STIEFEL WORLDWIDE Contact Us Welcome to Stiefel Laboratories Stiefel Laboratories is committed to advancing dermatology and skin science around the world. Complete dedication and innovation in dermatology makes Stiefel the largest independent dermatology company in the world. Find-us: This website is funded and developed by Stiefel Laboratories, Inc. This site is intended for Spain residents only. © 1997-2018 Stiefel Laboratories, Inc. All Rights Reserved. Privacy statement