The nose is typically one of the first facial areas affected in rosacea. It can become red and bumpy and develop noticeable dilated small blood vessels. Left untreated, advanced stages of rosacea can cause a disfiguring nose condition called rhinophyma (ryno-fy-ma), literally growth of the nose, characterized by a bulbous, enlarged red nose and puffy cheeks (like the classic comedian W.C. Fields). There may also be thick bumps on the lower half of the nose and the nearby cheek areas. Rhinophyma occurs mainly in men. Severe rhinophyma can require surgical correction and repair.
26. Get your SPF on. Sunscreen isn't just for summer—your skin needs protection every day, even in winter. There are now sunscreens for every skin type imaginable—even ones that help make your skin less oily, so your face stays matte and pimple-free! Look for a daily moisturizer with SPF that says it's "lightweight," "oil-free," or "oil-controlling." For the highest level, look for a PA++ rating, it covers both UVA and UVB rays, so you're guarded against everything from burns to future wrinkles!

Photodynamic therapy (PDT) is a procedure that treats precancerous cells, in addition to other types of cancer cells. The medical treatment does this with the help of a photosensitizing drug and a light source that activates the applied drug, destroying cancer cells. PDT is approved to treat non-small cell lung cancer, esophageal cancer, and Barrett's esophagus. It's used to treat actinic keratosis, as well as acne, rosacea, skin cancer, sun damage, oily skin, wrinkles, warts, psoriasis, and enlarged sebaceous glands.


Acne scar treatment: Energy-based skin resurfacing with a laser, radiofrequency, or an ultrasound device can help treat boxcar scars, according to Nada Elbuluk, MD, an assistant professor at the Ronald O. Perelman Department of Dermatology at New York University Langone Medical Center in New York City. “They all work by creating new collagen beneath the surface of the skin.” A series of treatments is likely needed based on the extent of scarring, she says. Chemical peels can also help but to a lesser extent. With either procedure, using a retinoid to increase cell turnover and further boost collagen can help improve results, Dr. Elbuluk adds.
Dr. Day says another product ingredient to look out for is retinol to "help minimize and even avoid scarring." Dr. Chiu suggests this particular SkinMedica product because it "induces new collagen formation, which can soften acne scars, as well as unclogs pores for acne prone skin while bringing pigment to the surface with its exfoliative properties." Start using it twice a week and you'll notice fine lines start to fade as well.
No one factor causes acne. Acne occurs when sebaceous (oil) glands attached to the hair follicles are stimulated at the time of puberty or due to other hormonal changes. Sebum (oil) is a natural substance that lubricates and protects the skin. Associated with increased oil production is a change in the manner in which the skin cells mature, predisposing them to plug the follicular pore. The plug can appear as a whitehead if it is covered by a thin layer of skin, or if exposed to the air, the darker exposed portion of the plug is called a "blackhead." The plugged hair follicle gradually enlarges, producing a bump. As the follicle enlarges, the wall may rupture, allowing irritating substances and normal skin bacteria access into the deeper layers of the skin, ultimately producing inflammation. Inflammation near the skin's surface produces a pustule; deeper inflammation results in a papule (pimple); if the inflammation is deeper still, it forms a cyst.
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