It can be very effective at shrinking cystic acne. However, this option should be reserved for cysts that aren’t responding to typical acne therapies. “In extreme emergency cases, such as ...

Blind pimples, aka cystic acne, are painful zits that exist under the skin and never come to a head. To treat blind pimples, try benzoyl peroxide, a cold compress, and avoid attempting to pop it.