What happens if I forget to use the M2 Eyelash Activating Serum for one or more days?
Just return to your normal routine. Do not attempt to make up for skipped applications with additional or heavier use.
https://www.m2beaute.com/en/eye-care-faqs/m2-beaute-eyelash-activating-serum/what-happens-if-i-forget-to-use-the-m2-eyelash-activating-serum-for-one-or-more-days