This topic contains 1 reply, has 2 voices, and was last updated by Kate Gordon 2 years, 1 month ago. Author Posts January 2, 2016 at 12:32 pm #3218 Amanda Smith Participant Hair products expiry matter or not. January 4, 2016 at 6:18 am #3220 Kate Gordon Moderator There are no perishable items involved in the production of hair products, but still regulatory authorities made it mandatory to mention expiry dates. I think, it’s better not to use any expired products. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic.