Page 14 - Chapter 3 - Laser/IPL Hair Removal

Chapter 3 – Fundamentals of Laser/IPL Hair Removal 2nd Edition
Why do ‘finer’ and ‘lighter’ hairs appear after laser/IPL hair removal treatments? 183 Test Patches 185 Pain control using RF energy 186
Section 3.6 – Recommended Protocols 187
Recommended Protocols 188
‘Stamping’ vs ‘SHR’/gliding/’in-motion’ Techniques 188 Increasing the fluence with cooling 191 SHR – How does it work? 192 How to apply the 'SHR' and 'stamping' techniques properly during hair removal 193 The ‘Stacking’ Technique 193 Summary of techniques 193 Pain level – what is a good level? 194 Freezers and ice packs 194 Skin cooling – ‘No pain, no gain?’ Is this still true? 194 Contraindications 195 Timings 195 Post-treatment 196 Placement 196 Why are long-pulsed Nd:YAG and Alexandrite lasers apparently ‘easier’ to use in hair removal? 197 Why do we get poor results? 198 Treating over tattoos, moles or damaged skin 200
Section 3.7 – Technology: Lasers & IPLs 202
The Technology – Lasers and IPLs 203
Diode Lasers 203
Laser Diode Power 204 Diode Lasers - Average Power vs Peak Power 207 Triple wavelength diode lasers... 211 Triple Wavelength Diode Laser tests – what actually came out of it... 212
How do the hair removal lasers compare – a short review? 215
Diode Lasers – ‘SHR/in-motion’ vs ‘Stamping’ Techniques 216 Intense Pulsed Light Systems - What is an IPL? 218 Filtering the Flashlamp Output 222 How much energy is in each waveband? 223 IPL ‘Pulse Trains’ 224
How do hair removal technologies compare? 225
Wavelength 225 Pulsewidths 226 Fluences 227 Absorption 228 Skin colours 228 Device Cooling 229 Power Densities 230
Difference between IPL and Diode Laser hair removal 232
Comparison between Lasers and IPL Systems 232 Risk of unwanted damage in LHR 234
Comparison between lasers and IPLs – Results from clinical studies 235
Unwanted Side Effects 235 Laser vs IPL – Some Myths... 236 IPL Light Energy – How Much Actually Reaches the Skin? 240 Advantages and Benefits of IPLs over Lasers 242
________________________________________________________________________ 14 Chapter 3, Ed. 2.0 Laser/IPL Hair Removal
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