Burn from Glycolic Peel 40%? (Photo)

The glycolic peel 40% was left for 5 minutes. Only this spot experienced redness (there was a pimple and it was treated with Retin-A one day before the peel). The red mark was painful and tender on the first day. Today it's no longer painful. I've been applying moisturizer, aloe vera and vitamin e oil on the spot everyday. Please tell me if this is going to be a permanent scar? Please help! And what else should I do to prevent scarring? Thank you so much.. Asian skin (fair) here.