3 ms·

>physical rather than chemical properties The field of physical chemistry is going to blow your mind.

• harimau777 2y ago
  Ya, I'm definitely speaking in VERY broad strokes here because this isn't my area of expertise! I was just meaning that in comparison to what's called "chemical sunscreen" which, according to my admittedly limited understanding, works by undergoing a chemical reaction when exposed to UV.
  • tokai 2y ago
    I understand, I just couldn't help myself :)