Blue vs. Red Light Therapy: How LED Facials Help Acne, Aging, and Skin Health

Claire Maynard
Sep 14
2 min read

Blue Light: Your Acne-Fighting Ally

Blue LED light, with wavelengths around 410 nanometers, penetrates the upper layers of your skin (the epidermis). Its main superpower? Tackling acne-causing bacteria known as P. acnes.

Stops bacteria in its tracks: Blue light disrupts bacterial growth so those pesky breakouts don’t stand a chance.
Calms inflammation: Red, irritated blemishes start to look less angry.
Prevents future flare-ups: By treating acne at its source, blue light helps keep your skin clearer over time.

It’s a gentle yet powerful way to fight acne without harsh topicals or antibiotics.

Red Light: The Skin-Soothing Rebuilder

Red LED light, with wavelengths around 645-655 nanometers, dives deeper into the dermis, where your skin’s support system lives.

Stimulates collagen production: By activating fibroblasts (the cells that make collagen), red light helps strengthen your skin’s structure.
Reduces fine lines and wrinkles: With time, skin looks smoother and firmer.
Boosts circulation: Better blood flow = faster healing and that natural, healthy glow.

Think of red light as your skin’s personal trainer: building resilience, repairing damage, and keeping your complexion youthful.

Why We Love Combining the Two

While each light works differently, combining them creates a powerful treatment duo. Blue light addresses acne-causing bacteria on the surface, while red light works deeper to calm, repair, and rejuvenate. Together, they don’t just treat symptoms, they support overall skin health.

Ready to Try LED Light Therapy?

Adding light therapy to your skincare routine is a safe, non-invasive way to boost your results and see real improvements over time. Whether your goal is clearing breakouts, softening fine lines, or just maintaining a healthy glow, LED can be an amazing addition to your treatment plan.

Curious about how light therapy could fit into your skincare journey? Book a visit with Clarity Skin and let’s create a plan that gets your skin exactly what it needs.