Blister from tape 4 weeks post op. Should I keep it clean and dry or should I put Neosporin on it? (photos)

I took the rest of my tapes off today because they have been very irritating and itchy and when I woke up I had some drainage that I have not previously had. I now realized that it was a blister that formed under the steri strips. I am not sure if I should keep it clean and dry or if I should put neosporin on it? I am also wondering if it will heal the same color as my areola as it was before the blistering or darker or lighter?