When hair is hand-tied to the base of a lace wig, a knot is formed to secure the hair in place. Bleached knots are knots that have been lighten to appear less noticeable. Bleaching is used for a more natural appearance to look as though the hair is growing right out of your scalp. Even with the bleaching technique, knots made with dark hair colors such as black and off black will be more noticeable than lighter color hair. Light color lace may also make dark color knots more noticeable. Light color hair such as light browns and blonds usually do not need bleached knots.
It requires more processing to lighten darker color knots which can be damaging to the hair. If all the knots on the wig are bleached, it will weaken the hair and cause premature shedding and breakage. It is recommended to only lightly bleach the knots in the front perimeter in order to prevent excessive shedding. It is common for a man’s toupee to have all of the knots bleached because the hair is much shorter and does not endure the same amount of stress or friction from styling as a lace wig. Lace wigs usually have longer hair which endures more stress from curling, combing, fingering and pulling on the hair.
For the best results of undetectable knots and hair that looks as though it is growing right from your scalp select a wig made with silk top (silk injection) or a thin skin wig cap.
The silk top also known as silk injection or hidden knots is a layer silk fabric and lace added section of the wig. The hair is knotted below the silk material, concealed between the layers. The hair is then injected through the silk giving the illusion that the hair is growing out of your scalp.
Thin skin wigs also known as polyurethane are available in several colors to match your skin tone. The thin poly material is ventilated by hand, using a looping technique so the hair will stay secure longer. Because hair is injected into the thin skin material and not knotted, the hair appears to be growing directly from the scalp. Thin skin can be placed around the perimeter or the entire wig.
The thin skin base looks great with lighter density hair. Because thin skin is not made of breathable material, it is best used in cooler climates.