Other cultures aren’t costumes. But try telling that to Fashion Nova, which is the latest online retailer to court controversy this Halloween, by turning traditional, ceremonial dress into sexed-up, problematic party wear.

In this case, the outrage concerns Fashion Nova’s so-called geisha ensemble.

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The $50 costume kit comes with hair sticks, a kimono, a revealing miniskirt and an obi sash — everything you need to dress up as a really terrible idea, critics say.

Social-media watchdogs are slamming the costume as cultural appropriation of the hallowed Japanese geisha tradition, an art form that centers on performances from highly educated, formally trained female musicians.

In addition, some say the leg-baring costume perpetuates the common myth that geishas are sex workers.

Earlier in the season, another company, Yandy, yanked a sexy “Handmaid’s Tale” get-up after customers blasted it as a symbol of women’s oppression.

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Meanwhile, Yandy’s Native American-inspired costumes — still for sale — have sparked a Change.org petition supporting indigenous-heritage causes, which says the looks “grossly appropriate our culture and sacred regalia” and is asking Yandy to pull them from the market.

The petition has over 14,000 signatures to date.

This story was originally published by the New York Post.