13 citations
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January 2013 in “Dermatologic Surgery” Experienced hair transplant surgeons suggest a limited number of hair follicles can be used for transplants, and recommend conservative methods to avoid scarring and depletion.
3 citations
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December 2019 in “Journal of Cosmetic and Laser Therapy” PRGF treatments increased hair number and thickness in people with hair loss, with more injections leading to better results.
April 2023 in “Experimental Dermatology” Human dermal papilla cells can increase hair thickness and number in pigs with just one injection.
4 citations
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August 2018 in “Facial Plastic Surgery Clinics of North America” Platelet-Rich Plasma (PRP), a protein-rich extract from a patient's blood, shows promise in improving hair density, thickness, and quality, but the best method of use and number of treatments needed for noticeable results are still unclear.
57 citations
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October 2018 in “Journal of The American Academy of Dermatology” Platelet-rich plasma treatment can significantly increase hair count and density in men with pattern baldness, and these improvements can last up to 3 months.