New published paper – how the wavelength of light changes when it enters and traverses through the skin

The wavelength of light changes when it moves from one medium into another. This includes moving from the air into the skin. This is due to the change in refractive index between the air and the skin. It happens all the time whenever light changes media. You can read our paper here… What does this… Continue reading New published paper – how the wavelength of light changes when it enters and traverses through the skin

Who needs to cool the skin before lasering????!!!

I just read a comment from a laser hair removal practitioner who was told, by a client, that she had been in another clinic and told that the “results would be better” if she opted not to use the cryogen. In other words, no skin cooling! Clearly that laser tech does not understand what is… Continue reading Who needs to cool the skin before lasering????!!!

New edition of my book chapter on laser/IPL hair removal – available now!

I finally received the printed copies of my new edition of the “hairy” chapter. This edition has nearly 100 more pages than the 1st edition. (305 pages in this edition compared with ‘only’ 219 in the first!!) More info on… the timings between treatment sessions; the details on the various stages of the anagen growth… Continue reading New edition of my book chapter on laser/IPL hair removal – available now!