Important consumer warning: unauthorized resellers!

Thank you for visiting the official Phytoderm website. Our mission is to offer skin care solutions on the cutting edge of technology as well as unparalleled service to our customers.

We strongly recommend that G.M. Collin and Yon-Ka products be purchased exclusively from qualified estheticians or licensed beauty institutes and clinics.

G.M. Collin and Yon-Ka does not sell its products online. All G.M. Collin and Yon-Ka products marketed by unauthorized resellers and online stores are not approved or endorsed by Phytoderm.

For a list of our authorized partners, please contact our customer service at 1-800-361-1263.

IMPORTANT WARNING: Unauthorized Retailers

Phytoderm asks consumers to be mindful and cautious when buying cosmetic products online, as these could be counterfeit or they could have exceeded their expiration date. They may present health risks when used or may not perform as tested. If you purchase a G.M. Collin or Yon-Ka product from an unauthorized reseller, we cannot guarantee its quality, authenticity, or your satisfaction.

Phytoderm will not be liable for any consumer dissatisfaction.

The websites listed below claim to resell our products but are in no way related to Phytoderm and are not part of our list of authorized distributors. Thus, we strongly recommend that you always purchase your G.M. Collin or Yon-Ka products through our authorized partners.

Unauthorised Phytoderm distributor
  • Ebay
  • Walmart
  • Amazon
  • Wallgreens
  • Etc.