I had got an pimple and I had used toothpaste to clear it.. since I kept the toothpaste overnight my skin got burn... and I have an very bad burn scar on my face it's an 2week old now.. after which it's been 3 days I am applying Mederma.. and my scar is become less compared to before.. but I have been having redness on my skin and is swollen up... what should I do.. ?? Should I keep applying it... or stop???? Pls reply.......!!!