Hair

The Major Biotin Side Effect You Should Know About

If you’ve been hanging out in your drug store’s vitamin aisle lately, you’ve probably bumped into the newest cool kid on the block: biotin. This beauty supplement has a street rep for making some pretty big promises to the ladies: It claims to give you hard-ass nails, hair that’s sleek AF, and flawless skin that could only otherwise be achieved by a Snap filter.

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