Untreatable razor bumps or acne? In case you have what looks like razor bumps or acne over the again within your neck or scalp, you may have acne keloidalis nuchae. Find out what can help. However the instructions will vary from kit to package (so please read through them twice), https://edwinlrwch.mdkblog.com/34755849/the-greatest-guide-to-microdermabresion