Website address: https://dawn-dish.com/en-us
Phone Number: 1-800-725-3296
Email/contact form: https://dawn-dish.com/en-us/contact-us
Facebook page: https://www.facebook.com/dawn/
Twitter account: https://twitter.com/DawnDish
Mailing address: The Proctor and Gamble Company, Attn: DAWN, 1 P&G Plaza Cincinnati, Ohio 45202