one month before, without knowing the seriousness i applied 3 to 4 drops of savlon on my cheecks and forgot to wash then slept off, morning i got severe irritation and the skin(1st layer ) burnt. then went to doctor , doctor gave me Silver nitrate. now its cured . but my cheeks have a big black mark . i consultedone skin specialist, he advised me to apply trio block . my question is am i able to get my skin as before?, the mark will go off ?