This book is an unique book ....included every theories about skin and Microdermabrasion treatment. If the client had any question about this treatment you can answer to them professionally. 
 
Book Modules :

What does the skin do
Anatomy of skin
Fitzpatrick skin types
skin diseases
ageing skin
skin types
skin conditions
all about Microdermabrasion facial treatments
Q&A
10 facts  you did not know about your skincare
salon requirements
Preparing yourself
preparing the client
consultation techniques
identify treatment objectives
skin analyse
how to select products, tools and equipment to suit client concern
Contra-indicatons
How communicate and behave in a professional manner
Health and safety working practice
contra-indications that may occur during and following treatments and how to respond
client records
aftercare advice
Microdermabrasion facial step by step with cheat sheet
Microdermabrasion direction of strokes
Face massage techniques
Client inform consent form