Blackheads are a very common skin condition that mostly affects your face, neck, back and chest. There are a variety of causes, including too much oil on your skin and hair follicle irritation. Blackheads commonly affect adolescents, but they can occur at any age.

Blackheads typically affect teenagers and young adults undergoing hormonal changes. However, many adults continue to have acne into their 20s, 30s and beyond. Some even develop blackheads for the first time as adults.How common is this condition?Blackheads are very common. Some researchers suggest that blackheads affect nearly everyone during their lives. They’re most common among adolescents, but up to 10% to 20% of adults have blackheads too.Blackheads are a milder form of acne. Dark, open bumps in your skin are the main characteristic of blackheads. They don’t hurt or feel uncomfortable like whiteheads.How are blackheads diagnosed?Blackheads are easy to recognize, so you don’t necessarily need a healthcare professional to diagnose them. If you have blackheads along with other severe forms of acne, see a dermatologist for treatment. Dermatologists are doctors who specialize in conditions that affect your skin, hair and nails.