Skin Information

Skin information provides great information about skin hygiene and appearance. Learn more about skin information at HowStuffWorks.

Topics to Explore

Learn More / Page 2

How many skin cells do you shed every day?

What happens to dead skin cells when they fall off your body? Are you sure you want to know? If you're sure you want the answer to this question, get ready for some staggering numbers.

5 Ways Your Skin Changes During Adolescence

Adolescence seems like the worst surprise ever -- where did all of this hair and these bumps come from? And why do I smell terrible? Don't despair -- we've laid out five ways skin changes during those years so you'll know what you're dealing with.

5 Differences Between Adult and Baby Skin

Is your bottom smoother than a baby's? We didn't think so. Are you suffering from diaper rash? We hope not. So why is the skin of these pint-sized humans so different from mine and yours? We'll give you five reasons.

5 Medicines that Cause Sun Sensitivity

Some medications clearly don't mix. Taken together, certain drugs can cause serious harm, if not death. And some require users to avoid the virtually unavoidable -- the sun.

How does your skin eliminate waste?

Your skin is your body's largest organ and protects you from the elements, but how does it protect itself from toxins? Believe it or not, you actually do most of the work.

How does my skin anatomy change as I get older?

Aging skin is a fact of life. At some point in each of our lives, our smooth and supple exteriors become dry, wrinkled and saggy. And although much of aging is biologically inevitable, there are some things you can do to protect yourself from the ravages of time.

5 Foods That Can Change the Way You Smell

Gum. Breath mints. Deodorants. Perfumes. We put a lot of work into controlling what we smell like. So which foods are most likely to undo it all?

Can your skin help you breathe?

Every day, a barrage of advertisements for various cosmetics, oils and unguents assault our eyes and ears, all claiming to "let your skin breathe." But does your skin actually "breathe"? Does it even take in oxygen?

Food and Skin: Fast Facts

Get fast facts on food and skin, and learn how different vitamins and nutrients benefit skin's health and appearance.

How Your Skin Works

If senior superlatives were given to human organs, the heart would win "hardest working," while the lungs would garner "most athletic." But what would the skin be noted for? Our guess is "most underappreciated" -- not to mention "best dressed."

Skin Grafts

If skin grafts seem painful to you, that's because they are. Skin grafts are patches on skin that are attached or sewn to open wounds to help them heal. They may be excruciating, but they save lives.

Are insect repellent and sunscreen a bad combination?

Step outside and the assault on your skin begins. Is slathering on multiple products to protect yourself from the fierce sun and the ferocious mosquitoes a good idea?

Are cloth diapers better for my baby's skin?

Disposable diapers have been popular for decades, but recently there's been a trend toward using cloth. They may be better for the environment, but are they better for your baby's skin?

How often should you see your dermatologist?

The skin is an organ and it's the largest one you've got. So it's a good idea to take it in for a checkup. How frequently should you make appointments with your dermatologist?

Why does fake gold turn your skin green?

You saved up money for a special ring for your lady friend, but the one you buy leaves a green stain on her finger. Why in the world did it do that?

Why does your sweat sometimes smell like ammonia?

You just exercised and worked up a good, healthy sweat -- except that "healthy" rarely smells like industrial strength cleaner, right? Why does sweat sometimes reek of ammonia, and what can you do to stop it?

How does diet affect body odor?

The old adage you are what you eat makes sense, but the idea that what you smell like depends on what you eat is slightly less self-evident. How can a certain type of food or diet affect your body odor?

How much skin do we have?

Your skin is your largest organ, and it's constantly shedding skin cells and replacing them -- but how much skin do you really have?

Oily Skin Overview

Oily skin is prone to acne and tends to have a constant sheen. Although you can't shrink your pores or prevent your skin from secreting oil, there are ways you can control your oily skin.

Sebum Overview

If you have oily skin, that waxy substance that makes your face shine, triggers breakouts and causes your makeup to run is sebum. Everyone's skin produces sebum, but what exactly is it, and what does it do?

Sensitive Skin Overview

If your skin gets easily flushed, itchy or irritated, you may have sensitive skin, but what causes this sensitivity, and how can you treat it?

Skin Pores

For every hair on your body, there is a corresponding skin pore. We tend not to notice our pores unless they're extra-big or blocked with gunk. What are they for, and how can we keep them looking, well, unnoticeable?

Subcutaneous Tissue

Your skin has three layers that each serves an important purpose. Though you cannot see it, the innermost layer is composed of subcutaneous tissue, an all-important insulator that regulates your body’s temperature and protects your insides.

How to Determine Your Skin Type

Understanding your skin type is the first step toward a regimen that will result in a glowing complexion. What signs will tell you if you're oily, dry or a combination of both?

How to Spot a Cancerous Mole

It might look like a perfectly harmless little mole or freckle but it could be a ticking time bomb that will greatly affect your health. Melanoma accounts for approximately 5 percent of cancer cases. Do you know how to spot a cancerous mole?