As the title indicates, this is a quick reference guide that only indicates the most common contraindications for each type of treatment. Rare and special contraindications may be excluded from this guide.

Technologies evolve and treatment techniques evolve, pre- and post-care techniques will also evolve. The care techniques discussed in this book, represent the care techniques commonly used at the time of writing of this book.

The purpose of the book on light therapy (photobiomodulation) in the beauty salon is to provide a comprehensive guide for beauty specialists and other professionals in the beauty industry interested in implementing this therapy in their practice. The book aims to give readers a clear understanding of (red) light therapy, including the scientific basis, applications, safety guidelines, and practical implementation.

Through this book, I aim to educate beauty specialists and professionals about ...