The best sunblock is the one that you will use consistently and effectively. It should provide broad-spectrum protection against both UVA and UVB rays, have an SPF of 30 or higher, and be water-resistant.
Here are some of the best sunblocks on the market, broken down by category:
Best overall body sunscreen: Rodan + Fields Essentials Face + Body Sunscreen SPF 50.
Best value body sunscreen: Hawaiian Tropic Skin Defense Sunscreen Lotion SPF 50.
Best overall face sunscreen: Vichy LiftActiv Peptide-C Sunscreen SPF 30.
Best value face sunscreen: Hawaiian Tropic Sheer Touch Face Serum.
Ultimately, the best sunblock for you will depend on your individual skin type, needs, and preferences.