Multiple Applications of LED Light Therapy
Scientific research confirms that LED light therapy is an effective, non-invasive treatment with multiple dermatological and health applications. LEDs are proving to be a game-changing tool in skincare and wellness.
A systematic review assessed multiple clinical studies on LED therapy and found that:
- Red and blue LED lights are effective in reducing acne-related inflammation
- Near-infrared LED therapy promotes overall skin rejuvenation
- LED light has been explored for treating psoriasis and atopic dermatitis.
Reference: Ngoc, L.T.N., Moon, J.Y. and Lee, Y.C.,
2023. Utilization of light‐emitting diodes
for skin therapy: Systematic review and meta‐analysis. Photodermatology, Photoimmunology & Photomedicine, 39(4), pp.303-317.
How does LED Light Therapy lead to Skin Rejuvenation?
Studies published in the Journal of Cosmetic and Laser Therapy examined the effects of red (633 nm) and near-infrared (830 nm) LED therapy on facial skin rejuvenation. The findings revealed:
- Significant reduction in signs of photoaging
- Noticeable improvement in skin texture and wrinkle depth
- Enhanced collagen production and fibroblast activity
These results confirm that red and NIR LED light can stimulate cellular repair, leading to firmer, more youthful-looking skin.
References:
Álvarez-Martínez, M. and Borden, G., 2025. A systematic review on whole-body photobiomodulation for exercise performance and recovery. Lasers in Medical Science, 40(1), p.55.
Russell, B.A., Kellett, N. and Reilly, L.R., 2005. A study to determine the efficacy of combination LED light therapy (633 nm and 830 nm) in facial skin rejuvenation. Journal of Cosmetic
and Laser Therapy, 7(3-4), pp.196-200.
LED Light Therapy for Vitamin D Production
Research suggests that LED-generated UV light is:
- More efficient than natural sunlight in stimulating Vitamin D3 (25(OH)D) production
- A promising solution for individuals with limited sun exposure
- A cost-effective alternative for maintaining healthy vitamin D levels
These findings highlight the potential of LED phototherapy as a novel approach for improving vitamin D synthesis.
Reference: Diah, D., Prahasanti, C. and Rahayu, R.P., 2024. Light Emitting Diodes as a Phototherapy Light Source for Increasing Vitamin D: A Review. Tropical Journal of Natural Product Research, 8(1).
Can LED Light Therapy Enhance Wound Healing?
A systematic review of experimental studies explored the impact of LED therapy on wound healing and found:
- Red and green LEDs influence cell proliferation and migration
- All wavelengths (green, red, infrared) contribute to extracellular matrix formation and angiogenesis
- Inflammatory responses can be modulated by green, red, and infrared LEDs.
However, the study highlights that the effectiveness of LED therapy in wound healing varies depending on the treatment conditions.