Editor’s note: This article was originally published on Eluxe Magazine and has been updated and republished in August 2026 under The Vessel’s editorial standards.
Aerosol body sprays are among the most widely used personal-care products on the market, yet the majority of people who reach for one each morning have little idea what the canister actually contains. Synthetic fragrances are not single compounds — they are complex mixtures of potentially hundreds of individual chemicals, and under current United States law, manufacturers are under no obligation to list most of them on the label.
Body sprays and aerosol deodorants contain toxins including hormone-disrupting phthalates and synthetic musks. Broader classes of phthalates, mainly the kind found in plastics and food packaging, have been linked to cardiovascular disease in population studies, though the specific phthalate most commonly used in fragrance, diethyl phthalate, has not been shown by the FDA to pose known health risks at current use levels. The Environmental Working Group’s Skin Deep database, which scores personal-care products for hazard, has rated many popular commercial body sprays, deodorants, and perfumes in the moderate-to-high range. The risks extend beyond the person applying the product: anyone sharing an enclosed space and breathing the same air is exposed as well.
Hormone disruption and reproductive concern
An analysis of popular men’s fragrances found that many contain chemicals that can disrupt male hormones and may damage sperm — a notable finding given that many of these products are marketed explicitly on the basis of sexual attractiveness.
A 2008 EWG study of 20 teenage girls found phthalates, parabens, and synthetic musks in their blood and urine, raising concern that adolescents — whose reproductive systems are still developing — may be especially susceptible to hormone-disrupting chemicals such as phthalates. Animal studies have found that male rats exposed to phthalates during puberty showed higher rates of testicular problems.
In adults, regular exposure can produce immediate effects including triggered asthma, eye and throat irritation, and dermatitis. The product labels of some aerosol deodorants reflect the underlying hazard: advisory text on certain canisters recommends short bursts in well-ventilated spaces, discourages prolonged spraying, and instructs users to keep the product out of reach of children.
No controls
The regulatory picture offers little reassurance. The EWG has noted that the United States Food and Drug Administration has not assessed the safety of the vast majority of chemicals used in spray-on fragrance products. The reason manufacturers can keep this information from consumers is the way the Fair Packaging and Labeling Act works: it requires cosmetic ingredients to be listed on product labels, but it cannot be used to compel a company to disclose a trade secret. Because fragrance and flavour formulas are complex mixtures, they are the components most likely to qualify, and FDA rules therefore allow them to be listed simply as “Fragrance”. The result is that a formulation’s constituent chemicals — including those that may accumulate in human tissue or carry potential health risks — do not have to appear on the label at all. The FDA’s own guidance notes that DEP, the phthalate most commonly used in fragrance, is not known to pose health risks at the levels currently used in cosmetics.
In practice, this means consumers selecting a body spray based on its ingredient list are reading an incomplete picture. Current labeling rules leave gaps in what consumers can know about fragrance ingredients, including those that present potential health risks or build up in the body over time.
A closer look at common ingredients
The following chemicals appear regularly in popular body sprays, deodorants, and perfumes, and are worth understanding before reaching for the shelf.
Butane, isobutane, and propane are used as propellants in aerosol formats. Known health effects associated with exposure include headaches, breathing difficulties, mood changes, and nausea. As with any airborne chemical, these propellants can affect not only the person using the product but also people sharing the same space.
Aluminium zirconium tetrachlorohydrex GLY and aluminium chlorohydrate are added to antiperspirant deodorants to clog pores and prevent sweat leaking through. Skin irritation is a recognised effect, and spray formats mean these compounds are inhaled as well as applied to the skin.
Two claims commonly attached to aluminium in deodorant are worth addressing directly, because both circulate widely and neither is supported by the current evidence. The first is that a lifetime of aluminium-containing antiperspirant use contributes to Alzheimer’s disease; this has been investigated for decades and no consistent evidence for such a link has been established, and dementia research bodies now routinely list it among risk factors the evidence does not support. The second is that aluminium antiperspirants, particularly when combined with underarm shaving, raise breast cancer risk. The National Cancer Institute’s position is that no scientific evidence links the use of these products to the development of breast cancer, and a 2014 review found no clear evidence that aluminium-containing underarm products increase that risk. A 2002 study specifically examined antiperspirant use alongside blade-razor shaving and found no increased risk. Neither claim is a sound reason to change products — the case for reading a fragrance label rests on the disclosure gap and on the irritant and sensitising effects that are documented.
PPG-14 butyl ether functions as a solvent and skin-conditioning agent related to propylene glycol. Some consumer-advocacy sources describe it as a potential skin irritant with toxicity at high concentrations, and note that it is also used as an ingredient in some pesticide formulations in the United States. The Cosmetic Ingredient Review panel, however, has assessed it as safe for cosmetic use within specified concentration limits.
BHT (butylated hydroxytoluene) is used as an antioxidant preservative. It is associated with contact allergies and dermatitis, is considered a cancer suspect agent, and may interfere with reproductive health. Animal studies suggest BHT can increase the body’s metabolic use of vitamin A, though this hasn’t been established in humans.
Synthetic parfum is the catch-all fragrance designation that masks a product’s underlying chemical composition. Health effects can include skin irritation, allergic reactions, breathing difficulties including asthma, headaches, migraines, dizziness, and nausea. Many of the chemicals that fall under this label are persistent — they do not readily break down in the environment — and can accumulate in human tissue and breast milk. They are not required to be individually named on the label because the blended formulation qualifies as a trade secret.
PEG distearate (polyethylene glycol) is used as a moisturiser, emulsifier, emollient, and antioxidant in stick deodorants and other cosmetics. According to safety assessments of the PEG family, the manufacturing process for these compounds can introduce impurities including ethylene oxide, 1,4-dioxane, and polycyclic aromatic compounds (including benzene, benz(a)pyrene, DMBA, and 1-nitropyrene), some of which are considered potential carcinogens. The same assessments note that PEG compounds may also carry trace heavy metal contaminants such as lead, iron, cobalt, nickel, cadmium, and arsenic. These are manufacturing-related impurities rather than an inherent property of the finished ingredient, and levels vary by manufacturer and purification process.
Practical alternatives
Effective deodorising does not require synthetic fragrance chemistry. A number of straightforward alternatives can reduce or eliminate the chemical load while still managing body odour.
- Baking soda mixed with a small amount of water, oil, or cornstarch can absorb moisture and neutralise odour.
- Witch hazel acts as a natural astringent that constricts pores so sweat cannot seep through and mix with the bacteria on the skin.
- Alcohol and lemon may help reduce bacterial activity on the skin.
- Beeswax, mineral salts, and essential oils are long-used deodorant alternatives.
Ready-made natural and fragrance-free alternatives are also widely available. Checking a product against the EWG’s Skin Deep database before buying is a practical first step toward understanding what a given formulation actually contains.
Adolescents, whose bodies are still developing, have the most to gain from switching away from synthetic fragrance products. Even for those who have already made the switch, exposure remains possible in shared spaces — gyms, changing rooms, offices — where others are still using aerosol sprays. Ventilation and awareness of the issue matter for bystanders as much as for direct users.
This article is intended for general informational purposes and is not medical advice. If you have specific health concerns — including about cancer risk, reproductive health, or a reaction to a product — talk to a doctor or licensed healthcare provider.
