Updated on the main post:
Colgate-Palmolive:
1-800-268-6757 or
https://www.colgatepalmolive.ca/en-ca/contact-us
? Maybe every 6 months? Every year?
-4 x Save $1.00: This coupons is good far $1.00 off on your next purchase of 1 (one) any size Colgate-Palmolive product, including multipacks (brands listed are: Colgate, Palmolive, Speed Stick, Fleecy, Irish Spring, Softsoap, and Lady Speed STick); Expires January 31, 2019; UPC# 80007126
Do they send email confirmation? Yes
(Info last updated August 6, 2018)