➤ Where can I find the expiry date for the hair masque? September 13, 2019 07:02 Updated Follow All expiry dates are marked at the bottom of the jar. Remember to use the hair masque before it expires! Related articles ➤ What is the shelf life of the hair masque? ➤ How do I store the hair masque? ➤ How long will a jar of the masque last? ➤ Will the hair masque aggravate sensitive scalp? ➤ Where do you source your ingredients from?