Dermatology 101 offers essential information on skin health, common conditions, treatments, and skincare routines, helping individuals understand and care for their skin effectively.

Red bumps on the legs can develop for many reasons, including allergies, insect bites, inflammatory skin disorders, or, in rare cases, a more serious underlying health issue. When reviewing Pictures of skin rashes on lower legs, it’s important to remember that the appearance can vary by skin tone. On darker skin tones, these bumps may look violet, gray, or deeper brown and can be less noticeable at first glance. In…

A rash refers to any section of skin that becomes inflamed, irritated, or swollen. Depending on the underlying cause, rashes may itch, hurt, or change in appearance across different skin tones. In certain situations, a rash can indicate a serious or even life-threatening condition that requires urgent care. When reviewing Pictures of skin rashes on legs, it’s important to remember that similar-looking eruptions can have very different causes. Skin rashes…

Cold sores are caused by the herpes simplex virus, most commonly HSV-1. Although many people suspect that specific foods can spark a cold sore episode, solid evidence supporting this idea is lacking. There’s a widespread belief that certain foods might precipitate cold sore flare-ups, but current research provides little to no support for that notion. Cold sore episodes are generally brought on by: exposure to intense sun or cold wind…

A rash brought on by laundry detergent can be itchy and present with other signs. Allergic reactions usually develop after repeated contact with an allergen, such as a fragrance or a preservative. (img by GoodRx) Your laundry soap might smell like fresh morning air or spring showers, but it likely contains a range of potent chemicals. It’s common for some people to have adverse skin reactions to ingredients in typical…

In dentistry, a mamelon is a small rounded projection along the cutting edge of a tooth. It’s composed of enamel, the same hard outer layer that covers the rest of the tooth. Mamelons show up on certain newly erupted teeth (teeth that have just come through the gumline). Each affected tooth typically has three mamelons. Together they produce a scalloped, wavy margin. The word mamelon comes from French for “nipple,”…

A blackhead develops when the opening of a hair follicle (pore) becomes clogged with a mix of dead skin cells and oil. This obstruction creates a small raised lesion called a comedo. When the comedo is exposed to air, the trapped material oxidizes, darkens, and becomes a blackhead. If the comedo remains closed, it presents as a whitehead. Blackheads most commonly appear on the face, but they can also show…

Depending on your symptoms, it can be simple to confuse eczema with a form of skin cancer ― or the other way around. The most reliable way to determine which you have is to consult your physician. Each year, tens of millions of Americans cope with symptoms from skin disorders. According to the American Academy of Dermatology Association (AAD), skin diseases affected 84.5 million people in the U.S. in 2016…

Aquaphor is an ointment often used on fresh tattoos to prevent them from becoming overly dry, though eventually you’ll want to move to a lotion or cream. Many people rely on Aquaphor as a go-to product for dry or chapped skin and lips. Its moisturizing effect comes largely from petrolatum, lanolin, and glycerin. These components work in concert to attract moisture from the environment into your skin and lock it…

Impetigo is a bacterial skin ailment that most frequently affects toddlers and young children. That said, individuals of any age can contract impetigo through direct contact with an infected person or contaminated objects. Impetigo is caused by the bacteria Staphylococcus aureus and Streptococcus pyogenes. The infection produces a rash characterized by raised, swollen, itchy, and oozing red lesions. These sores commonly appear around the mouth and nose, though they can…

Milia form when the structural protein keratin becomes trapped beneath the skin’s surface. Certain skin conditions and topical products can contribute to their development. (img by Cureskin) What is a milium cyst? A milium cyst is a tiny, white-colored bump most commonly seen on the nose and cheeks. These lesions often appear in clusters, and multiple cysts are referred to as milia. Milia arise when keratin is retained under the…