Skin care
Learning Center
Self-tanners: Are they safe?
Sunless tanning products, also called self-tanners, can give your skin a tanned look without exposing you to harmful ultraviolet (UV) rays. The active ingredient in most sunless tanners is the color additive dihydroxyacetone (DHA). DHA reacts with dead cells in the skin's surface layer to temporarily darken your skin. The coloring gradually fades within a few days. Caution: Most self-tanners don't contain sunscreen. If you spend time outdoors, sunscreen is essential.
Puberty blockers for transgender and gender-diverse youth
Understand how puberty blockers work to suppress puberty. Learn about their benefits, side effects and long-term effects.
Poison ivy and other summer skin irritants
Take a look at these bumps, bites and rashes. Find out what causes them and how they can be treated.
Piercings: How to prevent complications
Piercings are popular, but the risks are real. Know how to prevent an infection.
Pericarditis
Inflammation of the tissue surrounding the heart can cause sharp chest pain and other symptoms. Know how pericarditis is diagnosed and treated.
Narcolepsy
Learn more about this sleep disorder that causes periods of involuntary sleep, sleep paralysis and early rapid eye movement (REM) sleep.
Mayo Clinic Minute: Why concussion screening is important
Concussion screening can help determine when athletes can return to play.
Mayo Clinic Minute: Uncovering UPF in clothing
Find out how UPF clothing can help protect you from the sun.
Mayo Clinic Minute: The many benefits of petroleum jelly
Try these simple tips for healing dry skin with petroleum jelly.
Mayo Clinic Minute: Shining the light on SPF in sunscreen
Find out what SPF means and what SPF to look for in your sunscreen.
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