Many customers like French lace or Swiss lace toupee. Usually. the knots on the hairline (front 1/4")of French lace and Swiss lace is single split knots, and the rest part is double split knots. Though the single split knots on front is very small, some customers still feel the knots are big. They would like no knots or invisible knots. Bleached knots is a good solution for this problem. After bleached knots, the lace toupee will look very natural. But please note that the 1# color can not be bleached, 1# color is too dark so it is hard to be bleached to a good effects. The
1B# color is lighter than 1#, but it is also a little hard to be bleached. And the lighter color do not need to be bleached. Usually, from the darkest brown color 2# to 7# are all can be bleached. Regarding the 1# color, we can use dyed knots method to let the front hairline look more natural.
Now I hope to show some pictures of our bleached knots lace toupee as below: