Pure Niacinamide 10 Serum

I really thought that this would work for me since i saw a lot of good reviews but it did not. I wanted to use it for acne marks, but before any results came in it started to make comedones appear in the area of my face that i was putting this serum on. Idk if this has a purging effect or something. Maybe my skin is just too reactive

I have sensitive skin, but I still wanted to use something against my pigment spots. This serum spreads easily and smells neutral. I use it with VitC serum in the morning. In the evening, I use a vit A cream. I've been using it for 6 weeks now and I really see less blotchy skin without irritations. The only disadvantage is the pipette, which is not very nice to use.

La Roche-Posay Pure Niacinamide 10 Serum 30ml The bottle is purple, yet transparent, so you can always see how much is left in the bottle. The bottle has a pipette, so you can use it hygienically. The serum, is white in color, and has a light gel texture. You really don't need much of this product. It is easy to apply to the face and is well absorbed. Really be careful not to use too much. Otherwise, it stays on the face and leaves a sticky feeling. I noticed that it is best absorbed by my skin when my skin is still slightly damp. I also noticed that you should let it penetrate the skin well before applying anything else of care. If I don't do this, the products will start to “peel” on my skin. I've been using it for almost a month now, and I notice that my skin looks calmer, and that the red spots are also much less visible. I had a few very small dark spots. I have the impression that these are also less visible. What would be useful is a little more explanation about how to use the product itself. Indication of which products this serum can or cannot be used together with,...