“Mission Tortillas use azodicarbonamide, the exact same chemical found in CeraVe acne treatments to bleach flour and make dough stretchy. It is banned across Europe and Australia because it breaks down into a breathing hazard and a carcinogen when baked. When you eat this, your body has to process a synthetic foaming agent meant for yoga…”

On whether Mission tortillas contain ADA: azodicarbonamide does not appear on any Mission flour tortilla ingredient list I retrieved. Mission's own site lists for its burrito tortillas <cite index="26-4">enriched bleached flour (flour, niacin, reduced iron, thiamine mononitrate, riboflavin, folic acid), water, vegetable shortening (interesterified and hydrogenated soybean oils), and 2% or less of salt, sugar, baking soda, sodium acid pyrophosphate, distilled monoglycerides, fumaric acid, and calcium propionate and sorbic acid</cite>. The same pattern holds for <cite index="26-3">Street Tacos flour tortillas</cite> and <cite index="26-6">Fajita flour tortillas, which add enzymes</cite>. Retailer label transcriptions match: <cite index="25-6">Mission Super Soft Flour Tortillas, Burrito Size lists enriched bleached flour, water, vegetable shortening, salt, sugar, baking soda, sodium acid pyrophosphate, distilled monoglycerides, fumaric acid, calcium propionate and sorbic acid</cite>. Mission's organic line is <cite index="26-1">organic wheat flour, water, organic sunflower oil, cultured wheat flour, organic vinegar, organic cane sugar, sea salt, sodium acid pyrophosphate, gums, baking soda and malic acid</cite>. Under US labeling rules ADA is a declared additive, which is precisely why it was visible on Subway's bread label in 2014. On the CeraVe comparison: CeraVe's acne line is built on standard dermatological actives. <cite index="4-0">CeraVe states the main active ingredient in its Acne Control products is salicylic acid, a beta hydroxy acid</cite>, and <cite index="5-2">it also promotes benzoyl peroxide for acne</cite>. The retrieved full ingredient list for the Acne Control Cleanser contains <cite index="6-1">water, sodium lauroyl sarcosinate, cocamidopropyl hydroxysultaine, glycerin, niacinamide, gluconolactone, sodium methyl cocoyl taurate, PEG-150 pentaerythrityl tetrastearate, ceramides, carbomer, calcium gluconate, triethyl citrate, sodium benzoate and related ingredients</cite>. No azodicarbonamide appears in any CeraVe list I found, and ADA is not a recognized cosmetic ingredient. On the EU and Australia ban: this part is correct. <cite index="1-1">ADC is not allowed as a food additive in Europe, and Food Standards Australia New Zealand also prohibits the use of azodicarbonamide as a food additive in baked goods</cite>. <cite index="0-4">A peer-reviewed analytical paper states ADA is prohibited in Australia and Europe on account of its toxicity and the risk of causing asthma in humans</cite>. In the US it remains legal: <cite index="3-6">ADA is authorized for use in food and considered safe by the FDA at levels of 45 ppm in flour</cite>, and it functions <cite index="0-2">as a whitening agent in cereal flour and as a dough conditioner approved by the FDA</cite>, matching the claim's description of its purpose. On the "breathing hazard" and "carcinogen when baked" mechanism: the respiratory risk documented by international bodies is occupational, not dietary. <cite index="2-1">A 1999 report on azodicarbonamide published by the United Nations Environment Programme, the International Labour Organisation and the World Health Organization stated that the chemical can induce asthma in people who work where the chemical is manufactured or used, and it may also induce skin sensitization</cite>. On breakdown products, <cite index="2-1">CSPI's senior scientist said semicarbazide poses a negligible risk while the second breakdown product, urethane, is a recognized carcinogen</cite>. However, <cite index="0-2">the main reaction product in dough is biurea, a derivative of urea, which is stable during baking</cite>, and <cite index="3-2">semicarbazide has been classified by IARC as Group 3, not classifiable as to its carcinogenicity to humans, because no human toxicity data were available and animal evidence was limited</cite>. <cite index="3-3">A 52-week mouse feeding study of semicarbazide up to 250 mg reported decreased body weight and degeneration of articular cartilage, but no carcinoma formation</cite>. On the "yoga mat" framing: it originates from a 2014 campaign. <cite index="24-0">The Environmental Working Group followed FoodBabe.com's Vani Hari's petition to Subway about azodicarbonamide, described as a chemical used to make yoga mats, shoe soles and other rubbery objects, by launching its own petition to major brands over roughly 500 food products</cite>. <cite index="3-1">Foods on that list included breads, bagels and tortillas from a variety of well-known brands</cite>, and <cite index="27-3">EWG named brands including Pillsbury, Sara Lee, ShopRite, Safeway, Smucker's, Fleischmann's, Jimmy Dean, Kroger, Little Debbie, Tyson and Wonder</cite>. Mission is not among the brands named in the EWG release text I retrieved. ADA does have real non-food uses: <cite index="1-1">it serves as a foaming agent in plastics, contributing to lightweight insulating packaging materials</cite>, and <cite index="3-6">as a blowing agent in PVC, polyacrylonitrile and polyurethanes</cite>.