Tag: skin-care

Which are the most ‘aggressive’ wavelengths?

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Someone recently asked me ‘which is the most aggressive wavelength for the skin?’ That’s interesting question… We should first start by identifying which wavelengths we need to consider. In many skin treatments we use visible and near-infrared light – from around 400 nm up to 1064 nm (Nd:YAG) or even 2940 nm (erbium:YAG). CO2 lasers… Continue reading Which are the most ‘aggressive’ wavelengths?

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

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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????!!!

Hair removal – how does fluence relate to depth?

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We all know that light energy can kill hair follicles. It has been around since about 1996. But, many people still don’t understand the relationship between fluence and depth in the skin. Let’s begin with fluence – what is it? Simply put, fluence is just the concentration of light energy on the skin surface. If… Continue reading Hair removal – how does fluence relate to depth?

Fitzpatrick Type – what does this really mean and how does it affect our laser/IPL skin treatments?

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Here we go again! Fitzpatrick – the most mis-understood concept in laser/IPL therapies. Everyone who does laser/IPL treatments on the skin talks about the “Fitzpatrick”. Yet most people don’t really know what it means! Here is my take: There are two things you MUST understand: Dr Fitzpatrick was an American dermatologist who devised a scale… Continue reading Fitzpatrick Type – what does this really mean and how does it affect our laser/IPL skin treatments?