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Lace: The lace base is typically lightweight and breathable, allowing for better air circulation to the scalp. The lace also makes it easier to attach the toupee securely using various methods, such as tape, clips, or adhesive.
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PU (Polyurethane): The PU material is used to create a more durable and realistic-looking hairpiece. The polyurethane coating is often applied in areas like the perimeter or where the hairline meets the scalp. This allows the toupee to mimic the natural appearance of the scalp, as PU can give the illusion of a real hairline or scalp. It also provides a more secure fit by offering a slightly adhesive surface, preventing the toupee from shifting around.
This combination provides a realistic look while ensuring comfort and flexibility. PU lace toupees are also easier to maintain than some other types of hairpieces, offering both durability and style.