I had a large rib cage piece done and we covered it with the squares,just make sure sheets get overlapped by an inch or so.
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I have used Saniderm on several tattoos now,I love it BTW,
I put the Saniderm on dry clean skin,no lotion or aquaphor or anything under it,
and it might hurt a little peeling it off,but it does not remove or damage the tattoo,
as a matter of fact after about 4 days of having it on the tattoo,the tattoo is beautifully healed !
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here is my healing system
1)plastic wrap(saran wrap) for the first 4 hours,then wash with anti-microbial soap(washing hard with palm of my hand in shower)
2)remove wrap(saran wrap) and re-apply plastic(saran wrap) for 4 more hours then wash with anti-microbial soap and apply light cocoa butter,
3)remove wrap(saran wrap) wash with anti-microbial soap and light cocoa butter then re-apply plastic wrap(saran wrap) for first night ,
4) next morning wash with anti-microbial soap and then apply Saniderm on dry skin for about 4 days,
remove saniderm ,healed,maybe just the normal itch.
this works for me anywhere on my body that I get tattoos.