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Ingredients

Actives in pregnancy, and what comes off the shelf.

Most advice on this is a list of bans with no reasons attached, which leaves people either anxious about a moisturiser or ignoring the whole thing. Here is what is set aside, what generally stays, and — the part usually left out — why. For the clinic rather than the bathroom, read skin in pregnancy.

Reference, not recommendation · Registered nurse–led · Springvale, Victoria

Why the caution

Absent evidence, not demonstrated harm.

Nearly every ingredient set aside in pregnancy is set aside because nobody has studied it in pregnancy. Not because it was tested and found to cause damage.

The reason is straightforward. You cannot run a trial of a skincare active on pregnant women; no ethics committee approves that study, and none should. So the evidence that would settle the question does not exist and is not going to, and the lists everyone copies from each other are built on the hole.

The honest response to absent evidence is to wait, not to reassure you. A clinic that tells you something is fine when the data does not exist has given you its opinion wearing the clothes of information.

It cuts the other way too, and that half gets said far less often. Absence of evidence is not evidence of harm either. If you used something for three weeks before a positive test, you have not done something to your baby — you have done something nobody has measured. Those are different sentences, and the second is a short conversation with your GP or midwife.

One class sits outside this: the vitamin A family, where the caution rests on more than a gap. It is the first entry below.

Set aside

The list is shorter than people fear.

General positions, not advice about you. Where something came from a doctor, the doctor who prescribed it rules on it.

The vitamin A family — the whole class
Retinol, retinal, retinyl esters, and the prescription-strength ones a doctor prescribes. All of it, set aside for the duration and usually while trying to conceive. This is the class where the caution is not only a gap in the evidence — high-dose vitamin A taken orally is long established as a problem in pregnancy. A cream is not a tablet, and how much a cream delivers is genuinely unclear. Nobody is running the study that would find the line, so the family is treated as one.
Prescription pigment creams
The prescribed lightening preparations are set aside, and the decision belongs to whoever wrote the script. Worth knowing separately: the pigment change people most want to treat very often settles on its own in the months after birth, and chasing it hard while it is still arriving tends to make it worse.
Professional-strength peels and strong home acids
Clinic peels are set aside — see skin in pregnancy for the treatment side. At home the question is strength rather than category: a low-percentage acid in a cleanser is a different object to a 30 per cent leave-on, and the two get lumped together.
Anything oral
Supplements, acne tablets, herbal preparations, high-dose vitamins. None of it is ours. Your GP, midwife or pharmacist every time, including anything from a health food shop — especially those.
Strong essential oil blends
Poorly studied, and heavily represented in the ranges marketed at pregnancy. “Natural” carries no information here — it describes where a molecule came from, not what it does. A pharmacist can read a specific blend in about a minute.

Nothing here is withdrawn. It is deferred, and it comes back afterwards on a timeline your GP or midwife sets.

What remains

Told to stop, never told what’s left.

The more useful half, and it almost never gets written down. People are handed a list of bans, hear nothing about the remainder, and conclude the answer is to use nothing. A pared-back routine is not nothing. For most people it is what suits pregnant skin best anyway.

Sunscreen — more important, not less
The one that matters most. Its own section is below.
Gentle cleansing and moisture
Glycerin, hyaluronic acid, ceramides, squalane, plain unscented emollients. Skin stretching over a changing shape gets dry and often itchy, and this is the unglamorous work that helps. Itching that is intense, widespread or worse at night is a GP or midwife conversation, not a moisturiser one.
Niacinamide
Commonly regarded as reasonable to continue, and usually well tolerated by skin that has turned reactive. It supports the barrier rather than driving change, which is the right job description for these months.
Vitamin C
Topical ascorbic acid is generally continued. It gets confused with the vitamin A family because both are vitamins on a bottle — they are unrelated, and only one of them is the problem.
Salicylic acid — ask, and expect disagreement
The most argued-over entry here, and reputable sources genuinely disagree — which is itself the useful information. Low-strength washes and leave-ons are widely regarded as reasonable; the position hardens as strength and coverage go up. Your pharmacist, with the actual product in hand.
Azelaic acid
Often suggested as the stand-in for what has been set aside. Some strengths sit on a pharmacy shelf and stronger ones need a prescription, so ask about the product rather than the ingredient.
Benzoyl peroxide
Commonly regarded as reasonable at over-the-counter strengths, and one of the few remaining options for breakouts — a frequent complaint in the first months. Confirm the specific product with your pharmacist.

