Ingrown hair is a condition where hair curls back or grows sideways into the skin. The condition is most prevalent among people who have coarse or curly hair. It may or may not be accompanied by an infection of the hair follicle (folliculitis) or "razor bumps" (pseudofolliculitis barbae), which vary in size.
Small, solid, rounded bumps (papules),Small, pus-filled, blister-like lesions (pustules),Skin darkening (hyperpigmentation).
Steroid medicine that you rub on your skin to bring down the swelling and irritation, Retinoids (Retin A) to remove dead skin cells and reduce the skin pigment changes that can occur from ingrown hairs, Antibiotic that you take by mouth or rub onto your skin to treat an ingrown hair infection
While not every ingrown hair treatment will cause side effects, using topical creams on a long-term basis can cause redness, itching, swelling, and skin discoloration. You should monitor treated skin carefully to ensure that it doesn’t react negatively to the medication. Oral antibiotics can cause stomach upset and yeast infections in women, as they upset the balance of good and bad bacteria in the body. If you have a history of problems when it comes to taking antibiotics, then your dermatologist may suggest laser hair removal. While this is considered a relatively safe ingrown hair treatment, it may cause skin discoloration and permanent scarring when used incorrectly or if your skin is very sensitive.