Skin Information

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

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

By Sarah Siddons

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."

By Rachel Oswald

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.

By Dave Roos


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?

By Jacob Silverman

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?

By Josh Briggs

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?

By Charles W. Bryant

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?

By Charles W. Bryant


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?

By Jessika Toothman

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?

By Josh Clark

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

By Sarah Rutland

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.

By Elizabeth Whitmore


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?

By Mary Salisbury

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?

By Sarah Jourdain

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?

By Tom Scheve

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.

By Sarah Siddons


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?

By Sarah Siddons

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?

Whether it's a warm handshake with a friend or a tentative test of a hot stove, the sense of helps us understand the world around us. How do our touch receptors relay information about temperature, pain and pressure to our brain?

By Shannon Cicero

When you take your facial fingerprint, you're collecting information on the aging process. What can a piece of transparent tape tell you about the condition of your skin?

By Gina Fisher


No matter how old you are, deep wrinkles on your face may tell a different story. How do you determine your skin age, and what are some of the factors that contribute to fine lines and dryness?

By Rebecca Regan

Cinnamon is one of the most common spices in the kitchen -- it's both sweet and tangy, and people use it to add flavor to pies, buns and toast. But does cinnamon have health benefits for your skin?

By Alexander Page

As you age, your skin loses the fatty tissue and collagen that provide its supple, firm appearance. Could adding certain foods to your diet help reverse this aging process?

By Matteson Cade

Wrinkling is an inevitable part of aging, but some research shows you might be able to hold on to a youthful glow by watching what you eat. Which foods should you be on the lookout for?

By Sarah Jourdain


If you have dry skin, you can do more than just slather on lotion -- you can also eat a diet rich in hydrating foods to moisturize your skin from the inside out. But what foods should you be eating?

By Sarah Jourdain

Certain foods, including chocolate, peanuts, shellfish and greasy pizza, have a reputation for causing acne, but is there any truth to this?

By Sarah Jourdain