To help prevent scalp folliculitis hair loss, practice good skin hygiene, avoid unsanitary hot tubs and pools, do not share razors, avoid shaving to closely, replace razor blades regularly, and keep your skin well-hydrated.f you have been diagnosed with scalp folliculitis hair loss, take the medications prescribed by your doctor or pharmacist to treat the condition. To help promote a healthy scalp, use a topical hair serum that soothes and cools the scalp.