Skin & Hair Page 438
More in Skin & Hair
How Is Acne Caused? Pores, Hormones & Bacteria
Acne starts deep inside your pores. Learn how hormones, bacteria, oil, and genetics combine to cause breakouts and why some people are more prone than others.
What Are Hollow Cheeks? Causes and Treatments
Hollow cheeks can be natural or a sign of something else. Learn what causes them and what your options are, from fillers to lifestyle changes.
What Are Cold Sores? Causes, Stages, and Treatment
Learn what causes cold sores, how they spread, and what you can do to treat outbreaks and reduce how often they occur.
What Has Benzoyl Peroxide: Acne, Food, and Industry
Benzoyl peroxide shows up in acne treatments, processed foods, and industry. Here’s where it’s found and what recent benzene concerns mean for you.
What Is Livedo Reticularis? Causes and When to Worry
Livedo reticularis is a mottled, net-like skin pattern. Learn what causes it, when it’s harmless, and when it may signal an underlying condition.
Is Keratosis Pilaris Dangerous or Just Annoying?
Keratosis pilaris is harmless, but that doesn’t make it less frustrating. Here’s what causes those rough bumps and what can actually help smooth them out.
What Is Cheilitis? Lip Inflammation Types & Treatments
Cheilitis covers several types of lip inflammation, from sun damage to allergic reactions. Learn what causes each type and how they’re treated.
What Causes Deep Pimples? Hormones, Bacteria & More
Deep pimples form from a mix of hormones, bacteria, diet, stress, and genetics. Here’s what’s actually happening beneath your skin.
Is Skin Peeling Normal? Causes and When to Worry
Skin peeling is usually harmless, but it can signal sunburn, dryness, or infection. Learn the common causes and when it’s worth seeing a doctor.
How Do We Sweat? The Science Behind Every Drop
Sweat is more than just moisture — learn how your body produces it, why it cools you down, and where body odor actually comes from.
What Is a Sebaceous Cyst? Causes and Treatment
Sebaceous cysts are common, usually harmless lumps under the skin. Learn what causes them, how to spot one, and when to see a doctor for removal.
How Do Milia Form? Causes, Types, and Removal
Milia are tiny keratin-filled cysts that form when skin can’t shed normally. Learn what causes them, why they persist, and how they’re safely removed.
What Is Melanin and What Does It Do for Your Skin?
Melanin gives your skin its color and shields it from UV damage, but there’s more to this pigment than meets the eye.
What Is Keto Rash? Causes, Symptoms & Treatment
Keto rash is an itchy skin reaction some people get when entering ketosis. Learn why it happens, what it looks like, and how to treat it.