The packages have instructions, but personally it depends on the mask and the effect I am trying to achieve. The majority I would advise to remove when the mask hardens or gets stiff - that's probably the best general rule.
Please reconnect the following networks to maintain your Social Impact. The connection may have expired.
Connect Google Plus
You must grant Influenster the requested permissions in order to connect your social media account. We will not post on your behalf without permission, nor share your personal information with any 3rd party companies.
Join now to gain access to over a million product reviews, free full size samples, and the latest product news.