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Lauren Balsamo is the deputy beauty director at Cosmopolitan with almost 10 years of experience researching, writing, and editing skin, makeup, hair, and nail stories across print and digital, including the best gel nail polishes and glass nail files. She regularly tests and analyzes nail polishes for efficacy, while working with the industry’s top nail artists to assess new formulas and brands. She’s an authority in all nail categories, but is an expert when it comes to fall nail trends, thanks to many interviews with nail experts. that aim to make getting a manicure quick and easy.īeth Gillette is the beauty editor at Cosmopolitan with four years of experience researching, writing, and editing nail polish and shopping stories that range from Native American makeup brands to the best-selling beauty products on Amazon.
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She is also the founder of Tammy Taylor Nails, a full line of nail polish and nail care.
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The exact cause of yellow nail syndrome isn’t clear, though it comes with respiratory tract abnormalities and breathing issues, so get yourself to a doctor ASAP.Gemstone-inspired nails are a great way to ease into glitter without the messy flecks. If a lot of your fingernails are yellow, and they seem to have thickened, curved, or even started to detach from the nail bed, this could be a sign of an extremely rare condition called yellow nail syndrome, which is when your arms and legs swell up due to a buildup of a fluid called lymph, according to the National Organization for Rare Disorders (NORD). Make sure to see a derm for a full workup. See bands of yellow streaks on your fingernails? This could be a rare tumor of the nail matrix which can be surgically removed, Feely says. The fix? Oral or topical antifungal medications, Lipner says. But as the infection digs in, your nail can begin to thicken, crumble at the edges, and even smell a bit foul. If you have a fungal infection, discoloration starts small - a white or yellow spot under the tip of your fingernail, for example. Not already being treated for psoriasis? Visit a dermatologist for a solid diagnosis.
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Usually, nail psoriasis appears years after psoriasis first shows up on the skin, according to the American Academy of Dermatology. Nail psoriasis often comes with salmon-colored discoloration called "oil drops," as well as nail pitting, which is when the nail appears to have been dented by tiny ice picks, Feely explains.
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“A yellow nail may be a sign of a fungal infection or the skin condition psoriasis,” Lipner says. For example, chemotherapy drugs can turn fingernails gray-brown, for example, Lipner says. Other reasons for a black or brown nail aren’t so scary: fungal infections (this would be accompanied by yellowing and thickening of the nail) bacterial infections or even a funky response to medication. While a brown or black band of pigment in one or more nails could also simply be a benign mole, it’s best to book a visit to the derm just in case, Feely notes. It’s known as Hutchinson’s sign, and it most commonly occurs on your thumb (or big toe), according to The New England Journal of Medicine. If you notice pain, bleeding, or splitting of the nail, make an appointment with a board-certified dermatologist who may have to do a biopsy on the nail, she says.Īn especially concerning sign? If the skin surrounding the lower part of your nail turns brown or black - this heightens suspicion for a melanoma, says Meghan Feely, M.D., a board-certified dermatologist based in New York City and New Jersey and clinical instructor at Mount Sinai. “While nail melanomas are uncommon, they can be deadly if not diagnosed and treated early.” the most serious form of skin cancer), says Shari Lipner, M.D., Ph.D., a dermatologist and director of the nail division at Weill Cornell Medicine. “If your nail is brown or black, the most important thing to worry about is a nail melanoma,” (a.k.a.
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