What should you know about a laser hair removal handset?

The device delivers concentrated light that is absorbed by pigment in the hair shaft and follicle. Hair in an active growth stage responds most readily, so treatment is carried out over repeated sessions rather than as a single event. Darker, coarser hair often responds more clearly than very light, grey, or red hair.

A handset is not interchangeable with every professional laser system. Its energy, cooling, treatment window, and instructions vary. It may help reduce shaving-related irritation and [Ingrown Hairs](/symptoms/ingrown-hairs/), but it does not diagnose the cause of excess hair. New facial or body hair can also relate to [Hirsutism](/conditions/hirsutism/).

Read the manufacturer instructions, patch-test a small area, and wait to see how your skin reacts before treating a larger region. Avoid recently tanned or sunburned skin, protect nearby eyes, and do not use the handset over open wounds, active infection, or a changing mole. Shave rather than wax or pluck when the instructions call for hair to remain in the follicle.

A trained clinician can help match a professional system to your skin and hair. Options may include an [Alexandrite Laser](/technology/alexandrite-laser/), [Diode Laser](/technology/diode-laser/), or [Nd:YAG Laser](/technology/nd-yag-laser/).

Stop treatment and seek medical advice for blistering, severe or increasing pain, marked swelling, pus, spreading redness, or skin colour changes that do not settle. Get prompt care for eye pain or vision changes after facial treatment. A clinician should assess a persistent rash or a sudden change in hair growth rather than having you increase the device setting.

Ask whether your skin tone, hair colour, medications, and medical history make this device appropriate; which areas should be avoided; what setting and schedule are suitable; and how to manage an unexpected reaction.