TSA item rule · verified 2026-07-02
Can you bring hairspray on a plane?
TSA's official answer, checked against tsa.gov on 2026-07-02.
Carry-on bag limits apply
3.4 oz (100 ml) or less, in your quart bag.
Checked bag limits apply
Allowed, with FAA aerosol limits — max 18 oz (500 ml) per can, 70 oz (2 L) total toiletry aerosols per person; nozzle must be capped.
Liquids, gels and aerosols in carry-on follow the TSA 3-1-1 rule. The final decision always rests with the TSA officer at the checkpoint.
Source: TSA — What Can I Bring? · checked 2026-07-02
Related: dry shampoo · deodorant
Size limits change. We watch them for you.
Get one short email when TSA changes its baggage rules. No newsletter, just the alert.