
Key Takeaways
- Red light therapy uses specific wavelengths (630-850nm) to boost collagen and reduce inflammation
- Most people see results in 4-8 weeks with consistent 10-15 minute daily sessions
- Safe for all skin types with no downtime or UV exposure
- Works best as part of a complete skincare routine, not a replacement
What is Red Light Therapy?
Red light therapy (RLT) is a non-invasive treatment that uses low-level wavelengths of red and near-infrared light to improve skin health, reduce inflammation, and promote healing. Unlike UV light, RLT doesn't damage skin—it works at the cellular level to boost energy production.
The technology was originally developed by NASA to help plants grow in space, but researchers quickly discovered benefits for human tissue healing and skin rejuvenation.
How Does It Work?
Red light penetrates the skin and is absorbed by mitochondria—the powerhouses of your cells. This triggers a cascade of beneficial effects:
- Increased ATP production — More cellular energy for repair and regeneration
- Collagen stimulation — Improved skin elasticity and reduced fine lines
- Reduced inflammation — Calms redness and irritation
- Enhanced circulation — Better nutrient delivery to skin cells
Who Benefits from Red Light Therapy?
RLT is remarkably versatile. Research shows benefits for:
- People concerned with aging skin (fine lines, wrinkles, loss of firmness)
- Those with acne or acne scars
- Anyone dealing with inflammation or redness
- Athletes looking to speed muscle recovery
- People with chronic pain conditions
The best part? It's safe for all skin types and tones, with no known side effects when used correctly.
Building Your RLT Routine
Consistency matters more than intensity. Here's a realistic routine:
- Start slow — 5 minutes daily for the first week
- Build up — Increase to 10-15 minutes as comfortable
- Stay consistent — Daily use for 4-8 weeks shows best results
- Be patient — Cellular changes take time to show
Pro tip: Use after cleansing, before serums. The light penetrates best on clean, product-free skin.



