How many times can strip lashes be used?

20 -25 times with proper care ( see lash facts for reference)

Do strip lashes ruin natural eyelashes?

When used properly they do not damage at all. It is only when you over apply glue. If you pull aggressively you may pull out some so be gentle.

What makes minks different?

Different hair is available for eyelash strips silk, synthetic, mink. Mink is most exspensive because they are most durable and will last longer than silk or synthetic hair.