I also start out (when it is most concentrated) on bigger areas like my legs or stomach and back. When it is medium saturation, I do my arms and then do my face when there it is medium/mediumly-light saturation on the towlette. I do it this way to make sure that my face doesn't turn orange and absorb it more than my other body parts. Since these are "half towelettes" I was able to do one side at a time and stick with the technique I mentioned. However,although these are "1/2 body" it would be really hard to get everything in just two. I'm petite and I used 3 and I was stretching it even with three to get everything.
Also, it is important to note that there is a smell when you apply it and after (only slight). When I was applying it, the towelettes smelled slightly of self-tanner and also smelled like red wine... Which was odd but not unpleasant. I noticed a very slight self-tanning smell after I got dressed, but I just put on some perfume and you couldn't tell! With all of that said, the results showed up fairly fast and didn't look super fake :)! I really like the slight glow it has.
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*I received this product at a heavily discounted price in exchange for my honest and unbiased review*