Intense burning or stinging when using a product for the first time
VGstockstudio/ShutterstockWhether it's a cleanser, lotion, or mask—no skin-care product should cause burning or stinging. "This is often a sign that you're allergic to it," explains S. Manjula Jegasothy, MD, dermatologist and founder of Miami Skin Institute. Also known as contact dermatitis, this reaction is your skin's defense mechanism to shield itself from the offending ingredient, whether it's a fragrance, preservatives, or other additives. "Some enzyme and acid-based masks can cause mild stinging of the skin for about a minute, but, if your skin feels like it's on fire, do not suffer in the name of beauty—wash it off!" says Alan J. Parks, MD, board-certified dermatologist and founder of DermWarehouse. "You're either allergic to something in the product or your skin is simply too sensitive for whatever it contains." These are rules you must follow if you have sensitive skin.
You experience a slight burning or stinging when using a product you've used before
Voyagerix/ShutterstockThis scenario is different than if you were using a new product for the first time. Your skin has already proved, in the times you've used the product previously, that it can handle whatever ingredients the product contains. "Slight stinging and burning are common side effects (especially those that have an alcohol or 'drying' base) in patients with pre-existing skin sensitivity, such as eczema or rosacea," says Terrence Keaney, MD, board-certified dermatologist and RealSelf contributor. "In patients with sensitive skin, it's important that they carefully select products that are designed for their skin type." Another possibility is that you're simply using too much of the product or using it too frequently. "Generally, a pea-sized amount of product is enough to cover the entire facial surface for any given product," says Jegasothy. "Do not use more than this, and don't use it more frequently than recommended; more is not more when it comes to skin care." Is it possible to use too many skin-care products?
You experience excessive dryness, flaking, and peelingfrank60/ShutterstockIf you've got this going on, particularly around your nose and at the corners of your mouth, you might be simply overusing an acne product, such as a retinoid or a benzoyl peroxide. "Topical retinoids are used to help lightly exfoliate skin, regulate skin cell maturation, and cause mild irritation in the skin, which encourages new collagen growth," explains Tsippora Shainhouse MD, board-certified dermatologist in Beverly Hills and Clinical Instructor at the University of Southern California. "They're meant to slowly diminish the appearance of fine lines, even skin pigmentation, and thicken skin for a younger look. However," she adds, "if they're causing too much irritation, to the point that you're constantly peeling and your skin is red and sensitive, this might not be the best anti-aging treatment for you." Chronic inflammation can actually stress the skin and accelerate skin aging, so try cutting back your prescription retinoid to once or twice weekly and layer it with a gentle moisturizer. If it's still too irritating, try an over-the-counter, plant-derived retinol, which will be milder. If this is still too irritating, consider avoiding this class of topical meds.
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You get a rash from the product or blisters start to form at sites of application
pumatokoh/ShutterstockIt's tempting to sample a product with the most eye-catching packaging or one that you read about in a magazine, but just because it works for one person doesn't mean it's a universal wonder. "In addition to the magic active ingredient that a product is touting, it can contain many potentially irritating or allergenic inactive ingredients that contribute to its silky feel, fancy fragrance, or prolonged shelf-life," warns Dr. Shainhouse. "If you do develop a rash after a couple of applications, it's most likely due to one of the preservatives, fragrances, or chemicals called acrylates." Consider getting allergy patch testing at your dermatologist's office to determine which is the offending agent, so you'll know which ingredients to look out for in the future.
You experience any sudden tan pigmentationnito/ShutterstockIf you notice freckles, brown spots, or a sunburn on your skin, you're most likely not using a strong enough sunscreen. But if you notice pigmentation changes, particularly on the cheekbones, after applying a new product for a few days to a week, this can be a rare allergic reaction to certain ingredients that cause actual lightening of brown spots. Dermatologists call this a paradoxical hyperpigmentation and it's usually related to botanicals that lighten the skin, such as kojic acid, arbutin, and hydroquinone. "Discontinue all skin care containing these products and simply wait for the skin to balance itself out," says Dr. Jegasothy. "Using another skin lightener or bleaching cream at this time can make the condition worse." And, no matter what products you're using, always make sure to apply a broad-spectrum SPF, of at least SPF 30 every single day, rain or shine, directly after cleansing and before your moisturizer or makeup to ensure full protection. These are the sunscreens dermatologists use on themselves.
Your skin is red and irritated after using an acne treatment
Image Point Fr/ShutterstockContrary to what most people think, adult acne is not usually caused by the same bacteria and oil that triggers teen acne. That means that harsh topical treatments like salicylic acid and benzoyl peroxide designed for teenage pimples can actually irritate and dry out the top layers of the skin in adults, which will make your skin more red and sensitive and can actually aggravate your acne. First thing's first: Make sure the products you're using are non-comedogenic and do not contain mineral oil, cocoa butter, or other pore-clogging ingredients. "You may need prescription medications that are strong, but less harsh on your skin," says Dr. Shainhouse. "And, sometimes, it means finding a vehicle that makes it more tolerable." See your dermatologist to figure out the best treatment plan for your skin and acne type. Don't fall for these myths about adult acne.
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Your skin is more oily than usual after using a new productrukxstockphoto/ShutterstockIf you find your skin is suddenly slicker than normal, it could be a sign that you're stripping it of its natural oils. Your skin naturally acts as a barrier to keep out dirt and other free radicals in the environment. It does this by arming itself with a healthy balance of oils that keep moisture in, and over-washing or using a product that strips your skin of this natural oil is bad for the business of maintaining that barrier. "If you're using harsh products or not enough moisturizer, your skin will overcompensate for it and produce even more oil," explains Eric Schweiger, MD, dermatologist, founder of Schweiger Dermatology Group and RealSelf contributor. "Look for a moisturizer or serum containing hyaluronic acid rather than oils to hydrate the skin and use a gentle cleanser." Here's what your skin-care routine should look like if you have oily skin.
You experience generalized itching all over your bodyAndrey Popov/ShutterstockIf this happens, it's possible that you're having a generalized histamine (allergic) reaction to your skin care, or possibly something you inhaled or ingested. "I would suggest discontinuing all skin care and then adding one product back at a time for a week each to see if the generalized itching restarts or persists," says Dr. Jegasothy. It takes at least two to three weeks for an allergy to "wash out" of your system, so allow that much time before reintroducing your regimen one product at a time. "An oral antihistamine that's commonly available over the counter, such as Zyrtec or Claritin (not Claritin-D), can also be very effective in reducing histamine in the skin and therefore reducing the symptoms of this kind of generalized itching much more quickly." If the itching comes from a skin condition like eczema or psoriasis, these home remedies can help.
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