No definable blood spots for me ,but my needle cartridge was a pink, plasma, skin, slimy chuck in the bin mess. red 72hours pealed like crazy for the next 48hours after so was normalized and pain free by day 5 have a Boris Johnson comb over so skin being mess didn't concern me.
only ever had sun burn a few times on backs of my hands id say it was very similar to that duration ,sensation, looks and pealing. Tho that's just me a top hair transplant surgeon said i had most lax skin he had ever seen so i may have different results than the median person.