Kim Zimmerman, of Rescue Spa in Philadelphia, calls this mist from cult skin-care brand Biologique Recherche “the perfect travel companion” — and not just because it comes in a TSA-friendly 1.7-ounce bottle. “It’s oxygenating and contains vitamin C, so it leaves the skin hydrated, refreshed, and glowy,” Zimmerman says. Oxygenation — the skin-care term for when a product delivers additional oxygen to your skin — would be especially refreshing after a few hours in stale airplane air.

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