I remember when it just used to be a choice between regular sunblock and waterproof sunblock. Then you choose your preferred SPF: 25, 30, and 45 (this was even rare back then). I remember, it was just Coppertone.

Now, with today's drastic climate change where the sun is hotter compared to 10 or 15 years ago, cosmetic companies have come out with a wide variety of sunblocks that caters to different outdoor activities, and according to your preferred skin treatment!