British magazine Grazia U.K. has apologized to Lupita Nyong'o after the actress accused it of altering her hair on its front cover "to fit a more Eurocentric notion" of beauty.

The Academy Award winner tweeted before-and-after images, saying the magazine "edited out and smoothed" her hair. She added the hashtag "dtmh (don't touch my hair)."

On Instagram, the Kenya-raised star of "12 Years a Slave" and "Star Wars: The Last Jedi" said "there is still a very long way to go to combat the unconscious prejudice against black women's complexion, hair style and texture."

The magazine said Friday that it "apologized unreservedly to Lupita Nyongtarget="_blank"'>