A blind pimple is a small lump or bump that forms under the surface of your skin, and usually develops on the face, chest, or upper back, says Peter Young, MD, a dermatologist and the medical ...

Is there a way to safely pop a pimple on your chest or back? Of course, if you've got a major pimple or acne cyst on your chest, back, or anywhere on your body, it may be tempting to pop it.