▁on ▁the ▁e y el ids . ▁Though ▁tags ▁up ▁to ▁a ▁half - inch ▁long ▁have ▁been ▁seen , ▁they ▁are ▁typically ▁the ▁size ▁of ▁a ▁gra in ▁of ▁rice . ▁The ▁surface ▁of ▁an ▁ac ro ch ordon ▁may ▁be ▁smooth ▁or ▁irregular ▁in ▁appearance ▁and ▁is ▁often ▁raised ▁from ▁the ▁surface ▁of ▁the ▁skin ▁on ▁a ▁f les hy ▁st alk ▁called ▁a ▁ped un cle . ▁Micro scop ically , ▁an ▁ac ro ch ordon ▁consists ▁of ▁a ▁fib ro vas cular ▁core , ▁sometimes ▁also ▁with ▁fat ▁cells , ▁covered ▁by ▁an ▁un remark able ▁e pid erm is . ▁However , ▁tags ▁may ▁become ▁ir rit ated ▁by ▁sh aving , ▁cl othing , ▁j ew ell ery ▁or ▁e cz ema . ▁ ▁E ti ology ▁ ▁Sk in ▁tags ▁are ▁thought ▁to ▁occur ▁from ▁skin ▁rub bing ▁up ▁against ▁skin , ▁since ▁they ▁are ▁so ▁often ▁found ▁in ▁skin ▁cre ases ▁and ▁fol ds . ▁Studies ▁have ▁shown ▁existence ▁of ▁low - ris k ▁human ▁pap ill om av ir uses ▁ 6 ▁and ▁ 1 1 ▁in ▁skin ▁tags , ▁hint ing ▁at ▁a ▁possible ▁role ▁in ▁its ▁path ogen esis ▁although ▁one ▁ 2 0 1 2 ▁study ▁found ▁no ▁association ▁between ▁skin ▁tags ▁and ▁low ▁risk ▁or ▁high ▁risk ▁H P V . ▁Ac ro ch ord a ▁have ▁been ▁reported ▁to ▁have ▁a ▁pre val ence ▁of ▁ 4 6 % ▁in ▁the ▁general ▁population . ▁A ▁caus al ▁gen etic