It is 15 years old. |
| American Academy of Dermatology, pregnancy skin care page (updated June 2025) | Does not list glycolic acid under ingredients to avoid or use sparingly. Dermatologist Heather Rogers “recommends applying a product containing vitamin C in the morning, and one containing glycolic acid in the evening.” | One dermatologist’s recommendation inside a general routine. No study or concentration is cited. |
| Nebraska Medicine, by an OB-GYN and a dermatologist (May 2023) | Glycolic acid “isn’t recommended in large quantities during pregnancy,” but is “likely safe in the small amounts commonly found in OTC beauty products,” and “generally safe to use while nursing.” | A health-system patient page. “Large” and “small” are not defined. |
| Cleveland Clinic, glycolic acid explainer (November 2025) | “Generally safe in pregnancy when used in low concentrations,” but anyone pregnant or breastfeeding “should still check with your healthcare provider before using it.” | “Low concentrations” is not defined. |
The pattern across the five is consistent in direction and thin in basis. None reports a study, and none sets a number.
Why the Evidence Is Thin
The 2011 review is the most detailed source, and it is open about its basis. It reports that “there have been several animal studies demonstrating adverse reproductive effects when glycolic acid was administered in high doses, much larger than those used in topical cosmetic products in humans.” It then states that studies in human pregnancy have not been conducted, and reasons from absorption: “only a minimal amount is expected to be absorbed systemically.”
Two qualifiers belong beside that. First, the review’s absorption table says glycolic acid absorption “into the skin” is “dependent on pH, concentration, and time.” That is absorption into the skin, not into the bloodstream, and it is why strength and contact time are the details worth telling a professional. Second, the review’s overall conclusion covers skin care products as a group: apart from hydroquinone and topical retinoids, they “are not expected to increase the risk of malformations or other adverse effects on the developing fetus.” That is an expectation, not a measured result for glycolic acid.
The regulatory sources do not fill the gap. The FDA’s alpha hydroxy acids page and its 2005 labeling guidance do not mention pregnancy or breastfeeding. The concentration and pH limits in that guidance (10% or less at a final pH of 3.5 or higher for consumer products) come from the Cosmetic Ingredient Review panel’s assessment of cosmetic safety in general, so they are not pregnancy limits.
If You Used It Before You Knew
This is the question most readers arrive with. The sources read for this page do not describe any case of harm to a pregnancy from a cosmetic glycolic acid product, and they do not say that none has occurred. What they offer is the absorption reasoning above and the professional lists. They cannot tell you about your product, how strong it was or how often you used it.
The useful step is practical: tell your midwife or doctor the product name, the label strength and roughly how often you used it, and ask them. The AAD advises telling your obstetrician and dermatologist about all the medications and prescription skin care you use. A product label with the ingredient list is more use to them than a description.
Cleansers, Toners, Serums and Peels
No source read for this page separates one glycolic acid format from another for pregnancy. The practical reading is limited to what the sources do say: the review ties absorption to pH, concentration and time on the skin, and ACOG’s list refers to over-the-counter products. A wash-off cleanser spends less time on the skin than a leave-on serum, but no source read here measures what that means in pregnancy, so this page does not claim it. See our guides to cleansers and peels for how the formats differ in general.
Professional peels are a separate question. None of the sources addresses in-clinic glycolic peels in pregnancy, and none distinguishes between trimesters. Nebraska Medicine’s warning about peels concerns salicylic acid at high doses, not glycolic acid. A practitioner needs to know you are pregnant before any peel, whatever the acid.
Breastfeeding
The breastfeeding evidence on this page is thinner still. The 2011 review concerns pregnancy. The two health-system pages differ in tone: Nebraska Medicine says glycolic acid is generally safe while nursing, and Cleveland Clinic says to check with a healthcare provider if pregnant or breastfeeding. Neither cites a breastfeeding study.
The NIH’s LactMed database, the usual reference for drugs and chemicals in breastfeeding (glycolic acid entry last revised August 2021), says “no information is available on the clinical use of glycolic acid (hydroxyacetic acid) on the skin during breastfeeding.” It concludes that “because it is unlikely to be appreciably absorbed or appear in breastmilk, it is considered safe to use during breastfeeding,” and adds one practical limit: “Avoid application to areas of the body that might come in direct contact with the infant’s skin or where the drug might be ingested by the infant via licking.” LactMed reports no measured levels in mothers or infants. Its own disclaimer says to consult a healthcare provider for breastfeeding advice about your situation.
