By email:
Customers: support@gmcollin.com
Business: headoffice@gmcollin.com
Press + Social Media + Influencers: pr@gmcollin.com
Careers: cv@gmcollin.com

Return shipping address :
7 rue du Canal, 68126 Bennwihr, France.

EU Responsible Person:
Ecomundo, 2 place Jules Gévelot, 92130 Issy-Les-Moulineaux, France.

Manufacturer address:
Laboratoires Dermo-Cosmetik Inc.  68 Stinson, H4N 2E7, Montréal, Québec, Canada.