Talika light duo

[237SJ]

I`ve been looking at this product. The orange light that it emits claims to stimulate collagen and I think that that theory has already been discredited scientifically. The green light claims to even out skin pigmentation via the same frequency as IPL (intense pulsed light). Is there any truth in the IPL claims or is that just nonsense as well? (I think I have an idea what the answer will be but I live in hope)

[237SJ]

As an afterthought - I read (about 12 years ago) that when cats purr they purr at the same frequency that promotes bone growth. The purring was a wellbeing mechanism. Could IPL work along the same lines?

[theprof]

If only 237SJ. There is no documented evidence of light wavelengths having the described effect upon human skin. It should be noted that the manufacturer fails to cite any scientific journals or papers published in support of these claims. I also understand that the wavelengths claimed are somewhat problematical for LED's to produce.

[237SJ]

Thanks theprof. There is a competition at work to win one of these things. I won`t bother entering then.

[jomifl]

I would imagine that the intensity of light produced at whatever frequency by these devices is far exceeded by natural daylight even if you are wearing clothes. Does the manufacturer give any specifications such as frequency/wavelength band and intensity?

[theprof]

No jomifl, precise wavelengths are not disclosed. They do provide vague information on the website such as "light 590" emitted by one section of the unit should not be used by epileptics. However, I understand there is no printed warning to this effect on the carton to alert people prior to purchase. Given that some of these people may have heard from friends about the device, the failure to alert potential buyers is reprehensible.

[theprof]

The uniqueness of the device is said to revolve around the fact that "pulsed light" emitted by the unit is the basis of its efficacy.

[jomifl]

Hi Prof. the 'pulsing'effect could be problematical for epileptics I guess. I suspect that the 'pulsing' effect is cause by using an unsmoothed step down transformer so would be 50 Hz or a muliple of it. I also suspect that it it isn't bright enough to have any effect whatever, good or bad which is why the manufacturers don't feel the need to warn people adequately.