What Does Blue LED Light Actually Do in Teeth Whitening

What Does Blue LED Light Actually Do in Teeth Whitening

What Does Blue LED Light Actually Do in Teeth Whitening?

If you've ever seen photos of people getting their teeth whitened with a glowing blue light, you've probably wondered - what does that light actually do?

Is it just for show? Is it safe? Does it make a difference?

At Lighter Brighter Smiles, we use a medical-grade blue LED light combined with 6% hydrogen peroxide - the strongest cosmetic teeth whitening formula legally allowed in Australia. Here's exactly how it works, and why it delivers fast, visible results.

The Science Behind It: Hydrogen Peroxide + Light

Hydrogen peroxide is the active ingredient in most whitening gels. It works by:

  • Penetrating the enamel
  • Releasing oxygen molecules 
  • Breaking down stain causing molecules inside and on the surface of your teeth

But here's the secret: when you pair hydrogen peroxide with a blue LED light, the process accelerates - giving you better results in less time.

Why Blue Light? Not UV, Not Purple?

We use a specific wavelength of blue light - around 470 nanometers (nm) - which is:

  • Clinically studied to activate peroxide safely
  • Non-UV (no harmful radiation)
  • Cool light, so it doesn't burn or overheat the enamel
  • Ideal for 6% hydrogen peroxide, which is the maximum strength allowed for cosmetic providers in Australia

Blue LED light boosts the peroxide's reaction without heat or damage, making it perfect for cosmetic use.

What Happens During the Whitening Session?

When the gel is applied to your teeth and exposed to blue LED light:

  1. The light activates oxygen molecules in the peroxide
  2. These molecules begin breaking the chemical bonds of deep-set stains
  3. This process whitens both surface stains and below the enamel
  4. You'll see visible whitening in just 15-20 minutes per session

Most clients experience 4-12 shades of improvement depending on their starting point.

Is Blue Light Necessary?

While hydrogen peroxide can work without light, blue LED makes the process faster, safer, and more effective. It's the reason we're able to deliver noticeable results in one visit - without sensitivity or downtime.

Many home kits don't include medical-grade blue light, and their lower peroxide levels mean slower and less dramatic results.

Is This Legal and Safe in Australia?

Yes - and this is important.

  • In Australia, only registered dentist can use peroxide levels over 6%
  • As a cosmetic provider, we legally use up to 6% hydrogen peroxide
  • Our blue light system is non-UV, non-invasive, and meets Australian safety standards
  • We also offer a desensitising gel to ensure comfort for those with sensitive teeth.

Summary: What Blue LED Light + Hydrogen Peroxide Does

Feature 
 Benefit
 Blue LED Light 470 (nm) Activates peroxide safely
6% Hydrogen Peroxide
 Breaks down stains faster
Combined Power
 Results in 4-12 shades lighter in just one session
No Heat or UV
 Safe for enamel and gums
Legal and Approved
 Meets Australian cosmetic regulations

 

Ready for a Brighter Smile?

We offer safe and effective, in-chair whitening treatments in Windang, NSW Illawarra Region, using the most advanced technology available to non-dentists.

Email: Lighterbrightersmiles@gmail.com

Socials: @Donnamurraybeauty

Book your appointment today and let's get you glowing!

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