The word shows up on a lot of products. Here's what stands behind it when it's done properly.

"Hypoallergenic" means a product is formulated to be less likely to trigger an allergic reaction — useful to know if you or your family have sensitive skin. But it's worth understanding what the word does and doesn't guarantee, and what a proper test actually looks like.

What the word means — and what it doesn't

Hypoallergenic doesn't mean "impossible to react to." No product can promise that, because skin sensitivity varies from person to person. What it should mean is that a product has been formulated and tested to minimize the likelihood of irritation. The key word is tested — because without testing, "hypoallergenic" is just a claim on a label.

How a proper skin test works

One of the recognized methods is the Repeat Insult Patch Test (RIPT). It's more involved than it sounds, and the rigor is the point:

Patch. The product, or its key ingredients, is applied to the skin under a patch.

Induction. Over about three weeks, a series of patches is applied repeatedly, each worn for around 48 to 72 hours, to see whether the skin becomes sensitized.

Rest. A rest period of roughly two weeks follows, giving any delayed reaction time to surface.

Challenge. A final patch is applied, and the skin is checked at intervals afterward to assess the response.

Evaluation. The results are reviewed and interpreted against established criteria.

Run properly, this takes weeks and involves real testing on a panel of participants — not a quick check.

What we do

Our formulas are tested for skin compatibility by PCR, an independent testing organization based in the U.S., using this kind of established method and meeting local regulatory standards. When you see the PCR certification mark on our packaging, that's what it stands for: skin compatibility confirmed by an independent third party, not just a word we printed ourselves.

We won't tell you our products are impossible to react to — no honest brand can. What we can tell you is that we've had them properly tested, and that the mark on the bottle points to a real, independent evaluation you can look into yourself.