A fresh tattoo is an open wound with art in it. How you treat it in the first day sets up everything that follows, and it starts with the wrap you walk out wearing. There are two common types. Cling film — plain plastic wrap — is the classic. It usually comes off after 2–4 hours, and it shouldn't go back on unless your artist tells you to re-wrap for the first night. Second-skin adhesive film (brands like Saniderm or Dermalize) is a breathable medical film that seals the tattoo completely. It typically stays on for 24 hours up to several days, depending on what your artist applied and how much fluid builds up underneath. A pocket of plasma and ink under the film looks alarming; it's normal.
Once the wrap comes off, do the first wash: clean hands only — no washcloth, no sponge — lukewarm water, and a fragrance-free soap. Lather gently, rinse off the dried plasma and surface ink, then pat dry with a clean paper towel. Bath towels hold bacteria and snag on raw skin; paper is single-use and safe.
That first night, sleep on clean sheets, ideally ones you don't mind staining — a fresh tattoo can weep ink and plasma while you sleep. Try not to sleep directly on the tattoo.
One caveat above all: always follow your artist's specific instructions first. Healing protocols vary by style, technique, and product — this guide is the general baseline, not a replacement for what the person who did the work told you.