EVELINE SOS Eyelash Serum With Argan Oil 10ml

then proceed to apply a thin coat of this product on your lashes. Let the serum stay there for 24 hours and check for any signs of a reaction. Since this is a new product to you, you should not go all in at first lest you land in the ER. 2. Go slow on the application: You need to give your skin time to adjust to a new product. You can easily do this by limiting the application frequency. Instead of applying the serum daily, go for a few days per week. This will reduce the chances of severe side effects. As your lashes get used to the product, you can use it daily.