I was going to start using Latisse again but I decided to try give an eyelash serum another try. I have tried eyelash serums with very little results or irritation. I got tired of wasting money so I looked into the newer lash serums on the market to see if they have improved. I decided to try Show Lash because of good views, cruelty free vegan formula, and that one tube will last up to 12 weeks. Results can be seen as soon as two weeks of use. You apply it once at night. I am on my first week. I have not experienced any irrational. It has no fragrance. I will posting updates at two weeks, a month and when I finish the tube. LTKbeauty