I just turned 30 this year and have been focusing on my aging skin and how to protect it from maturing any quicker than necessary. I could not find a perfect sunscreen until this came in my box. I used up that sample so fast! I put it on before doing my make up routine and it did not feel greasy at all. It soaked into my skin fast and had no affect on my primer or foundation. It did not make me break out which even Lancome sunscreen does. I am really really happy with this product. I just bought the Supergoop sunscreen finishing spray because I like it so much. It was being sold in the sample section of Sephora. I figured I would try it. The finishing spray isnt as good because it comes out a little harsh instead of like a mist. Aside from that, it works the same. I personally will just stick to getting the serum when my finishing spray runs out.