Skin aging and appearance Archive

Hyaluronic acid is a naturally occurring compound in our bodies that attracts and binds water. It has become a widely used ingredient in a range of skin care products, from serums and moisturizers to eye creams and sunscreens. Using products formulated with hyaluronic acid can improve the look of aging skin by helping to replenish moisture and fill in or plump fine lines.

Itchy, irritated skin can leave behind stubborn dark patches in unexpected places. Find out what may help restore your skin’s usual tone.

Chronic hives can be hard to control when testing does not reveal a cause. Explore possible triggers and treatments that may help bring relief.

Athlete’s foot causes itchy, scaly skin on the feet, and the fungus can sometimes spread to other vulnerable areas of the body too.

Repeated underarm boils can have different causes and may need more than home care. Find out what symptoms matter and how doctors approach treatment.

A neck rash that stings and itches can have several possible triggers. The timing, recent exposures and other symptoms may help point to the cause.

Discover what dark vertical streaks on fingernails might mean, from benign nail pigmentation to signs of a more serious skin cancer.

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.