What should you know about laser hair removal?

The laser targets pigment in the hair shaft and transfers heat toward the follicle. Hair grows in cycles, so one session cannot affect every follicle at the same stage; a clinician usually plans a course of appointments. Treated hairs may shed gradually, while some regrowth can be finer or lighter. Darker hair often provides a clearer target than very pale, grey, or red hair. Device choice and settings must be matched to the skin tone to limit burns and unwanted colour change. Laser hair removal can also help some people who struggle with shaving-related ingrown hairs, but it does not diagnose or treat every cause of excess hair.

Discuss your skin tone, tanning, medicines, recent treatments, keloid scars, cold sores, and any history of unusual reactions. Avoid tanning and follow instructions about sunscreen. Shave if advised, but do not wax, pluck, or use methods that remove the follicle before treatment. On the day, keep the area clean and free of irritating products. Afterward, protect the skin from heat and sunlight, avoid picking, and follow the clinic’s instructions for washing and moisturising. Tell the clinician if hair growth is sudden or accompanied by other hormonal changes, because the underlying cause may need attention.

Mild redness around follicles can occur, but contact the clinic if pain, swelling, blistering, crusting, or redness becomes severe or continues to spread. Prompt assessment is needed for pus, fever, a rapidly worsening rash, or marked lightening or darkening of the treated skin. Urgent care is appropriate for facial swelling with breathing difficulty. Report persistent changes early so treatment settings and aftercare can be reviewed.

Ask which laser suits your skin and hair, whether a test spot is appropriate, what preparation is required, and how the clinic protects your eyes. Discuss expected shedding, maintenance, side effects, and alternatives. If shaving causes bumps, ask whether the pattern fits Razor Bumps or Ingrown Hairs and whether treatment of a related condition is needed.