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Are Self-Tanners Safe?

Here’s What You Should Know

If you're like me, you love the look of a sun-kissed glow... but not the sun damage that can come with it. Enter: self tanners — the bronzing solution that’s supposed to give you color without the harmful UV exposure.

But lately, a lot of you have been asking: Are self-tanners actually safe?

Let’s break it down — medical hat on but explained in plain English, SBS-style.

What’s Inside Self-Tanners?

Most {perhaps ALL} self-tanners on the market use an active ingredient called dihydroxyacetone (DHA). DHA is a color additive that reacts with the top layer of your skin (the dead skin cells) to temporarily darken its appearance — basically creating that "tan" effect without altering your skin’s DNA like UV radiation does.

Sounds great, right?

Mostly, yes. But there’s important fine print.

DHA Use Restrictions: U.S. vs. Europe

Here’s where things get interesting:

  • In the United States, DHA is approved only for external use. It’s not FDA-approved for use on areas where it could be inhaled or ingested — meaning spray tans (especially around the face and mucous membranes like your eyes, nose, and mouth) are in a regulatory gray zone. The United States government does not cap the % DHA allowed in products.
  • In the European Union, DHA is also considered safe for topical use but regulated more tightly: the concentration of DHA is capped (currently up to 10% in self-tanning products), and product labeling must include stricter warnings and safety instructions.

KEY POINT: From my research of percentage DHA in self tanner products you can buy at the store in the U.S., the amount is generally around 5-6% DHA. So although DHA is not regulated with a max percentage in the U.S. most brands in the U.S. are meeting the E.U. regulation.

Translation?

Topical self-tanners (like lotions, mousses, and drops) are generally considered safe when used as directed. Spray tans, however — especially if you're breathing them in — are a bit riskier.

It takes a bit of clicking and work to find % DHA in self tanner products, but it is possible! For your own peace of mind you can check any product before purchading.

I also always check the EWG Healthy Living app.

My opinion is that added fragrance is more of a concern in self tanner products than the actiev ingreident DHA itself.

Are There Any Risks With Self-Tanners?

Here’s the deal:

  • Topical self-tanners: If you apply self-tanner to intact skin (no broken cuts or wounds) and avoid mucous membranes (eyes, nose, mouth), the risk is extremely low.
  • Spray tans: The main concern is inhaling DHA, which has not been proven safe for prolonged inhalation. We simply don’t have long-term studies yet.

There’s also a small risk of allergic reactions or skin irritation, though it's uncommon.

Pro Tip: Always patch test new self-tanners before full-body application — especially if you have sensitive skin!

How to Use Self-Tanners Safely

  • Stick to topical formulations you can control (lotions, mousses, serums).
  • Avoid inhalation — if you do go for a spray tan, use nose plugs and lip balm, and keep your eyes closed tightly.
  • Exfoliate first, then apply to clean, dry skin for even results.
  • Wash your hands thoroughly after application unless you’re using a mitt (which I highly recommend).

If you're looking for safe self-tanners I trust and recommend, check out my curated list here!

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The products featured here may contain affiliate links.

Final Thoughts: Are Self-Tanners Worth It?

Compared to real sun exposure (and its real risk of skin cancer and premature aging), self-tanners are absolutely the safer choice.

But — like with anything in skincare — understanding how to use them properly is key.

When in doubt, opt for topical, non-aerosol formulas, follow the instructions, and enjoy that bronzed glow without the UV damage.

Quick FAQs: Self Tanner Safety

Is DHA toxic?

When applied externally and correctly, DHA is considered safe. Inhalation, however, has not been fully studied.

How long does a self-tanner last?

Most last 3–7 days depending on your skin type, product, and skincare routine.

What's the difference in DHA regulation between the US and EU?

In the US, the FDA treats DHA as a color additive that is permitted for externally applied cosmetics “in amounts consistent with good manufacturing practice” (no numeric cap in the regulation), while warning against use that leads to inhalation or exposure of eyes/mucous membranes. 

In the EU, DHA has an explicit legal limit — maximum 10% in self-tanning products (and 6.25% for non-oxidative hair dyes) under Annex III of the Cosmetics Regulation, based on the SCCS safety opinion.

Are spray tans bad for you?

They're not inherently bad, but inhaling DHA mist could pose unknown risks. Use protective gear if getting a spray tan.