Do you have a question, comment or idea to share? Please feel free to Contact Us! Would you like to read commonly asked questions regarding Cetaphil? Please review our FAQs. Mailing Address: Galderma Canada Inc 105 Commerce Valley Drive West, Suite 300 Thornhill ON L3T 7W3 Attention: Cetaphil.ca Telephone: (905) 762-2500 or Toll Free (800) 467-2081