The NOSCA9 TROUBLE CLEAR TONER by FATION is a popular choice for acne care on Hwahae, with a high average rating of 4.55 based on 838 reviews. Users praise its effectiveness in removing dead skin cells and calming blemishes. However, some users with extremely oily skin found it less effective for oil control, and a few noted an unexpected fermented smell. Tips from reviewers include layering the toner multiple times for better hydration and using it as a toner mask for an extra boost.