Laser vs IPL: Understanding the Difference

The core difference between laser and IPL is the specificity of the light. A laser delivers a single, precise wavelength to one specific target. IPL delivers a broad spectrum of wavelengths that interact with multiple targets at once. Both use controlled light energy to create thermal effects in skin tissue. Which is more appropriate depends on the concern being treated, not on which technology is newer or more expensive.

At The London Road Clinic we use both. We use Lumecca IPL for pigmentation, rosacea, redness and sun damage. We use Cynosure Elite+ laser for hair removal and selected vascular treatments. The choice between them is made at consultation based on your primary concern, skin tone and what each device is genuinely better at.

What is IPL?

IPL stands for Intense Pulsed Light. It delivers a broad band of wavelengths, typically across a range of around 500 to 1,200 nanometres, which can be filtered to different cutoffs depending on the target. Because it covers a wide spectrum rather than a single wavelength, IPL interacts with multiple chromophores in the skin at once. Chromophores are the substances in tissue that absorb light energy: melanin (responsible for pigment) and haemoglobin (responsible for red tones and vascular structures) are the two most relevant to cosmetic treatments.

The result is that a single IPL session can address both a brown age spot and a patch of redness in the same pass. That broad-target quality makes IPL well suited to photorejuvenation, improving overall skin tone, clarity and complexion in people whose concerns are diffuse or mixed rather than isolated.

Lumecca, the IPL platform we use at The London Road Clinic, delivers high-energy broadband light and is designed to produce visible improvement in fewer sessions than older, lower-powered IPL devices.

What is laser?

A laser produces a single, coherent wavelength of light. Because the energy is concentrated at one specific point on the spectrum, it is absorbed precisely by a specific target while largely leaving other tissues unaffected. This precision makes laser more powerful per target, but narrower in scope.

The Cynosure Elite+ we use at The London Road Clinic combines two wavelengths in a single platform: Alexandrite at 755nm and Nd:YAG at 1064nm. Each has a different primary target.

The Alexandrite wavelength is highly attracted to melanin, making it particularly effective for targeting hair follicles and certain pigmented lesions. It works best on lighter skin tones, where the contrast between the follicle and the surrounding skin is greatest.

The Nd:YAG wavelength sits deeper in the spectrum and penetrates further into the tissue. It is less attracted to melanin at the skin’s surface, which makes it safer on darker skin tones and better suited to targeting structures that sit below the dermal surface, including blood vessels and deeper hair follicles.

The key differences, side by side

When IPL is the stronger choice

IPL is generally better suited to skin-tone concerns where the target is diffuse rather than isolated. If your primary complaint is sun damage, age spots, general redness, rosacea or post-acne discolouration, IPL’s ability to address both pigmentation and vascular elements in a single session is a real advantage. Most patients in this group notice visible improvement over two or three sessions, with minimal disruption.

IPL is also better when the concern is widespread across a large surface area, such as the full face or chest, rather than a localised spot.

At The London Road Clinic, Lumecca IPL is used for:

• Sun spots and age-related pigmentation
• Post-acne marks and post-inflammatory pigmentation
• Rosacea and diffuse facial redness
• Fine superficial facial vessels, particularly when redness is the primary concern
• General skin tone and clarity, sometimes described as a photofacial or photorejuvenation treatment

When laser is the stronger choice

Laser is generally better when the concern is structural and requires precision rather than breadth. Hair removal is the clearest example. The follicle is the specific target, the surrounding skin should not be affected, and the energy needs to be delivered accurately to a defined depth. IPL can also treat hair, but laser delivers the chromophore-specific precision that makes hair removal more efficient over a course.

Laser is also preferred for deeper or more isolated vascular lesions, where the Nd:YAG wavelength can target a vessel more selectively without disrupting the skin surface.

Skin tone is another deciding factor. The Nd:YAG wavelength on the Cynosure Elite+ is one of the safest options for treating patients with Fitzpatrick IV, V and VI skin, where IPL at standard settings carries a higher risk of post-inflammatory hyperpigmentation.

At The London Road Clinic, Cynosure Elite+ laser is used for:

• Laser hair removal across the face and body
• Selected superficial vascular lesions, including fine facial thread veins in isolated areas
• Treatments where darker skin tone makes laser the safer clinical choice

How the decision is made at consultation

Because we use both technologies, we are not invested in recommending one over the other. The recommendation at consultation comes from three questions: what is the primary concern, what is the skin tone, and what does the evidence say about which technology addresses that specific combination most effectively?

Some patients come in asking for IPL but are better suited to laser. Some arrive expecting laser and leave with Lumecca IPL on the plan. In some cases a phased combination approach makes sense. What does not happen is a device being chosen because it happens to be the one being promoted that month.

All light-based treatments at The London Road Clinic are assessed and overseen by Dr Shahe Boghossian (Medical Consultant, GMC 5204600) before treatment begins.

Frequently asked questions