Really Hard Pimple Under Skin. Hard pimples are formed when bacteria dead skin cells and excess sebum accumulate under the skin surface. The body responds to this by enclosing the clog in a pouch of skin called a cyst resulting in a blind pimple.

The inflammation that accompanies cystic acne. According to the American Academy of Dermatology AAD acne is caused by blocked pores that become infected by bacteria. May be a skin cystA bump on the skin that has whitish stuff inside but is not pus as in a pimple is likely a skin cyst that contains skin oils and skin cells.
The body responds to this by enclosing the clog in a pouch of skin called a cyst resulting in a blind pimple.
If the bumps are associated by breathing problems dizziness loss of consciousness or a drop in blood pressure seek help from a dermatologist or any doctor around you. To use Epsom salt a remedy for a pimple. A blind pimple will look like a bump on the skin and may be painful. With a hard pimple under the skin chances are that you are experiencing acne.