PackSafe - Medicinal & Toiletry Articles
Hairspray, hand sanitizers, aerosols, rubbing alcohol, inhalers, nail polish and remover, etc.
For personal use including aerosols, hair spray, perfumes, colognes, nail polish, rubbing alcohol, shaving cream, inhalers, medicines.
Quantity limits: The total aggregate quantity per person cannot exceed 2 kg (70 ounces) or 2 L (68 fluid ounces). The capacity of each container must not exceed 0.5 kg (18 ounces) or 500 ml (17 fluid ounces).*
This exception includes medicinal and toiletry articles in aerosol canisters. Aerosol release devices (button/nozzle) must be protected by caps or other suitable means to prevent accidental release.
This entry does not cover radioactive materials. See entry for "Implanted medical devices" for radioactive medicines and medical devices.
See the regulation: 49 CFR 175.10(a)(1)
Tip: If it does not touch your body when you use it, then it likely does not qualify for the medicinal & toiletry article exception. Not all carry-on items may be used during flight. Consult the flight crew before using items that give off strong odors or vapors such as nail polish and remover.
*Liquids, gels, and aerosols in carry-on baggage are further limited to 100-ml (3.4 oz) containers at the TSA security checkpoint.