Dr. Trevor Cates is author of the USA Today and Amazon bestselling book Clean Skin From Within and founder of The Spa Dr. natural skin care line.

She was the first woman licensed as a naturopathic doctor in California and currently lives in Park City, Utah where she helps patients from around the world achieve naturally glowing skin. She has been featured on various TV shows, including The Doctors and Extra TV. Dr. Cates is host of The Spa Dr. weekly podcast and her PBS special, Younger Skin From Within. She believes the key to healthy skin is inner and outer nourishment with natural and non-toxic ingredients.