The Ingredients Sources Do Advise Against
Clearer guidance exists for the ingredients that often sit alongside glycolic acid in a routine. The AAD says to avoid retinoids, including retinol and adapalene, and hydroquinone. The 2011 review says “women should not be encouraged to use topical retinoids during pregnancy,” after four published case reports of birth defects linked to topical tretinoin, and that hydroquinone, with 35% to 45% systemically absorbed, should be minimized “until further studies can confirm safety.” ACOG says it is “generally recommended” that topical retinoids be avoided. Our glycolic acid versus retinol guide compares the two for general use.
This is where glycolic acid differs from those ingredients in the sources: it is not on the avoid lists. It also shows why a routine check matters, because a product that pairs glycolic acid with retinol or hydroquinone falls under their cautions. Read the full ingredient list, not only the headline active.
Sun Protection and Pigmentation
Many people ask about glycolic acid in pregnancy because of melasma, the dark facial patches ACOG calls “the mask of pregnancy.” ACOG says it is caused by increased melanin, usually fades after birth, and that wearing “sunscreen and a wide-brimmed hat every day” helps stop it getting worse. The AAD recommends a broad-spectrum sunscreen of at least SPF 30 and, in pregnancy, a mineral sunscreen with zinc oxide or titanium dioxide; our house line is the same, SPF 30 or higher.
A separate point applies to glycolic acid itself. The FDA says AHAs may increase skin sensitivity to the sun while used and for up to a week afterwards, so sun protection matters whichever way the pregnancy question is settled. The detail is in our sun exposure guide, and the effects reported by users generally are in our side effects guide.
Questions Worth Asking
- What is the label strength of my product, and does it matter in my case?
- Should I stop now, pause for part of the pregnancy, or continue?
- What would you suggest for melasma or acne in the meantime?
- Does anything change while I breastfeed, including near the chest?
- Are any of my other products, such as retinol, hydroquinone or a high-strength salicylic acid, ones to stop?
Common Mistakes
- Treating a reassuring source as a trial. The reassuring statements here rest on absorption reasoning and professional lists, because pregnancy trials of glycolic acid do not exist.
- Reading “low concentration” as a number. Cleveland Clinic and Nebraska Medicine use the phrase without a figure. No source read gives a pregnancy cut-off.
- Overlooking the other ingredients in the product. Retinol, hydroquinone and high-strength salicylic acid are the ones the sources flag.
- Dropping sunscreen. Sun protection is advised for melasma and for AHA use, on separate grounds.
- Reading a clinic peel as the same question as a cleanser. No source read addresses it.
Sources Used for This Page
Every claim above comes from the sources below, fetched and read on 4 October 2026 (the AAD, ACOG, Nebraska Medicine and Cleveland Clinic pages as page text). The 2011 review was read in full on PubMed Central. LactMed was read in a browser on 4 October 2026. Drugs.com could not be opened and is not cited.
- Bozzo P, Chua-Gocheco A, Einarson A. Safety of skin care products during pregnancy. Can Fam Physician 2011;57(6):665-667.
- ACOG, Skin Conditions During Pregnancy (FAQ169, last reviewed November 2025).
- American Academy of Dermatology, Dermatologist-approved pregnancy skin care (updated 26 June 2025).
- Nebraska Medicine, Skin care dos and don’ts when pregnant or breastfeeding (17 May 2023).
- Cleveland Clinic, Glycolic acid (25 November 2025).
- NIH, Drugs and Lactation Database (LactMed), Glycolic Acid (last revised 16 August 2021).
- FDA, Alpha Hydroxy Acids, and Guidance for Industry: Labeling for Cosmetics Containing Alpha Hydroxy Acids (January 2005).
For how this site chooses and cites sources, see the methodology on our About page.
Frequently Asked Questions
What does the evidence actually say about glycolic acid in pregnancy?
There are no human pregnancy studies of glycolic acid, and the guidance that exists rests on how little reaches the bloodstream. A 2011 review in Canadian Family Physician says that studies of glycolic acid in human pregnancy “have not been conducted” and that topical use “should not be of concern, as only a minimal amount is expected to be absorbed systemically.” The American College of Obstetricians and Gynecologists (ACOG) lists glycolic acid among over-the-counter acne ingredients that can be used during pregnancy. Neither is a trial of glycolic acid in pregnant people.
I used glycolic acid before I knew I was pregnant — should I worry?
