Skin Care Education

LED Light Therapy

A non-invasive treatment that uses specific wavelengths of coloured light to target different skin concerns, from reducing acne and inflammation to stimulating collagen and improving overall skin quality.

What Is LED Light Therapy?

LED light therapy uses light-emitting diodes to deliver specific wavelengths of light to the skin. Different wavelengths of light penetrate to different depths in the skin and have different biological effects when absorbed by the tissue. By selecting the appropriate wavelength, the treatment can be targeted toward specific concerns including active acne, inflammation, collagen production, and general skin quality improvement.

The main wavelengths used in professional LED therapy are blue light, which targets the bacteria responsible for acne breakouts and helps reduce active lesions; red light, which penetrates deeper into the skin to stimulate collagen production, reduce inflammation, and support tissue repair; and near-infrared light, which penetrates the deepest of the three and is used for deeper tissue repair, reducing inflammation, and supporting healing after more intensive treatments. Some devices combine multiple wavelengths in a single session to address several concerns simultaneously.

LED therapy is entirely non-invasive and painless. There is no heat involved at therapeutic intensities, no damage to the skin surface, and no downtime. It is used both as a standalone treatment and as a complement to other professional treatments, where it helps reduce post-treatment redness and inflammation and supports the skin’s healing and rebuilding response. It is one of the most universally safe and well-tolerated treatments available in aesthetic practice.

What to Expect

LED therapy sessions involve lying comfortably under a panel or device that delivers the light. Protective eyewear is provided, as the light can be bright and uncomfortable for the eyes even though it does not pose a risk to the skin. The session is completely painless and most people find it relaxing. The light may feel very slightly warm but there is no significant heat sensation.

Sessions typically last between 20 and 30 minutes. There is no downtime. The skin may look slightly more flushed immediately after red or near-infrared treatment, which settles within an hour. Most people return to their normal routine immediately after the session.

LED therapy produces gradual, cumulative results rather than immediate dramatic change. A single session typically produces a mild calming effect on redness and a subtle improvement in skin quality, but meaningful improvement in acne, collagen, or inflammation requires a consistent course of treatments. Most professional protocols recommend two sessions per week for the first four to six weeks, transitioning to weekly maintenance thereafter. LED is most effective when used consistently as part of a regular skin programme rather than as an occasional one-off treatment.

Who It’s For and Results

LED light therapy is suitable for virtually all skin types, tones, and ages. Because it is entirely non-invasive and involves no heat, it is one of the few professional treatments with essentially no contraindications for the skin itself. It is particularly well suited to those with sensitive or reactive skin who do not tolerate more intensive treatments, those with active acne who want a non-prescription complementary treatment, those recovering from more intensive procedures and wanting to support healing, and those who want a gentle, cumulative approach to maintaining and improving skin quality.

For acne, blue light therapy is most effective for mild to moderate active breakouts. For anti-ageing and general skin quality, red and near-infrared light are most relevant. For post-treatment recovery and reducing inflammation, all three wavelengths contribute in different ways. Many professional LED devices allow combinations to be used in sequence within a single session.

The results of regular LED therapy include reduced frequency and severity of breakouts, calmer and less reactive skin, a gradual improvement in skin tone and texture, and enhanced results from other treatments when used alongside them. It is a gentle treatment whose benefits build steadily over time and are best appreciated over a consistent programme rather than from isolated sessions.

Frequently Asked Questions: LED Light Therapy

Blue light, typically at around 415 nanometres, targets the bacteria that contribute to acne breakouts. It is absorbed by compounds produced by these bacteria, damaging them and reducing their activity in the pore. Red light, typically at around 630 to 660 nanometres, penetrates deeper into the skin and is absorbed by cells in a way that supports collagen production, reduces inflammation, and promotes tissue repair. Near-infrared light, typically at around 830 nanometres, penetrates the deepest and is used primarily for deeper tissue repair, supporting healing after intensive treatments, and reducing more significant inflammation. Many professional LED devices combine two or more of these wavelengths in a single protocol.

No. LED and laser are both light-based treatments but they are very different in how they work and what they can achieve. Laser produces a highly concentrated, single-wavelength beam of light that can be used to remove tissue, target specific skin structures with precision, or deliver significant energy for resurfacing or tightening. LED delivers a broader, diffuse light across a wide area at low intensity, producing biological effects in the tissue without any damage to the skin surface. LED is gentle, non-invasive, and pain-free. Laser is more powerful and more targeted, with greater potential results but also greater risk and recovery requirements.

Yes. Home LED devices are widely available and can be a useful part of a regular skincare routine. Home devices are less powerful than professional equipment and require more frequent use to achieve comparable results, but they can meaningfully complement professional treatment and help maintain results between clinic sessions. For the best results from home LED use, consistency is key. Using the device regularly as directed over several weeks and months produces more noticeable results than occasional use.

Yes, and this is one of its most valuable applications. LED therapy, particularly red and near-infrared wavelengths, is commonly used immediately after or in the days following more intensive treatments such as microneedling, laser resurfacing, chemical peels, or injectables. It helps reduce post-treatment redness and inflammation, supports the healing process, and can enhance the overall result of the primary treatment. It is gentle enough to use on skin that is healing and sensitive, making it one of the few treatments that can be applied in the early recovery period after more intensive procedures.