I prefer this product to any of the others offered by Cosrx, because it works and doesn't break me out. Even the A-Sol that is recommended by bloggers for acne doesn't work as well as this does for me, that product often breaks me out. This minimizes the sebaceous filaments and white heads. It calms down any flare ups I have and leaves my skin feeling soft. I use this after my toner and it works well without drying me out even on those days I don't have time to apply emulsion after I let this absorb into my skin.