I bought this serum and the retinol moisturizer. I used it with my current skincare routine which is Rovectin skin activating serum, IUNIK Centella blemish gel, and Some by Mi Snail Truecica. The first week I tried this serum, my skin was breaking out so bad, I had redness and bumps all over my face. I thought it was because it didn't get along with my other skincare product. I decided to stop using it and did a skincare fasting, believe it or not, the bumps and the redness were gone. After 3 daSee full review