The sources read for this page do not describe any case of harm from a cosmetic glycolic acid product in pregnancy, and they do not rule one out either. The review above reports animal studies showing adverse reproductive effects only at doses “much larger than those used in topical cosmetic products in humans,” and expects minimal absorption into the body. It cannot speak to your product, strength or how often you used it. Tell your midwife or doctor what you used, with the product name and how often, so they can answer for your situation.
Does it matter whether it's a cleanser, a toner or a peel?
No source read for this page compares formats for glycolic acid in pregnancy. The one absorption figure in the review is a general one: glycolic acid absorption into the skin is “dependent on pH, concentration, and time.” That points to strength and time on the skin as the variables that matter, rather than the product category. Our percentage guide explains how to read the strength on a label.
Are in-clinic glycolic peels different?
None of the sources read for this page addresses in-clinic glycolic acid peels in pregnancy, and none distinguishes between trimesters for glycolic acid. ACOG’s list covers over-the-counter products, and the review concerns cosmetic products. A clinic peel is a professional’s decision, so tell the practitioner you are pregnant before any treatment is booked.
Can I use glycolic acid while breastfeeding?
The two health-system pages read for this page differ in tone. Nebraska Medicine, in a page by an OB-GYN and a dermatologist, says glycolic acid is “generally safe to use while nursing.” Cleveland Clinic says to check with a healthcare provider if you are pregnant or breastfeeding. Neither cites a breastfeeding study. The NIH’s LactMed database (last revised August 2021) says no information is available on glycolic acid used on the skin during breastfeeding, and that “because it is unlikely to be appreciably absorbed or appear in breastmilk, it is considered safe to use during breastfeeding.” It adds: “Avoid application to areas of the body that might come in direct contact with the infant’s skin or where the drug might be ingested by the infant via licking.”
Which skincare ingredients are usually advised against in pregnancy, and where does glycolic acid sit?
The American Academy of Dermatology (AAD) says to avoid retinoids, including retinol and adapalene, and hydroquinone, plus some prescription medicines. It lists salicylic acid at high doses (greater than 2%), benzoyl peroxide, parabens, phthalates, phenol, triclosan and some essential oils as ingredients to use sparingly and discuss with a dermatologist. Glycolic acid is on neither of the AAD’s lists, and one of its dermatologists recommends it for evening use. Sources differ on benzoyl peroxide: ACOG says topical benzoyl peroxide can be used, while Nebraska Medicine says it is best avoided in pregnancy.
How does it compare with salicylic acid?
On both, sources say little from direct evidence. The 2011 review says no pregnancy studies of topical salicylic acid exist but that, because a small proportion is absorbed, it is “unlikely to pose any risk to a developing baby.” The difference is dose: the AAD and Nebraska Medicine both single out high-dose salicylic acid, above 2% or in peels, while glycolic acid appears on neither’s caution list. ACOG lists both on its over-the-counter acne list. Our glycolic versus salicylic acid comparison covers how they work.
What do people use for pregnancy melasma and acne, and what are the alternatives?
ACOG’s advice for melasma is daily sunscreen and a wide-brimmed hat, and it says melasma usually fades on its own after the birth. For acne it advises a mild cleanser twice a day, and lists benzoyl peroxide, azelaic acid, salicylic acid and glycolic acid as over-the-counter ingredients that can be used. The AAD names hydroquinone and retinoids as ingredients to avoid, and its dermatologist Heather Rogers recommends vitamin C in the morning and glycolic acid in the evening to help prevent and treat changes to skin color. For what to use for your own skin, your dermatologist or ob-gyn can weigh the options.
Why does sun protection matter more in pregnancy?
No source read for this page says pregnant skin burns more easily. ACOG’s point is about melasma: it says the patches come from an increase in melanin and that daily sunscreen and a hat help stop melasma getting worse. Separately, the FDA says alpha hydroxy acids may increase sun sensitivity while used and for a week afterwards, which is covered in our sun exposure guide. Both the AAD and Nebraska Medicine point pregnant readers to mineral sunscreens with zinc oxide or titanium dioxide.
What should I ask my doctor or midwife?
Useful questions: what percentage and pH does this product have, and does that matter for me; should I stop it now, pause until after the first trimester, or carry on; what should I use for melasma or acne instead; and if I am breastfeeding, does anything change for products used near the chest? The AAD advises telling your obstetrician and dermatologist about all the medications and prescription skin care you use, and ACOG says to contact your ob-gyn about any over-the-counter product containing an ingredient not on its list.