Review Of An Ingrown Hair Cyst 2023. If the site of the ingrown hair acquires an infection with staphylococcus aureus, it can cause itchy bumps, pain, flushed skin, and pus. Staph infections come from a bacterium called.

These steps help control the condition. Web ingrown hair occurs when a hair strand grows downward instead of upward and becomes entangled under the skin. If you wish, trim a beard with scissors or electric clippers.