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Red Light Therapy For Cold Sores: Hold the Key

Have you ever felt embarrassed and miserable because of a cold sore? Have you ever tried various methods to treat it, but the results are not satisfactory? Today, I’m going to introduce you to a new, highly effective, and painless treatment called red light therapy. Let’s take a look at the magic effect of red light therapy for cold sores!

Red Light Therapy For Cold Sores: Hold the Key

Learn About Cold Sores

First things first – what exactly cause? Cold sores, also known as fever blisters, are small fluid-filled lesions caused by the herpes simplex virus (HSV). There are two types – HSV-1 typically causes oral outbreaks around the lips/mouth while HSV-2 prefers the genital region.

Most folks unknowingly contract the virus as kids through contact with an infected person’s saliva. It lays dormant in nerves near the face and spine until environmental triggers like stress, fatigue, illness or hormones spark a recurrence. This sees virus particles traveling down nerve fibers to skin cells, multiplying rapidly and erupting as sore-filled clusters.

While cold sores usually clear within 10 days, that initial itching/burning phase hurts like heck! Existing medications aim to shorten duration but few true cures exist. Enter red light therapy’s photobiomodulation potential to speed healing from within. But does the scientific evidence back it up? Let’s explore!

What Cold Sores Respond to Red Light Therapy?

Both HSV-1 oral cold sores and HSV-2 genital outbreaks show promise for responding to therapeutic wavelengths in the 600-900nm red/near-infrared range. Several in-vitro and animal studies illuminate why:

  • Red light indirectly damages HSV DNA, inhibiting replication to slow infection spread.
  • It stimulates anti-viral interferon production from immune cells on a molecular level.
  • Accelerated wound healing occurs through increased collagen and new blood vessel formation.
  • Powerful anti-inflammatory effects soothe pain and reduce unsightly swelling fast.

Human clinical trials are still emerging but consistently report shorter healing times and fewer recurrences when red light is applied at early lesion stages 2-3 times daily. Both prevention and treatment models offer hope.

How Red Light Therapy Zaps Cold Sores at the Source?

Unlike topical creams that treat surface-level symptoms, red and infrared wavelengths harness the following photobiological mechanisms to fight HSV-1 at its viral source:

  • Reduces inflammation: Decreases lymphocyte/monocyte cellular responses and pro-inflammatory cytokine secretions lowering swelling/pain.
  • Boosts immunity: Stimulates macrophage phagocytic activity while inducing secretion of antiviral/antibacterial compounds nitric oxide and hydrogen peroxide.
  • Inhibits viral replication: The light energy directly impedes HSV-1 DNA/RNA replication processes and protein expression via photodynamic/biostimulation impacts on infected cell mitochondria.
  • Promotes wound healing: Stimulates fibroblasts, endothelial cells, and keratinocytes involved in reducing HSV lesions, collagen deposition, and faster epithelialization preventing scarring.

By targeting multiple hurdles in the HSV-1 lifecycle, red light therapy starves the virus of resources needed for reactivation symptoms over the long run.

How Red Light Therapy Zaps Cold Sores at the Source?

Does the Scientific Evidence Back It Up?

Given its growing research backing photobiomodulation for various skin, wound, and antiviral applications, it’s reasonable to believe red light offers promising benefits. While larger human trials are still emerging:

  • Existing case studies and cellular evidence support faster healing times.
  • No serious side effects were reported when following safe exposure parameters.
  • Low-risk, non-invasive nature makes it worth exploring, especially as a supplemental treatment.
  • Studies have shown that red light therapy can significantly reduce pain in patients compared to placebo.

While not a magic cure on its own, pairing red light with antivirals may work synergistically to reduce duration and frequency better than standalone options. Consistent use improves chances of noticing real relief.

Are There Any Side Effects?

At low to medium intensity levels as directed by manufacturers, red light therapy poses zero reported side effects or risks to health:

  • Being non-ionizing, the wavelengths do not carry DNA-damaging photochemical or thermal hazards like sun/UV exposure.
  • No acute symptoms occur during or after treatments besides possible minor temperature increases that are transient and painless.
  • No long-term cumulative effects from daily home use have been noted even at higher doses lasting hours, demonstrating an outstanding safety profile.
  • Can be safely combined with alternative therapies and conventional antiviral medications for synergistic effects without drug interactions.

So in summary, red light therapy treats cold sores without any of the medication side effects risks like nausea, headaches or stomach upset some patients experience.

How to Use Red Light Therapy for Cold Sores?

For best results, start zapping cold sores at the very earliest tingling/itching phase for 5-10 minutes 2-3x daily:

  • Clean the area as usual with mild soap to remove debris
  • Gently dry: do not apply creams which could block penetration
  • Hold light source 1-3 inches above lesion(s), slowly circling the entire area
  • Focus on any visible clusters or sites of discomfort
  • Clean again and observe if lesions appear less angry/swollen after
  • Continue until full healing to aid in preventing future outbreaks

Be patient – results strengthen with consistency over multiple sessions versus isolated attempts which aren’t as effective. Stick with it!

Reasons for Choosing the RedDot LED Device

After weighing the top options, the RedDot LED system stands out:

  • 660nm clinically proven wavelengths optimize healing, with FDA-approved.
  • High-power 50+ medical-grade LEDs deliver potent doses.
  • Versatile lighting panels suit facial/site-specific use for sores.
  • A 3-year warranty assures long-lasting confidence.

RedDot’s thoughtful engineering, emphasis on science-based wellness, and gold-standard customer care make it an outstanding choice for those wanting to experience red light therapy’s full lip service!


For a safe, simple solution to help speed cold sore healing from within, red light therapy holds tremendous shining potential. While no substitute for antivirals, using them alongside medications may bring even faster, longer-lasting relief.

Overall, red light therapy is an efficient, safe, and convenient way to treat cold sores. If you are looking for an effective treatment, then red light therapy is your best choice. Take action now and let red light therapy help you get rid of cold sores!

Published by reddotled.com (Repost Tips)