Theres no denying that Instagram is the best place to discover the latest and greatest skin care trends, as one glance at the #igtopshelfie hashtag introduces you to a plethora of prettily-packaged products (were looking at you, Drunk Elephant!) any influencer would love.

But while these trendy skin care buys are sure to gain tons of likes on the gram, its fair to say that some also tend to cost an arm and a leg, making us all wonder if theyre actually worth the hype. Besides, just because that pricey brightening sheet mask has a four-star rating on Sephora doesnt mean it actually works .