BHT (butylated hydroxytoluene) is not banned in the United States. It holds “Generally Recognized as Safe” (GRAS) status from the FDA and is legally permitted in food, cosmetics, and packaging. However, several countries restrict its use, the European Union caps concentrations in cosmetics, and growing safety concerns have prompted both regulatory reviews and voluntary removals by major food companies.
BHT’s Legal Status in the U.S.
The FDA classifies BHT as a permitted food additive under multiple sections of the Code of Federal Regulations. It can be added directly to foods like dry breakfast cereals (up to 50 parts per million) and emulsion stabilizers for shortenings (up to 200 ppm). These limits apply to the total combined amount of BHT and its close relative BHA when both are used together.
It’s worth noting that BHT’s GRAS designation dates back decades, and the science has evolved considerably since then. In February 2026, the FDA announced it would conduct a safety assessment of BHT following a similar review of BHA. The agency has not yet begun that formal review, but the announcement signals that regulators are taking a fresh look at a chemical that has largely gone unexamined at the federal level for years.
Where BHT Faces Restrictions
The picture outside the U.S. is more complicated. The European Union does not ban BHT in food outright, but it enforces stricter concentration limits and requires it to be clearly labeled. For cosmetics sold in Europe, the EU’s Scientific Committee on Consumer Safety concluded that BHT is safe only up to 0.8% in leave-on and rinse-off skin products, 0.1% in toothpaste, and just 0.001% in mouthwash. Those limits were set specifically because of concerns about BHT’s potential to interfere with hormones.
Some countries go further. Japan and certain other nations have imposed tighter restrictions or outright bans on BHT in specific food categories. Australia and New Zealand permit it but regulate it more narrowly than the U.S. does. The overall global trend is toward tighter controls rather than looser ones.
One common point of confusion: California’s Proposition 65 list includes BHA (butylated hydroxyanisole), which is chemically related to BHT but not the same compound. BHA has been listed as a carcinogen under Prop 65 since 1990. BHT itself is not on that list, though the two are often used together and frequently conflated in public discussion.
Why BHT Raises Health Concerns
BHT is a synthetic antioxidant. In food, it prevents fats and oils from going rancid. In cosmetics and packaging, it serves the same preservative role. The concern isn’t what it does in the product. It’s what it may do in your body.
Research has linked BHT to oxidative stress, inflammation, and hormonal interference. It can accumulate in body tissues over time, and its effects on the nervous, endocrine, and skeletal systems are still not fully understood. A 2025 study published in Nature’s Scientific Reports found that BHT exposure in zebrafish disrupted a key signaling pathway involved in skeletal development, leading to spinal cord defects and scoliosis. While zebrafish studies don’t translate directly to humans, they use biological pathways that are highly conserved across species, making the findings relevant to ongoing safety discussions.
The endocrine disruption question is particularly persistent. Multiple studies suggest BHT can interfere with hormone signaling, which is why European regulators explicitly cited those concerns when setting their cosmetic concentration limits. For a chemical that shows up in cereal, lip balm, and food packaging, even small effects could matter given how frequently people encounter it.
Major Brands Are Quietly Moving Away
Regardless of what regulators decide, the market is shifting. Several major food manufacturers have announced plans to remove BHT from their products, though follow-through has been uneven. Kellogg’s publicly committed to removing BHT and artificial dyes from its cereals, and it did so in Canada and Europe. In the United States, however, the company continued selling products with BHT. That gap drew an investigation from the Texas Attorney General’s office, which accused Kellogg’s of misleading consumers by advertising products as healthier while keeping the same ingredients on U.S. shelves.
General Mills removed BHT from its cereals years ago, replacing it with natural alternatives like mixed tocopherols (a form of vitamin E). The fact that viable alternatives exist is part of why consumer pressure has been effective. BHT isn’t irreplaceable. It’s just cheap and familiar to manufacturers.
How to Reduce Your Exposure
If you want to avoid BHT, check ingredient labels on breakfast cereals, snack foods, and anything containing preserved fats or oils. In the U.S., BHT must be listed when it’s added directly to food. It can also migrate into food from packaging materials, which is harder to identify from a label.
For cosmetics and personal care products, BHT appears in everything from moisturizers to lip products to sunscreen. The Environmental Working Group’s Skin Deep database and similar tools can help you identify which products contain it. Look for brands that specifically advertise “BHT-free” formulations if this is a priority for you.
Choosing cereals from brands that have already reformulated, buying oils in smaller quantities so they’re used before going rancid, and selecting personal care products with natural preservatives are all practical steps. None of these require dramatic lifestyle changes, just a few minutes of label reading.