http://www.hoyu-usa.com/bigen/Professional.php

Welcome! As a hair care professional, you know how important it is to maintain a strong working knowledge of new products and innovations in your field. On the Bigen/Xpressive Professional site, you’ll gain a deeper understanding of our revolutionary approach to hair coloring. You’ll also find useful hair care and hair coloring tips, educational background and resources, free product samples and special promotions.

For today’s busy professional, we offer the following:

Unlimited access to useful hair care and coloring tips, techniques and advice from other professionals.
Free samples* of hair care items, such as hair color, shampoo, conditioner and gloss. (*Samples may vary. Some restrictions may apply.)
Special promotions, offers and value coupons.