"Hypoallergenic" is not a regulated term. The FDA states plainly that there are no federal standards or definitions governing its use, and that manufacturers are not required to submit substantiation of hypoallergenicity claims to the agency. "Non-comedogenic" has no federal definition either. The ingredient list, not the front of the jar, carries the enforceable information.
That gap is not a scandal, and it does not make either phrase meaningless in practice. It does mean the two claims sit in a different evidentiary category from, say, an SPF number. Knowing which category a phrase belongs to is most of the work of reading a beauty label well.
Does "hypoallergenic" mean a product was tested for allergic reactions?
Not necessarily, and nothing on the label tells you either way. According to the FDA's page on the claim, "there are no Federal standards or definitions that govern the use of the term 'hypoallergenic,'" and "the term means whatever a particular company wants it to mean."
The agency did try to fix that. The FDA proposed a regulation in February 1974 that would have required comparative testing to support the claim, and finalized it in June 1975, per the agency's own account of the episode.
The cosmetics manufacturers Almay and Clinique challenged the rule in court. The U.S. Court of Appeals for the District of Columbia held the regulation invalid, the FDA writes, on the grounds that the agency had not demonstrated that consumers perceive the term the way the regulation described.
The practical result, in the FDA's words, is that manufacturers "may continue to label and advertise their cosmetics as 'hypoallergenic' or make similar claims without any supporting evidence." The agency also notes that dermatologists say the term has very little meaning.
None of that makes a hypoallergenic-labeled product a bad one. Plenty of brands that use the word do run patch testing and do build short, low-irritant formulas. The label alone simply cannot distinguish those brands from the ones that printed the word because it sells.
Who decides what "non-comedogenic" means?
Effectively, the company printing it. The FDA's cosmetics labeling claims guidance says the agency "does not have a list of approved or accepted claims for cosmetics" and does not review cosmetic labeling before products reach the market. The only baseline requirement it states is that labeling, including claims, "must be truthful and not misleading."
The term itself is used by clinicians. In the American Academy of Dermatology's guidance on choosing a moisturizer, the group advises readers with very dry skin to look for a product "labeled as 'non-comedogenic,' meaning it doesn't block pores." So the phrase describes a real formulation goal that dermatologists recognize.
What it does not come with is a federal definition, an approval step, or any obligation to show the agency the work. Two products carrying the same phrase may have been assessed by very different internal standards.
For a reader with acne-prone skin, that argues for treating "non-comedogenic" as a starting filter rather than a guarantee, and for reading what is actually in the bottle underneath the claim.
What is the ingredient list legally required to tell you?
More than the front label, but less than most people assume. Under 21 CFR 701.3, the federal regulation on cosmetic ingredient declaration, a cosmetic package "shall bear a declaration of the name of each ingredient in descending order of predominance."
That descending order is where the useful reading happens — until it stops. The same regulation provides that ingredients other than color additives present "at a concentration of not more than 1 percent" may be listed "without respect to order of predominance."
So the tail of a long ingredient list is not a ranking. An active you were hoping to find high in the formula can legally appear anywhere below the 1 percent line, in any order the manufacturer chooses.
Two further provisions matter. The regulation allows that "fragrance or flavor may be listed as fragrance or flavor" — one word standing in for a blend. And it permits a trade secret exemption under which "the phrase 'and other ingredients' may be used at the end of the ingredient declaration."
Why does the fragrance line matter if your skin reacts?
Because a single-word listing collapses a category that dermatology associates with contact reactions. Mayo Clinic's overview of contact dermatitis names balsam of Peru, "used in many products, such as perfumes, toothpastes, mouth rinses and flavorings," among common allergens, alongside formaldehyde, "which is in preservatives, cosmetics and other products."
Mayo Clinic also describes the timing that catches people out: "People often become sensitized to allergens after many contacts with it over years," and once sensitized, "even a small amount of it can cause a reaction." A product you have used happily is not automatically a product you will keep tolerating.
The AAD's moisturizer guidance takes the simpler route for dry skin and advises avoiding items with fragrance, "because they can be irritating to dry skin," along with alcohol and alpha hydroxy acid. Its recommended ingredients for that same category include ceramides, described as "waxy lipid molecules that help hydrate skin," and hyaluronic acid.
If you are trying to identify what your skin reacted to, the fragrance line is the part of the list that will not help you, and the reason a dermatologist's patch testing exists. This is information, not a diagnosis.
Which label claims actually have a definition behind them?
A few do, and they are narrower than they sound. The FDA's guidance on "alcohol free" explains that in cosmetic labeling, "alcohol," used by itself, refers to ethyl alcohol — so a product carrying the claim may still contain cetyl, stearyl, cetearyl or lanolin alcohol, which the agency notes are fatty alcohols that behave differently on skin.
| Label claim | Defined by federal regulation? | What the phrase alone tells you | Source |
|---|---|---|---|
| Hypoallergenic | No | Nothing verifiable; no substantiation is filed with the agency | FDA |
| Non-comedogenic | No | A stated formulation goal — not blocking pores — with no approval step | FDA; American Academy of Dermatology |
| Alcohol free | Partly — the term "alcohol" alone means ethyl alcohol | No ethyl alcohol; fatty alcohols may still be present | FDA |
| Ingredient list order | Yes | Descending predominance, except for ingredients at 1 percent or less | 21 CFR 701.3 |
| "Fragrance" | Yes, as a permitted single-word listing | A blend is present; its components are not itemized | 21 CFR 701.3 |
Read that way, the hierarchy on a beauty package is fairly clean. The regulation-backed parts of the label — the ordered ingredient declaration and the handful of defined terms — are the parts you can hold to a standard. The marketing adjectives above them are a brand's own claim about itself, and that is exactly how they are worth reading.
For a related beauty news perspective, read What the SPF Number on Your Sunscreen Label Actually Means.