Last updated: August 2026 · The Earthling Co.
Yes, you can take a bar of soap on a plane in both your carry-on bag and checked luggage with zero quantity or weight restrictions from the TSA. Because solid soap bars are not liquids, gels, or aerosols, they are completely exempt from the TSA’s 3-1-1 liquids rule (3.4 oz or smaller in a 1-quart clear bag). Switching from bottled body wash to solid bar soap speeds up airport security screening, eliminates embarrassing luggage leaks, and saves valuable suitcase space for hassle-free travel.
TSA Toiletries Guidelines: Solid vs. Liquid
Understanding how airport security officers categorize personal care products helps avoid unexpected delays at the checkpoint:
4 Smart Tips for Packing Bar Soap in Your Carry-On
Keep your solid soap fresh and ready to use during your trips with these simple packing techniques:
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Let Bars Air-Dry Before Packing: Ensure your soap bar is completely dry before wrapping or packing it to prevent softening inside your toiletry kit.
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Use Breathable Travel Containers: Store bars in a breathable hemp soap saver bag, a silicone travel case, or a sisal pouch that allows air circulation while keeping the rest of your luggage dry.
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Cut Bars in Half for Short Trips: If you are traveling for a weekend getaway, slice a small piece off your full-sized bar to save even more space and weight.
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Pack Complementary Solid Toiletries: Pair your body soap bar with solid shampoo, solid conditioner, and solid lotion bars to build a 100% liquid-free travel pouch.
Travel Light & Waste-Free with The Earthling Co.
At The Earthling Co., we design our Plastic-Free Body & Hand Soap Bars to deliver luxurious, plant-powered care wherever your adventures take you.
Formulated with nourishing shea butter, coconut oil, and natural botanicals, our solid bars are lightweight, TSA-approved, and 100% leak-proof. Pair them with our Soap Saver Bags or Travel Case for the ultimate zero-waste, worry-free travel routine.
Frequently Asked Questions (FAQ)
Does TSA require bar soap to be removed from carry-on bags?
No. Unlike liquid containers, solid bar soap can stay inside your carry-on suitcase or backpack as it passes through the airport X-ray machine.
Can you take homemade or unpackaged bar soap on an airplane?
Yes! TSA officers do not require commercial labels or original packaging on solid soap bars. As long as the item is completely solid, both handmade and unpackaged soap bars are permitted.
Can I bring solid shampoo bars on a plane?
Absolutely. Solid shampoo and conditioner bars follow the exact same TSA guidelines as standard body soap bars—they are considered non-liquids and have no size restrictions.
Upgrade Your Travel Routine Today
Ready to streamline your luggage and skip the liquid restrictions at airport security? Explore The Earthling Co. Travel-Friendly Collection and enjoy hassle-free, plant-powered care on every trip!
