S kincare has become big business . Looking and feeling good , both on the inside and out has become a significant market and led companies to vie against one another to not only attract new customers , but also retain a solid customer base in the process . In North America , the premium skincare market is set to reach $ 9.9bn by 2021 , with the US accounting for 15 % of global premium skincare sales alone . However , whilst the majority of adult skincare products focus on areas such as anti-aging , dry , sensitive , or oily skin , Dr . Katie Rodan and Dr . Kathy Fields founded Rodan + Fields to support the growing gap for dermatological products within the adult skincare market . With over 200,000 independent consultants across the US , Canada and Australia , Rodan + Fields has gained over 2mn customers , and is projected to continue to drive double-digital