Laser hair removal vs IPL is a comparison of two light-based ways to reduce hair growth. Both send light into the skin, where it is absorbed by the pigment in the hair and turned into heat that damages the follicle. The difference lies in the kind of light, and that affects how well each works, on whom, and how safely.
How they differ
| Laser | IPL (intense pulsed light) | |
|---|---|---|
| Light | A single, focused wavelength | A broad range of wavelengths, filtered |
| Targeting | Precise; energy concentrated on the follicle | Less precise; energy more spread out |
| Typical setting | Clinics, with trained practitioners | Clinics and salons; lower-energy home devices |
| Sessions usually needed | About 6 or more | Often more than laser |
| Results | Long-term reduction; generally the more effective | Reduction; usually more gradual |
| Skin tones | Different lasers suit different tones; some are designed for darker skin | Works best on lighter skin; higher risk on darker skin |
| Cost per session | Higher | Lower; home devices are a one-off purchase |
IPL is not a laser, although it is often marketed alongside one.
What "permanent" really means
Neither treatment guarantees that hair will never return. Most people get a lasting reduction in the amount and thickness of hair. Hair that regrows is usually finer and lighter, and occasional maintenance sessions are common. Electrolysis, which treats each follicle with an electric current, is the method recognized for permanent removal, and it is used mainly for small areas.
Who it works best for
Light-based hair removal relies on contrast between the hair and the skin.
- Best results: dark, coarse hair on lighter skin.
- Darker skin tones: treatment is possible, but it needs the right type of laser and an experienced practitioner, because skin pigment also absorbs the light. The risk of burns and color changes is higher with unsuitable devices, including many IPL machines.
- Blonde, red, gray and white hair: there is too little pigment for the light to target. Results are usually poor.
What treatment involves
- Consultation. Your skin and hair type, medical history and medicines are checked, and a small test patch is usually done.
- Preparation. Shave the area the day before. Do not wax, pluck or epilate for several weeks beforehand, because the root has to be present. Avoid sun, sunbeds and self-tanner. See How to Prepare Your Skin for Hair Removal.
- The session. Eyes are protected with goggles. Each pulse feels like a snap from an elastic band, with heat. Cooling is applied.
- Afterwards. Redness and swelling around the follicles for a few hours are common.
- Repeat sessions, usually four to eight weeks apart, because hairs grow in cycles, and only growing hairs respond.
Side effects and risks
- Redness, swelling and tenderness. Common, and short-lived.
- Burns and blisters.
- Lighter or darker patches of skin, which may be temporary or lasting.
- Scarring. Rare.
- Eye injury, without proper protection.
- Occasionally, increased hair growth around the treated area.
Risks are higher on tanned or darker skin, with inexperienced operators and with unsuitable settings.
Choosing a provider
- Look for a medically supervised clinic, or a practitioner with recognized qualifications. Regulation varies between countries.
- Ask what type of device is used, and whether it suits your skin tone.
- Ask who will carry out the treatment, and what experience they have with skin like yours.
- Expect a consultation, a patch test and written aftercare advice.
- Be cautious about very cheap offers, pressure selling and promises of "100% permanent" results.
Dermatology organizations advise that laser hair removal is a medical procedure, and that results and safety depend strongly on the skill of the person performing it.
At-home IPL devices
Home devices use lower energy, so they are slower and less powerful than clinic treatment. They can reduce hair with regular use on suitable skin and hair colors. Many have skin tone sensors that prevent use on darker skin. At-Home IPL Buying Guide: Suitability and Safety Labels explains what to check before buying.
Aftercare
- Cool the area, and use a plain moisturizer.
- Avoid sun exposure, and apply a broad-spectrum sunscreen of SPF 30 or higher to treated skin. See Sun Protection Tips Beyond Sunscreen.
- Avoid hot baths, saunas and heavy exercise for a day or two.
- Do not wax or pluck between sessions. Shaving is fine.
- Do not pick at treated skin.
When laser or IPL is not suitable
- During pregnancy. Most providers do not treat.
- On tanned or sunburnt skin.
- Over tattoos, or over moles, unless the practitioner covers them.
- With some medicines that increase sensitivity to light, and with some skin or medical conditions. Tell the practitioner everything you take.
Is it worth it?
It can be, for people with suitable coloring who want long-term reduction, and especially for those troubled by ingrown hairs or razor bumps. See Razor Burn vs Ingrown Hairs: Signs and Care. It costs more at the start than other methods and needs commitment to a course. Shaving vs Waxing vs Epilating: Key Differences compares the shorter-term methods.
Related on ArniSun
- At-Home IPL Buying Guide: Suitability and Safety Labels
- Shaving vs Waxing vs Epilating: Key Differences
- Razor Burn vs Ingrown Hairs: Signs and Care
- How to Prepare Your Skin for Hair Removal
- Sun Protection Tips Beyond Sunscreen
Sources and further reading
Frequently asked questions
Is laser better than IPL for hair removal?
Laser is generally more effective and needs fewer sessions, and specific lasers are safer for darker skin. IPL is cheaper and can work well on light skin with dark hair.
Is laser hair removal permanent?
It usually gives long-lasting reduction, not a guarantee of permanent removal. Some regrowth and occasional maintenance sessions are normal.
Does laser hair removal work on dark skin?
Yes, with the right kind of laser and an experienced practitioner. Not all devices are suitable, so ask what will be used.