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在线翻译:
szdaily -> Lifestyle -> 
How to keep exercise from messing up your skin
    2016-08-26  08:53    Shenzhen Daily

    WHEN we exercise, our heart beats faster and pumps more blood. Much of that increased flow goes to our most vital organ, the brain, and the face reflects this upward surge by flushing. Cue that bright, lit-from-within glow that lasts long after a sweat session. Think of sweating like the steam portion of a facial.

    Exercise reduces stress, keeps you slim and leads to fewer breakouts, tighter pores, and firmer skin. It can delay aging.

    But there are some downsides associated with certain exercises.

    1. Boxing, boot camp, crossfit

    Sneaky skin issue: breakouts

    Shared equipment — gloves, mats, weights — can be a hotbed for bacteria. When possible, bring your own and wipe down weights (or anything else that’s shared) with an antibacterial towelette. Most important: “Avoid touching your face during your workout,” says Paul Jarrod Frank, a cosmetic dermatologist in NYC. Wiping away sweat with a germy hand may seem harmless, but it can cause acne or, worse, spread cold sores and skin infections.

    2. Running

    Sneaky skin issue: sagging skin

    “I can spot a serious runner just by looking at her face,” says Elizabeth Hale, clinical associate professor of dermatology at NYU Langone Medical Center, who defines “serious” as logging 25 miles a week or more. Blame the literal pounding of pavement, which results in “runner’s face”: a loss of volume in the temple and cheek areas that eventually leads to sagging. “The constant force causes micro-tears in collagen that compound over time,” says Dr. Hale, who notes there’s a genetic factor too. And if you run outdoors, the UV exposure — a proven collagen killer — doesn’t help.

    Prescription retinol followed by a firming cream with collagen-stimulating peptides and possibly fillers down the road. Also SPF 30, which, for those who take it outside, is as vital as a good pair of sneakers.

    3. Hot yoga

    Sneaky skin issue: redness and brown spots

    If you have rosacea — a skin condition that causes redness and a bumpy texture — or are prone to broken blood vessels, beware: Extreme heat combined with excessive sweating can cause inflammation, making these conditions worse. “In some cases, it could permanently dilate capillaries,” says Dr. Frank. Other problems that occur: dark spots and melasma. While research is limited, some doctors believe that heat can stimulate the pigment-making cells.

    4. Spinning, dance cardio

    Sneaky skin issue: irritation

    Aside from guzzling water, the thing you’re most likely to do during a drenching, high-intensity workout: Wipe your skin with a gym towel. Unfortunately, “communal towels are typically washed with harsh detergents and chemicals that can irritate skin,” says Dr. Frank. They are also notoriously coarse and can strip the protective layer of skin, so anything you put on your face afterward could result in redness, says Dr. Hale. Once again, it’s best to bring your own — and if you forget, gently blot with the free ones.

    5. Swimming

    Sneaky skin issue: dryness

    Chlorine can rob skin of its natural oils, leaving you dry and itchy. Post-swim, always wash with a gentle cream cleanser and follow with a basic lotion made with ceramides, which rebuild the protective layer that chlorine strips.

    And always remember: Shower post-workout! “The moisture and heat combined with dead skin and sebum can cause acne, rashes, and folliculitis — inflamed hair follicles that look like pimples,” says Dr. Hale. Soap and water are your best bet for eliminating dirt and oil from head to toe, but wipes work in a pinch, especially ones that contain salicylic acid. Afterward, skip heavy creams and oil-based products, as they can clog dilated pores, notes Dr. Frank.(SD-Agencies)

 

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