This is a very cool product that looks simple, but does great things.
I wasn't always the best at applying sunscreen and unfortunately it shows with sunspots and areas of darker pigmentation.
It's easy to use and soaks into the skin beautifully. I've been using it all over, but you can use on specific places if you prefer. I found I started to see results into the second week of twice daily use - pretty amazing really.
It's a great price and coming from a brand like Kiehl's I trust packed full of good stuff and quality ingredients.