I use many of Burt's Bees products. Their sunblock is a bit pasty, but it works. Check out their website.
www.burtsbees.com
Here's the product description from the website:
How it Works
This 100% natural, non-whitening formula provides broad-spectrum UVA/UVB protection and helps keep skin hydrated without using chemical sunscreen actives like octinoxate and oxybenzone. Instead, titanium dioxide, a naturally-occurring mineral creates a micro-fine barrier on your skin to reflect the sun's harmful rays. Our natural sunscreen is effective immediately upon application and safe for kids.
Featured Ingredient
Titanium Dioxide — Occurring naturally as the mineral rutile, this substance is used chiefly as a white pigment and as an opacifier. It reflects light, so (when identified as such) can be considered a natural sun block.
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Their products are available at most Target and Walmarts.