11 things your dermatologist wants you to know about sensitive skin:
This can involve a pretty vicious cycle: Sensitive skin is a common symptom of these skin conditions, and that irritation can make your other skin symptoms even worse,So, how do you know whether you have generally sensitive skin or might be dealing with an actual condition? Indicators that you may have a diagnosable skin issue include persistent symptoms—extreme redness and irritation, painful burning or stinging, itching, blistering, rashes, scaling, pus-laden bumps—that come out of the blue...
. This is often called the lipid barrier, and it performs two main jobs: keeping water in, and keeping potentially damaging things, like UV rays, wind, heat, and harsh chemicals, out. In people with sensitive skin, this barrier is typically weaker, thinner, and more easily damaged, making it easier for irritants to penetrate the skin and cause inflammation.
“You can think of your skin barrier like a brick wall put together with mortar between the skin cells,” says Dr. Newsom. That intracellular lipid mortar is partly composed of. In sensitive or damaged skin, that mortar is weak or missing in some spots, making the barrier more permeable and the skin underneath more vulnerable. “People who have a thin lipid barrier absorb products more deeply,” explains Dr. Fassett, which is why they are often more reactive to skin-care ingredients.
On the flip side, having a thin lipid barrier means it’s also easier for moisture to escape. This is whyEven if you don’t have sensitive skin, you’re more likely to experience sensitivity in certain spots where that protective outer layer is thinner, like around your eyes, says Dr. Newsom.
A skin allergy can develop if your immune system is repeatedly exposed to a certain irritant—either a skin-care ingredient like a fragrance or dye, or a substance like rubber, formaldehyde, or nickel—and becomes increasingly sensitive to it, according to the
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