Is fake tan safe during pregnancy?

The verdict

Lotions and creams, yes. Spray tans and booths, not while the question of what you inhale is open.

The active ingredient in almost every self-tanner is dihydroxyacetone (DHA), a colour additive that darkens skin by reacting with amino acids in the outermost layer. The reaction stops there - the pigment forms in dead cells you shed within a week or two. As a lotion, mousse or gradual tanner it is not meaningfully absorbed, and there is no route by which it reaches a pregnancy.

The FDA's position is the sharpest available: DHA is approved as a colour additive for external application only, and has never been approved for spray booths, the eye area, the lips, or any surface covered by mucous membrane.

What "external application only" actually means

This is a regulatory phrase with a precise definition, and it is the whole of the safety argument.

DHA is listed in US regulations as a colour additive for imparting colour to the human body, but its cosmetic use is restricted to external application under 21 CFR 73.2150. "Externally applied" cosmetics are those applied only to external parts of the body and not to the lips or any surface covered by mucous membrane. The FDA states that industry has not provided safety data for it to consider approving DHA for those routes, and names "misting" from tanning booths among them. DHA is also not permitted in the eye area.

None of that says DHA is dangerous. It says a route of exposure has never been assessed, because nobody submitted the data.

The spray booth problem

A lotion is applied by hand to skin. An all-over spray is not so easily contained. The FDA puts it plainly: when using DHA-containing products as an all-over spray or mist in a commercial spray tanning booth, it may be difficult to avoid exposure in a manner for which DHA is not approved, including the area of the eyes, lips or mucous membrane, or even internally.

It then gives three questions to ask any salon: are consumers protected from exposure in the entire area of the eyes; on the lips and all parts covered by mucous membrane; and from internal exposure caused by inhaling or ingesting the product. If the answer to any is no, the FDA says the consumer is not protected from unapproved use of the additive. It also reports adverse events from sunless tanning including rashes and - primarily with spray booths - coughing, dizziness and fainting.

Nose plugs, eye protection, lip balm and holding your breath during the pass are the standard salon mitigations. Whether they are sufficient is not something any regulator has assessed.

How much is too much

No authority publishes a limit on how often you can apply self-tanning lotion in pregnancy. There are concentration limits, and they differ by country:

• EU: capped at 10% in self-tanning products and 6.25% in non-oxidative hair colouring, under Annex III as amended in 2021. The scientific opinion behind it assessed spray cabins at up to 14% as not posing a risk, but that figure was never written into law.
• Great Britain: no limit. DHA does not appear anywhere in the GB retained Cosmetics Regulation annexes - the 2021 amendment came after the UK left.
• US: no numerical limit either. DHA is permitted "in amounts consistent with good manufacturing practice" in externally applied cosmetics, with the route of application doing the restricting.
• Canada: DHA is not on the Cosmetic Ingredient Hotlist.

Two practical points are worth more than those numbers. Patch test every time - pregnancy changes skin reactivity, and a product you used before can react now. Expect uneven results - hormonal changes affect skin pH, oiliness and pigmentation, so fake tan can develop patchily over areas that have darkened naturally.

Fake tan gives no sun protection, and there is a law about saying so

A DHA tan is a stain in dead surface cells, not melanin, and it does not shield you from UV. US regulations require every self-tanning product without added sunscreen to carry a warning that it does not protect against sunburn, and that repeated exposure of unprotected skin while tanning may increase the risk of skin ageing and skin cancer even if you do not burn. Sunscreen still applies - and pregnancy skin is more prone to pigmentation, making it more rather than less important.

Three things to avoid outright

Tanning injections and nasal tanning sprays sold as melanotan are not cosmetics. The MHRA classifies melanotan injections as unlicensed medicines whose sale and supply is not permitted, and its most recent advice is that anyone using them should stop immediately. Nasal sprays sit in a regulatory gap - sold cosmetically they escape medicines law, but are also not covered by UK cosmetics regulations, so there is no expert safety assessment and often no warnings.

Tanning pills are not approved anywhere. The FDA states there are no such pills approved for this purpose and that imported tanning pills containing canthaxanthin are subject to automatic detention as products containing unsafe colour additives.

Sunbeds are a separate hazard - UV rather than chemical - and are not made safer by pregnancy. The NHS no longer publishes a pregnancy-specific sunbed page; its sun safety guidance relays Cancer Research UK's advice not to use sunbeds.

If you have already had a spray tan

Nothing follows, and there is nothing to test for. The FDA's position is about an unassessed exposure route, not a documented harm, and no authority describes monitoring or follow-up after a spray tan in pregnancy. DHA is not a recognised reproductive toxin. If you felt unwell in the booth - coughing, dizziness, lightheadedness - that matches what the FDA has had reported, but it resolves. For the rest of the pregnancy, a lotion applied at home answers the same need without the inhalation question.

Where guidance differs, and where it has gone missing

The US is the only jurisdiction with a formal position on route of application. The FDA's restriction of DHA to external application, its statement that spray booth use is unapproved, and its three consumer questions are the most substantive official guidance anywhere. Its blunter phrasing elsewhere: DHA should not be inhaled, ingested, or exposed to areas covered by mucous membranes, because the risks, if any, are unknown.

The EU and Great Britain have genuinely diverged. The EU wrote DHA into Annex III in 2021 with a 10% cap. Great Britain did not, and DHA appears nowhere in the GB annexes. The same bottle is subject to a legal concentration limit in Dublin and to none in London.

The UK has withdrawn its consumer page entirely. The NHS previously published a page saying fake tan creams and lotions are generally considered safe, that DHA is not thought to go beyond the outer layer of skin so it cannot harm your baby, that it is probably best to avoid spray tans because the effects of inhaling the spray are not known, and that a patch test is advisable because hormone changes can make skin more sensitive. Its last archived capture is April 2024; the URL now redirects elsewhere and no replacement exists. The text survives only on GP practice websites that syndicate NHS content, which is why it still looks current in search results.

Health Canada, FSANZ, New Zealand and the Australian chemicals regulator publish nothing. DHA is not even on Health Canada's Hotlist. ACOG does not address it either - notable, because it addresses hair dye twice.

So: one regulator has a concentration limit, one has a route-of-application restriction, one deleted its consumer advice, and the rest are silent. On the substance, the FDA and the retired NHS page agreed - lotions are fine, sprays are the open question - and nothing since has contradicted either.