We all have that friend with enviable hair. You know what we're talking about. The girl who rarely blow dries her hair because it just dries out smooth. The girl who doesn't fear humidity. The girl who should be the star of every hair campaign out there. The key to getting her a gift this holiday season is to look for products that will keep her hair strong and healthy. We've rounded up our favorites that we know that she will absolutely love. Click through to see our picks for the gifts that will make sure your friend with perfect hair continues to hold that title in the friend group.