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Can I Carry It? — verified carry-on guide

坐飞机可以带 Aerosols (Hair Spray, Dry Shampoo) 吗？

个护洗漱与美妆

简明结论
随身随带: ⚠ 有限制条件 托运限制: ✓ 可以携带

Yes, with limits — you can bring aerosols in carry-on bags provided you follow security limits. Carry-on: ≤ 3.4 oz (100 ml) per can, in the liquids bag, cap on.

  • · Carry-on: ≤ 3.4 oz (100 ml) per can, in the liquids bag, cap on
  • · Checked: ≤ 18 oz (500 ml) per can
  • · Checked total: ≤ 70 oz (2 L) of aerosol/toiletry articles per person
  • · Spray paint is NOT a toiletry — banned in both bags
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💧 3-1-1 liquids rule checker

One quart-size (≈1 L) bag per passenger; every container must be 3.4 oz (100 ml) or less.

Fit is approximate — container shape decides real-world packing. Medically necessary liquids and infant food are exempt: declare them.

各航空安保机构官方规定

Rules by security authority

United States — TSA

Carry-on

Restricted

Yes, travel-size aerosol toiletries (≤ 3.4 oz / 100 ml) are fine in your quart-size bag. Keep the cap on to prevent accidental release.

Checked bag

Yes

Yes, under FAA limits: each aerosol ≤ 18 oz (500 ml), and a combined total of 70 oz (2 L) of toiletry/medicinal aerosols per person.

Rule conditions: Carry-on: ≤ 3.4 oz (100 ml) per can, in the liquids bag, cap onChecked: ≤ 18 oz (500 ml) per canChecked total: ≤ 70 oz (2 L) of aerosol/toiletry articles per personSpray paint is NOT a toiletry — banned in both bags

Flying internationally? Security follows the country you depart from — the authority above applies at your departure airport. Customs at arrival is separate.

如何打包 Aerosols (Hair Spray, Dry Shampoo)

随身携带行李: Yes, travel-size aerosol toiletries (≤ 3.4 oz / 100 ml) are fine in your quart-size bag. Keep the cap on to prevent accidental release.

托运行李: Yes, under FAA limits: each aerosol ≤ 18 oz (500 ml), and a combined total of 70 oz (2 L) of toiletry/medicinal aerosols per person.

安检通道现场的安检官员拥有决定物品能否通过的最终裁决权。

常见问题解答 (FAQ)

Frequently asked questions

Can you bring Aerosol Toiletries in a carry-on?

Yes, travel-size aerosol toiletries (≤ 3.4 oz / 100 ml) are fine in your quart-size bag. Keep the cap on to prevent accidental release.

Can you pack Aerosol Toiletries in checked luggage?

Yes, under FAA limits: each aerosol ≤ 18 oz (500 ml), and a combined total of 70 oz (2 L) of toiletry/medicinal aerosols per person.

Can I bring dry shampoo on a plane?

Yes — aerosol dry shampoo follows the liquid rules: 3.4 oz or less in your liquids bag for carry-on, bigger cans in checked luggage within the FAA aerosol limits (≤ 18 oz each, 70 oz total).

Last verified:

Verified against official sources. Rules change — for high-stakes items, confirm with your airline and the screening authority. Our verification method →