They say to leave an infected ingrown hair alone. Don't pick it, pop it or mess with it. Our hands have bacteria on them and it can make things worse. Here is an article on ingrown pubic hairs that might be infected. https://www.healthline.com/health/infected-ingrown-hair#treatment. Is yours warm to the touch, red, swollen and itching? Could be infected from your description. You can use a warm wash cloth to wash the area where it is, apply tree tea oil or hydrocortisone. If that doesn't do the trick, you need to see your doctor. In general, try not to shave the area for a while, put a warm compress on the area of wash cloth.
Skin there can look funky for a bit and go back to normal. But try not to touch it a lot.