Is it cultural appropriation to box braid your hair if you're not African American (or dark skinned) but have unmanageably curly hair?

I had a conversation with someone who said that box braiding your hair if you aren't "black" is cultural appropriation (she's pale skinned). I myself am brown and have curly hair and by her standards, am not allowed to manage those curls with braids. 
What is your opinion? 
(Picture is not me, but reference for those who may not know what box braids are)

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