What Is Acne
Step 1: A clogged pore: As mammals, our bodies are covered in microscopic hairs. Acne begins when the pores that contain these hairs get clogged. No one knows exactly why this occurs, but the researchers here at Acne.org are committed to advancing the science on this front.
Step 2: Non-inflamed lesions: Once a pore is clogged, skin oil that normally drains to the surface gets trapped. At this point, the clogged pore becomes visible and looks like a small, non-inflamed white or black dot on the skin, called a whitehead or a blackhead.
Step 3: Inflamed lesions: Inside the whitehead or blackhead, bacteria feeds on the trapped oil, which can weaken the wall of the pore, causing the pore to break under the skin. This causes the body to react with inflammation, which creates a red and sore, raised acne lesion called a papule to develop. Papules normally fill with pus and are then called pustules, that many people refer to simply as a "zit." Cystic lesions: Sometimes a pore completely explodes deep within the skin, causing larger, painful, long-lasting, and often-scarring lesions called nodules and cysts.
Latest in What Is Acne
Comedogenicity What Is Comedogenicity, and What Ingredients Are Comedogenic? Comedogenic ingredients are topical skin care ingredients that clog pores and can lead to acne. From the evidence we have from clinical studies thus far,... July 04, 2019
What Is Acne What Is Acne? Acne lesions occur when microscopic pores in the skin become clogged, trapping skin oil inside and providing a breeding ground for acne bacteria. Lesions include whiteheads, blackheads, papules, pustules (zits), nodules, and cysts. May 30, 2019
How To Pop A Pimple How to Pop a Pimple It's OK to pop a pimple that has an obvious white or yellow center. Just make sure to do it correctly to increase chances of healing and decrease chances of scarring. May 30, 2019
What Is Acne What Causes Acne? Acne is what is called a multifactorial disease, which means several factors likely lead to pimples on the skin. There are many potential causes of acne, including hormones, inflammation, genetics, vitamin deficiency, stress, and diet, amongst others. June 03, 2019
Other Skin Conditions Rosacea Rosacea is a skin disease that affects adults over 30 years of age and tends to worsen over time. Even though it can look like... June 07, 2019
What Is Acne What Is an Acne Nodule? Nodules are large, red, painful acne lesions that form after a pore bursts and expels its contents deep into the skin, resulting in a severe inflammatory reaction. They are firm, fibrous lesions that do not contain pus and should never be squeezed or try to be popped. August 30, 2019
Ethnic Skin Acne Black Skin and Acne Black people, like all ethnicities, suffer from acne at a high rate. Black people, like other non-Caucasian people, see hyperpigmentation more often, and black people in particular contend with raised scarring, including keloid scarring, more than other ethnicities. June 07, 2019
Ethnic Skin Acne Asian Skin and Acne Asian people, like all ethnicities, commonly suffer from acne, but Asian people may have slightly less acne than other ethnicities. Asian skin tends to be... June 07, 2019
What Is Acne The Role of Sebum (Skin Oil) in Acne Sebum is the scientific name for skin oil. Without skin oil, acne does not form. Excess skin oil can lead to clogged pores, growth of acne bacteria, and ultimately inflamed acne lesions. June 03, 2019