[Routine help] Want to include sunscreen on the reg, can't figure out how to make it easy

Beauty Tips For Body Care
So I am a 22 year old female looking to finally start wearing sunscreen on the reg. I usually only wear it when I'm going out to the beach, etc., but I am now living in a city that is quite sunny and I walk quite a bit, so I'm ready to get my sun protection on.I guess my issue is that whenever I wear sunscreen in the morning to walk the dog, I sweat a little and the sunscreen seems to move, even though I put it on way in advance for it to absorb into my skin. The sunscreen I'm using is Aveeno's SPF 70 sunscreen that is waterproof, so is it just appearing to be moving but isn't actually? Should I reapply once I leave for work in another 2 hours? How do I combat the stickiness?Would appreciate routine recommendations as well as product recommendations. Maybe I'm not picking the right product and my problems can be solved with that!
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Submitted by thehappypuffin