CLEAN SKIN FROM WITHIN

2-WEEK PROGRAM

Discover the Method for Radiant Skin from the Inside Out

Written by Dr. Trevor Cates, a licensed naturopathic doctor, two-time bestselling author, and founder of The Spa Dr., a clean skincare and wellness brand.

The Clean Skin From Within guide will change the way you care for your skin.

Download for FREE and discover the method that’s helped thousands of women achieve balanced and youthful-looking skin.
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As Seen In

“Dr. Trevor Cates, founder of The Spa Dr. celebrity-loved skincare line, is helping others transform their skin from the inside out.”
- Henderson from
“She has been featured on various TV shows, including The Doctors and PBS. She believes the key to healthy skin is addressing the root cause with inner and outer nourishment. ”.
- Dr. William Seeds from

Transform Your Skin from the Inside Out

In this FREE Clean Skin From Within guide, you’ll discover the integrative approach developed by Dr. Trevor, a nationally recognized skin and hormone expert.

Through simple, science-based nutrition, detox, and daily rituals, you’ll learn how to:
Understand the root causes of your skin concerns and what triggers them
Nourish your body and complexion through clean meals, antioxidants, and collagen-supporting nutrients
Enhance your skincare results with natural, toxin-free products from The Spa Dr. that complement your internal reset
Created by Skin & Hormone Expert
Dr. Trevor Cates
• Dr. Trevor Cates was the first female Naturopathic Doctor licensed in CA.
• Author of two bestselling books, Clean Skin From Within and Natural Beauty Reset.
• Founder of The Spa Dr., a non-toxic skincare and wellness brand that supports beauty from the inside out.
• +214,000 women trusted The Spa Dr. for safer and effective skincare.
For over a decade, Dr. Cates has helped thousands of women achieve healthy skin by addressing what’s happening beneath the surface — naturally.

Method with Proven Results

Combine clean eating with The Spa Dr. skincare for visible, lasting change.
"I’ve tried many things over the years and I wasn't happy with my skin look, but omg this was different. I started following the book tips and combined it with the spa dr skincare system and within months my skin looked... amazing"
– Regina P.
The Spa Dr. VIP Customer
“I’ve used this for two weeks now and I can see a difference already. My skin looks smoother and tighter.”
– Christy H.
The Spa Dr. VIP Customer
"I love how lightweight this serum is and leaves my skin feeling very soft and smooth! It's a little pricey though."
– Rachel B.
The Spa Dr. VIP Customer

Loved by Readers

"Dr. Cates helped me understand how my diet and hormones were affecting my skin. Two weeks into her plan and using her clean skincare, my complexion was clearer than it’s been in years."
— Jessica B.
"I’ve read countless skincare books, but this one finally connected the dots between my lifestyle and my breakouts. I trust Dr. Cates’s approach completely and I love The Spa Dr’s products.
‍— Teresa E.

Enhance your results

Feel the difference with The Spa Dr’s clean, non-toxic skincare and haircare
Try it now