Advertisement

What is an ingrown hair?

Dr. Ellen Marmur, MD
Dermatology
When a hair gets trapped and starts growing underneath the skin, it can create a bump and cause folliculitis, an inflammation of the hair follicle. Inflammatory cells (neutrophils) race to the area to kill bacteria around the jagged ingrown hair that is penetrating the follicular wall. This neutrophilic accumulation causes a small papule, or pimple.
Simple Skin Beauty: Every Woman's Guide to a Lifetime of Healthy, Gorgeous Skin

More About this Book

Simple Skin Beauty: Every Woman's Guide to a Lifetime of Healthy, Gorgeous Skin

What if a leading dermatologist just happened to be your best friend and you could ask her anything? DR. ELLEN MARMUR, a world-renowned New York City dermatologist, answers all your questions with...

Continue Learning about Skin Disorders

Pediatric Atopic Dermatitis: Understanding Severity
Pediatric Atopic Dermatitis: Understanding Severity
Atopic dermatitis is a skin condition that affects people of all ages, and is fairly common among children and teenagers. The majority of people who h...
Read More
How do I treat dry skin?
Dr. Rosemarie Y. Ingleton, MDDr. Rosemarie Y. Ingleton, MD
To treat dry skin, choose a good moisturizer—and break one daily habit, says dermatologist Dr. Rosem...
More Answers
All-Access Guide to Five Common Skin Conditions
All-Access Guide to Five Common Skin ConditionsAll-Access Guide to Five Common Skin ConditionsAll-Access Guide to Five Common Skin ConditionsAll-Access Guide to Five Common Skin Conditions
Get to the root of common skin disorders, including triggers, treatment and more. 
Start Slideshow
How Does the Food I Eat Affect My Skin?
How Does the Food I Eat Affect My Skin?

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.