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Q: I'll be traveling through Southeast Asia for three weeks. What can I pack to keep me clean during my trip? My concerns are that I'll be backpacking so size and weight are issues, and that the climate will be hot and muggy, so I don't know how my body is going to react. Bonus points if they come in travel size! Thanks! Vivi

A: I have a LOT to say on this subject, but I'll try to keep it to the essentials. Here's what I brought to Vietnam and Cambodia:

Sunscreen. At least SPF30. For obvious reasons. I brought this nicely flowery-scented one for body, and this one for face.I used slightly ridiculous amounts every day for two weeks and didn't burn—or break out.

Rene Furterer dry shampoo:Chances are you won't be washing your hair every day—and anyway, you'll feel like you need a second shower after 10 minutes outside. I brought the full-size (it's super-lightweight), but there's going to be a mini-bottle available any second now on Sephora.

Fresh In-Flight Kit: Best $130 I've ever spent (yes, I did spend it, it wasn't beauty swag—and I haven't regretted it at all): Face wipes, in-flight face mask (which works as a face cream too), and a post-flight serum. So luxe, so GOOD, so crucially moisturizing around hour 11 of your flight, when you're somewhere over Tajikistan. The wipes were also employed in a million other situations: before meals, mid-hikes, when I suddenly got paranoid that the mountain stream I'd put my hand in was seething with giardia, etc.

Bug Spray. I say: Get a formula that'sover 30% DEET. Malaria and dengue fever sound like hell. Do not fool around.

The Yes to Carrots travel kit: Shampoo, body wash, conditioner. Great, cheap, and tiny. Obvs you can rely on the hotel minis, but that's a gamble I didn't feel like taking.

Any other specific S.E. Asia travel product requests? Because I can keep going.

--Cristina Mueller, senior beauty editor