Since 2009, when Allergan released Latisse, the first FDA-approved lash serum, more products have entered the market. Over 50 lash serum products are now vying for consumers’ attention on the market. When purchasing eyelash serum, customers should exercise caution. Some lash serums include dangerous substances and might have negative side effects.

Here are some factors you should think about before purchasing lash supplies to help people make an informed decision.