My ‘Hole in a Stick’ technique…

Using IPLs on vascular and pigmented lesions can be very successful when the correct parameters are used. My theoretical research clearly shows that longer pulses are ‘better’ than shorter ones, when dealing with small and large targets. In order to test this I submitted my lovely wife to a series of treatments on her angiomas… Continue reading My ‘Hole in a Stick’ technique…

Laser energy, energy density, fluence, leprechauns and star bursts……

  I constantly hear laser users talking about the ‘energy’ they are using to treat tattoos, hair, blood vessels etc. However, it is clear that many don’t really understand what they mean. I often read about treatments using “500” or “250” or “never above 600” joules, millijoules or whatever!! I think these are the numbers… Continue reading Laser energy, energy density, fluence, leprechauns and star bursts……

Single or Double Rod Nd:YAG Lasers?

  Nowadays, it is possible to purchase Q-switched Nd:YAG lasers with a single YAG rod, or with two rods. So, what is the difference and is it important? To understand why a laser might have two rods instead of one we should look at the basic design of a laser first. Basic laser cavity A… Continue reading Single or Double Rod Nd:YAG Lasers?

Refresher Courses

I can now offer the following ‘refresher courses’: Laser tattoo removal: Choosing the correct settings Which laser is best? How does it actually work? Ink colours Pain management Managing patient expectations Minimising risk   Laser/IPL removal of hair, vessel, pigmentation + skin rejuvenation Choosing the correct settings… Understanding the light-tissue interactions The critical importance of… Continue reading Refresher Courses

Are you getting the best out of your IPL system? Most people don’t….

  IPL systems can generate excellent results in many conditions, if used correctly. However, I constantly hear people telling me that they “can’t get good results” with theirs! Why is this? Well, basically it comes down to two main factors:   either their equipment is not very good or cannot output a sufficient energy or… Continue reading Are you getting the best out of your IPL system? Most people don’t….

More on Thermal Relaxation Times

  TRTs I’ve had a number of enquiries about my article on the relevance of thermal relaxation times in photothermal treatments. They were asking for clarification. So here goes…. Thermal relaxation time (TRT) describes how quickly an object loses heat energy. Typically, it is the time taken for the temperature of an object to drop… Continue reading More on Thermal Relaxation Times