We should be stopping it wherever we can. It doesn’t need to be one before another. Being conscious about where you can get more of it is helpful.
Water - we distill our water, and you can also use other types of filters which remove it. Absorbing through skin - we know we should be wary about what products use it now, so can do some research and be careful about touching stuff.
This is similar to global warming. The biggest issue is large corporations. That doesn’t mean consumers shouldn’t stop worrying about littering or driving gas cars until corporations stop.