**Author details**

Chris W. Robb1 and Michael H. Gold<sup>2</sup> \*


\*Address all correspondence to: drgold@goldskincare.com

© 2021 The Author(s). Licensee IntechOpen. This chapter is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/ by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
