4. 8 Best Hair Extensions in 2018 - Best Products
Description: from $250 BUY NOW. According to this editor, Hidden Crown extensions are a must-have. Available in 12-, 16-, and 20-inch lengths, the 100% double-drawn REMY hair is applied not by using clips, glue, or tape, but on a wire crown that is easily concealed with a quick comb-over of natural hair.