About SGS Stephens, Inc.

Who We Are

In 1989, Thomas J. Stephens, Ph.D. founded In Vitro Alternatives, Inc. His efforts were in response to industry and community demand for cosmetic testing without using animals. The name of the Company was changed to Thomas J. Stephens & Associates, Inc. (Stephens), when clinic operations expanded. In 2020, Stephens was acquired by SGS and is now known as SGS Stephens, Inc. Read more

SGS is the world's leading inspection, verification, testing and certification company. SGS is recognized as the global benchmark for quality and integrity. With more than 94,000 employees, SGS operates a network of over 2,600 offices and laboratories around the world.

What We Do

SGS Stephens conducts paid clinical studies to assess the safety, performance and marketing claims of cosmetics, personal care products, both prescription and nonprescription medications and medical devices. All of these products require testing before they can be sold to consumers like you.


  • It’s a fun and easy way to earn extra money.
  • You get to try high-quality products from the top cosmetic and consumer care product companies before they hit the market.
  • It’s an opportunity to provide your opinion and contribute to research that impacts others.
  • You get to learn how products are tested


What Happens In A Study?

Stephens Walkthrough!

Vanessa Walkthrough!


"I love participating in SGS Stephens studies because I get to try new products that can be helpful. I like knowing I’m helping a company make their products better. And, getting paid to try new products is an easy & super fun way to make extra money! The staff is always quick and helpful, and their process is very streamlined. It’s definitely on of the best companies I’ve done studies with."

- Jamie P.

"Super easy to complete studies with Stephens! Staff is friendly and eager to help. All details of each study are spelled out and easy to follow. Great way to earn a little extra cash."

- Carolyn S.

"The first thing is that we are helping a company test the effectiveness of their product. That helps a potential consumer to potentially purchase the product based on clinical trials. Also, love that we are testing on humans, not animals." 

- Sharon H

"I love trying out new beauty products and getting to earn money while doing so. The tests are fun and easy. The staff at SGS Stephens Phoenix is so awesome. They are all professional and kind, and work together to get you in and out as efficiently as possible."

- Beth B.

"The staff at Stephens are always so helpful and friendly. The facilities are clean and easily accessible. Great availability of studies for all age groups and types."

- Kathleen H.

 In accordance with the FTC guide lines concerning use of endorsements and testimonials in advertising, please be aware of the following: Testimonials appearing on this site are actually received via text, audio or video submission. They are individual experiences, reflecting real life experiences of those who have used our products and/or services in some way or another. However, they are individual results and results may vary. We do not claim that they are typical results that consumers will generally achieve. The testimonials displayed (text, audio and/or video) are given verbatim except for correction of grammatical or typing errors. Some have been shortened. In other words, not the whole message received by the testimonial writer is displayed where it seemed lengthy or the whole testimonial was not relevant for the general public. SGS is not responsible for any of the opinions or comments posted to our site. SGS is not a forum for testimonials, however provides testimonials as a means for individuals to share their experiences.