HD stands for “high definition”. HD lace is a royal lace material that used to be called swiss lace,and which is invisible when applied to the scalp. More and more beautiful women are pursuing HD lace wig transparent undetectable wig to make it look more real and natural. it’s hard to find the lace grids due to it’s seamless blending capabilities, pre-plucked with single knots, which gives you a natural finish as though the hair is growing from your own scalp. Top grade and unique, becoming more and more popular.