pimples on the face are caused by what
While whiteheads and blackheads are the most common lesions seen in acne, other types can also occur. Inflammatory lesions are more likely to cause scarring of your skin: Papules are small red, raised bumps caused by inflamed or infected hair follicles. Pustules are small red pimples that have pus at their tips.
Hard pimples develop when dead skin cells, sebum, and bacteria enter the skinâs surface. Once under the skin, bacteria can multiply quickly. This can cause the skin to become irritated and even infected. Hard pimples appear as raised bumps on or under the skinâs surface. Sometimes, theyâre filled with pus. There are a few types of hard pimples: