I can attest to how good the sunblock is… I normally get a sunburn when I walk by an exposed lightbulb so I use a ton of sunblock and have to reapply often. I put the Harken Derm on before I left my office and never felt the need to reapply.
Harken Derm is a life saver! I have tried dozens of sunblocks and this is the only one I've found that is natural, non-greasy, works in smaller amounts, smells wonderful, and doesn't sting my eyes. I love the After Sun product, too. These products are totally worth it, thank you!