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Does LED Light Therapy Build Collagen?

Medically reviewed by Gabi, Aesthetic Clinician · Last reviewed 5 July 2026

Collagen is one of the main reasons people book red light therapy and LED facials. Collagen is a structural protein that helps skin look firm, smooth and resilient. If you’re considering a session, see our red light therapy London.

LED light therapy is often used to support skin rejuvenation goals, including the appearance of fine lines and texture. Results vary, and LED is best viewed as a consistent, cumulative treatment.

How red and near-infrared are used

Red and near-infrared wavelengths are commonly used in clinic LED systems for rejuvenation and recovery support. They are chosen because they can support skin function without heat or downtime.

What you can realistically expect

Most people notice improvements in glow, comfort and overall skin quality first. Fine lines and firmness changes are typically more gradual and depend on a course of sessions plus good skincare.

How to get the best results

Consistency matters. A short initial course followed by maintenance is usually more effective than a one-off. Hydration, SPF and a simple routine that supports your skin barrier can make results look better and last longer.

Who should take extra care

If you have light sensitivity, are on photosensitising medication, or have a medical condition that affects suitability, a consultation is essential before starting a course.

FAQ

Does red light therapy stimulate collagen?

Red light therapy is widely used in clinics for skin rejuvenation goals, including supporting the appearance of firmness and fine lines, which are associated with collagen.

How long until I see results?

Many people notice glow and comfort within a few sessions. Changes in the look of fine lines and firmness are usually gradual and often need a course plus maintenance.

How many sessions are recommended?

It depends on your goals. Many clients start with multiple sessions close together, then reduce frequency for maintenance.

Is at-home LED the same as clinic LED?

Home devices can help, but clinic systems typically provide higher coverage and controlled dosing with professional guidance.

Can LED replace injectables or lasers?

LED is different. It’s a non-invasive support treatment with no downtime. It can complement other treatments but doesn’t replicate the same outcomes as more invasive options.

Can I combine LED with a facial?

Yes. LED is commonly paired with facials and used after treatments to support recovery and comfort.

Related LED light therapy treatments & guides

Explore other treatments and guides at our Marylebone clinic: