Beauty lovers are buying mini fridges to keep their skin-care products cold, but it's unclear if it makes much of a difference

According to some beauty gurus, skin-care products can work more effectively when kept cold. But rather than storing serums and face masks next to produce, some people prefer to keep their beauty regimens inside "skin-care fridges."

Beauty and style YouTuber Safiya Nygaard is one of them. On Friday, Nygaard took to Twitter to share that she'd purchased a designated beauty fridge for her skin-care products.

While many fans loved the YouTuber's dedication to her skin-care routine, others were confused as to what she meant by her tweet.