We love to review double-duty travel gear here on Practical Travel Gear, especially when it’s cheap and light as well. So how about hand-washing laundry detergent than also helps keep the bugs away?

That’s the idea behind Sea to Summit’s Citronella Wilderness Wash. You squirt some of this in the sink and wash your sweaty clothes. Then instead of your shirts smelling like flowers or perfume (which insects and bees will just love), you smell like citronella—a scent that the critters hate—and sandalwood.

Even better, this concentrated washing liquid comes in two sizes that are easy to carry on and airplane. The 1.3-ounce one goes for $3.50 and the 3-ounce one is a buck more. (If you’re going on a long overland or camping trip, however, you can buy an 8-ounce version.)

I tried this citronella laundry soap out on two recent trips and it did the job as well as any other liquid detergent I would use. I kind of liked the smell too—it’s not overpowering. If I were in a sensitive area I would rather have this along than one with harsh chemicals: it’s biodegradable and paraben-free.

It lives up to the “super concentrated” label as well. I’ve done five hotel bathroom sink loads with the smallest size and still have nearly half of it left. Whether you’re hiking through the mountains or backpacking around the tropics, this bug-unfriendly washing liquid is easy to pack and well worth the minimal cost.

And hey, this is multi-use soap meant for camping, so in a pinch you can use it for dishes, your body, or your hair. Double duty indeed.

See more details at the Sea to Summit site and follow the link below to order it from REI.

Sea To Summit Citronella Wilderness Wash Soap – 1.3 fl. oz. at REI