LED Skin Care

How Often Should You Use LED Skin Care Devices?

Hi,

I was reading your comments on the Baby Quasar and I was hoping you could be of some help. I tried reading the article you referred to in the Photochemical and Photobiological Sciences journal.

It was really hard to interpret without being familiar with all the technical jargon.

I was hoping you could tell me how much LED light the article found to be too much. I know you said that too much exposure to it has a negative effect and I'm wondering what exactly too much refers to (how many minutes/hours and on what wavelength).

I've been using the Marvel Mini [ renamed Evis Beauty] for a while and love the results. When I bought it the salesperson said that I could pretty much use it as much as I wanted and it wouldn't have any negative effects. I use it about 4 times a week.

I was really hoping to get the Baby Quasar, but am hesitant. Does a higher number wavelength mean that it is more potent? Or is it the lower that number the higher the potency? So for instance, is 630 more powerful or less powerful than 1200 nm?

Couldn't I use the baby quasar on the safer wavelength, since it looks like you can choose the settings yourself?

Thanks so much for your help Jean!

Des

First let's review a couple of things I said in my first article on LED treatments .

NASA found that optimal LED wavelengths for tissue penetration are 680, 730 and 880 nanometers (billionths of a meter). Baby Quasar uses wavelengths of 630 to 1200 nm.

NASA also experimented with different levels of energy to deliver the light. They found that, at 4 joules per square centimeter, DNA synthesis in fibroblasts and muscle cells could be quintupled.

[ Joule is a measure of energy. One joule is equivalent to one watt radiated for one second.]

Baby Quasar uses 2.6 joules per square centimeter. So the Baby Quasar therapy differs from NASA's research in two ways. It uses wavelengths slightly beyond the NASA range, but delivers them with less energy.

However, NASA's is not the only research which supports the efficacy of photodynamic therapy. Other reseachers have tested phototherapy using wavelengths such as Baby Quasar and Marvel Mini use and found them to be unequivocally beneficial. Both these appliances have been FDA-approved as safe for home use.

The numbers assigned to wavelengths do not relate to power, only to where the wavelength is found on the color spectrum.

Wavelengths in the red and near infra-red range are the ones which are used in phototherapy. The body of research to support phototherapy for anti-aging continues to grow. I reported on this in my Top Anti-Aging Developments of 2007.

I only mention the research reported in the Photochemical and Photobiological Sciences journal to caution users of the home phototherapy units not to get carried away. Interestingly the phototherapy used in this particular study was laser light rather than LED.

I've written a second article on LED therapy in which I discuss whether its use may be preferable to laser phototherapy for skin anti-aging.

Finally, since you are considering purchase of the Baby Quasar, you may find some helpful information in this article which compares it to the Marvel Mini.

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