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Hair/scalp cloning for unlimited transplants is likely a decade away, with prior transplants not significantly affecting future options. Advances in AI and research in wound-induced hair neogenesis are promising, but infrastructure and technology constraints remain challenges.

PP405 cannot restore extracted hair follicles after a transplant as they are removed, not dormant. Combining verteporphin with wounding and PP405 is suggested but not confirmed effective.

Chinese researchers have successfully created hair follicles in vitro, potentially offering unlimited hair for transplantation and a cure for hair loss. They plan to test these follicles in vivo on human scalps.

Hair transplants typically involve spreading follicle extraction across the back and sides of the head to maintain an even appearance, rather than taking a solid rectangle of grafts. FUT procedures, which involve taking a strip of skin, are less common now due to advancements in techniques like FUE, which heal well and are less invasive.

Curved hair transplantation requires specialized tools and techniques to avoid damaging hair follicles, with modified FUE being the preferred method. Proper extraction and implantation angles are crucial to prevent complications like keloids and sterile folliculitis.