R1c3k1lls 4 This is a product for those with sensitive eyes. I have purchased and used the serum daily since September and it surely did its job. It does not perform similarly as the latisse where lashes grow out wildly but it definitely thickens and strengthens the lashes.A good lash serum indicator for me is its non irritating ability while keeping the lashes moisturized. This did just that. I never had any burning sensation, redness or worse blurred vision situations (looking at you etude). On top of that,the ease of use is a big plus. The applicator resembles a soft sponge thus applies softly without excess. I noticed that while continuosly using the serum twice daily, my lashes rarely shed and it appears stronger, thicker and quite longer. The downside of this product is its hefty price tag.Also, i tried communicating with their marketing team to find out more about the product formula and ingredients but got no response.I'd summarize it by:Packaging 5/5Ingredients ~Application 5/5Moisture 5/5Price 4/5 (would likely repurchase)Overall Performance 4/5