Every “generally” and “commonly regarded” above is doing real work. General positions, not a ruling on the bottle in your hand.

The one that matters

Sunscreen does more than everything else combined.

Pigment change is the most common thing people report about their skin in pregnancy — darkening across the cheeks, forehead and upper lip. Sun is the biggest lever on how pronounced it gets, which makes daily sunscreen the highest-value item here, and the cheapest.

It settles nothing on its own. Some pigment change happens regardless, because the driver is hormonal and sun is an amplifier rather than the cause. It is still the best return available — and available when most of the alternatives are not.

On mineral versus chemical filters: sunscreens sold in Australia are regulated by the TGA and there is no established reason to switch. Some people prefer mineral formulas in pregnancy, which is a preference rather than a finding. The sunscreen that works is the one you put on every morning — a bottle you dislike and skip three days a week is worse than an ordinary one used daily.

A hat does more than a higher SPF number, and shade at the wrong end of the day does more than either. Uninteresting, and it is the part that changes the outcome.

Who decides

Not a web page, and not us.

Anything specific — that bottle, that strength, that stage of your pregnancy — is a question for your GP, midwife or pharmacist. We describe what ingredients are and what they do. We do not advise on medicines and we do not manage pregnancy.

The pharmacist is the most under-used answer here. Free, no appointment, open on a Saturday, trained precisely in the question you are asking. Most people go to a forum instead, which is how a moisturiser ends up frightening someone at eleven at night.

Bring the ingredient list rather than the product name. A name tells you nothing — two products from one range can be entirely different objects — and a photograph of the back of the bottle answers it in seconds. Bring the whole lot to your consultation too, including what you use only occasionally.

Questions

Asked about what’s in the cupboard.

Answered the way they would be answered in the room.

What skincare ingredients should you avoid during pregnancy?

The main one is the vitamin A family in full — retinol, retinal, retinyl esters and the prescription-strength versions. Also set aside: prescribed pigment-lightening creams, professional-strength peels and high-percentage home acids, strong essential oil blends, and anything taken by mouth without your doctor's say-so. The list is shorter than most people expect. Cleansers, moisturisers, sunscreen and most barrier ingredients are generally unaffected, which leaves a workable routine rather than nothing.

I used retinol before I knew I was pregnant — does it matter?

Stop using it, and raise it with your GP or midwife at your next appointment rather than searching for reassurance overnight. This is a common situation and they deal with it regularly. Worth holding onto while you wait: the caution around this class is not built on evidence that a cream caused harm — it is built on the absence of any study at all, because those studies are not run on pregnant women. That is a genuinely different thing, and it is theirs to talk you through, not ours.

Can you use vitamin C while pregnant?

Topical vitamin C is generally continued through pregnancy. It gets caught up in the confusion because both it and the vitamin A family are vitamins on a bottle, but they are unrelated ingredients doing unrelated jobs and only one of them is the issue. Practical note unrelated to pregnancy: vitamin C oxidises with light and air, so a serum that has turned orange has stopped working and is worth replacing rather than persisting with.

Is salicylic acid okay to use in pregnancy?

This is the one where reputable sources genuinely disagree, and knowing that is more useful than a confident answer. Low-strength washes and leave-on products are widely regarded as reasonable; the position tightens as the strength and the area covered increase, and anything taken by mouth is a separate question entirely. Take the actual product to a pharmacist rather than working from the ingredient name — the percentage and the format change the answer.

Can you use niacinamide when pregnant?

Niacinamide is commonly regarded as reasonable to continue, and it is usually well tolerated by skin that has become reactive — which happens often in pregnancy. It supports the barrier rather than pushing skin to change, which is the right emphasis for these months. It is frequently suggested as something to keep when other actives come out of a routine. As with everything here, check your specific product with a pharmacist if you want it confirmed.

What sunscreen should you use during pregnancy?

The one you will wear every day. Sunscreens sold in Australia are regulated by the TGA, and there is no established reason to switch formulas because you are pregnant. Some people prefer mineral filters during pregnancy, which is a preference rather than a finding. Wear it daily, because pigment change is the most common skin complaint in pregnancy and sun makes it more pronounced. A hat and shade do more than moving up a few SPF points.

Do the same rules apply while breastfeeding?

Not identically. More is generally available than during pregnancy, and the considerations shift — what matters is less about what crosses to a baby in the womb and more about what is on your skin where a baby makes contact. The vitamin A family is still usually deferred. Because it works differently, it is worth a specific conversation with your GP, midwife or pharmacist rather than assuming the pregnancy list carries over unchanged in either direction.