Skin aging and appearance Archive

As of August 2026, sunscreens in the United States will be allowed to use an ingredient called bemotrizinol. It blocks both UVA and UVB rays and it doesn’t appear to be absorbed into the bloodstream, unlike many sunscreen chemicals.

Peptides are the building blocks of proteins that play key roles for health. But the benefits and risks of supplementing with injectable peptides, which are popular on social media, are largely unknown.

Discover how steroid creams, hormones, thyroid issues, and other conditions might drive new hair growth and when to seek a doctor’s advice.

Peeling skin on your fingers can signal eczema, infection, or other issues. Explore common triggers, treatments, and when to call the doctor.

Poison ivy rash is a red, blistering, itchy skin reaction caused by contact with the oily resin of the poison ivy plant. Quickly washing any exposed skin and contaminated clothing, tools, pets, or gear may help reduce the risk of a reaction. For a mild rash, home remedies and over-the-counter medications can help soothe symptoms; stronger prescription drugs can help heal more severe cases.

Misconceptions about poison ivy are common - from when you can get it to how you might get it, and the best ways to treat it. Knowing the facts can help you avoid it, or treat it properly if you are exposed to it.

A variety of disparate factors can speed up people’s biological aging, which describes how well their body functions (in comparison to chronological aging). Drivers of aging include ultraviolet light, stress, smoking, obesity, radiation, and loneliness and social isolation.

Severe protein malnutrition can trigger hair shedding, but most thinning of hair stems from genes, hormones, illness, or medications rather than daily protein intake.

Small bald spots can result from stress, but not always. Patchy loss can reflect hereditary patterns, alopecia areata, fungal infection, or scalp disease.

These small, firm skin bumps are usually benign and often appear on the legs. Learn why they form, how they’re removed, and sun‑safety basics to help prevent another one.