How long has it been since you washed your foundation brush?

pu1. Even if it's simple every time I use it, I wash it properly every week

2017-12-15

OK

pu2. I heard that you can do it once every two to three weeks. I don't think I do that much

2017-12-15

OK

pu3. I heard that I can wash it every day, so I'm doing it whenever I think of it

2017-12-15

OK