syn-hycan boost serum

I bought this because it sounded like something that would firm my lower face area. IT does feel a bit tighter and firmer but caused several painful cysts on my cheek and chin. Will not purchase...

I realy like this serum. I mix one pump of this with one pump hydronic acid from MUAC and apply to face every night. When I put it on it makes my skin feel hot(not burning and painful). My skin is...