What should you know about keloid from shaving?

Shaving can cause small cuts, friction, or ingrown hairs. If inflammation injures the deeper skin, scar tissue may become raised and extend outside the original area. A keloid is not the only explanation: razor burn, folliculitis, an ingrown hair, acne, a cyst, and a hypertrophic scar can all produce bumps. A clinician looks at the distribution, firmness, hair history, colour, tenderness, and whether the mark is spreading beyond the initial injury.

Frequent close shaving, scratching, or trying to dig out a trapped hair can keep the area inflamed. Pause shaving over an irritated spot and avoid picking while it settles or is assessed.

Book a dermatology appointment if the bump is firm and persistent, grows beyond the original shaving injury, returns in the same place, or causes ongoing itch or pain. Use a clean razor, avoid repeated passes over inflamed skin, and do not pierce, squeeze, shave off, or burn the lump. Depending on the diagnosis, a clinician may discuss steroid injection, cryotherapy, laser treatment, or surgery. If ingrown hairs are driving inflammation, hair-removal advice may be part of the plan.

Do not apply strong exfoliants or unprescribed steroid products to broken skin. Record whether the area changes after shaving, friction, or a new product; that detail can help with assessment.

Seek prompt care if the bump becomes hot, rapidly red, swollen, or very painful, or if it drains pus, bleeds repeatedly, or comes with fever. These signs can suggest infection or another active condition. Get urgent help for rapidly spreading swelling, severe pain, or facial swelling with breathing difficulty.

Ask whether the area is scar tissue, folliculitis, or an ingrown hair; whether you should change your shaving method; and which treatment would limit irritation and renewed growth.