55 citations,
January 2016 in “Annals of Dermatology” Microneedle stimulation can increase hair growth in mice.
15 citations,
November 2015 in “Journal of Dermatology and Dermatologic Surgery” Mixing platelet-rich plasma with triamcinolone acetonide can potentially improve hair regrowth in alopecia areata patients.
79 citations,
October 2015 in “Journal of Dermatological Treatment” Platelet-rich plasma may have some benefits in dermatology, but there's not enough evidence to widely recommend its use.
30 citations,
August 2015 in “JAAD case reports” Platelet-rich plasma (PRP) injections successfully treated a woman's steroid-resistant hair loss, causing hair to regrow within a month.
5 citations,
April 2015 in “HSOA journal of clinical dermatology & therapy” Triamcinolone acetonide mesotherapy may be effective for treating patchy hair loss in alopecia areata.
15 citations,
January 2015 in “International journal of medical research and health sciences” Platelet rich plasma is as effective as triamcinolone for treating alopecia areata.
58 citations,
January 2015 in “International Journal of Trichology” Platelet-rich plasma, which carries growth factors, could be a promising treatment for non-scarring hair loss, promoting hair growth and density with no major side effects.
61 citations,
January 2015 in “Indian Journal of Plastic Surgery” Platelet-rich plasma treatment could potentially be an effective way to treat chronic alopecia areata with minimal side effects.
107 citations,
August 2014 in “Dermatologic Surgery” PRP injections improve hair thickness for baldness.
119 citations,
January 2014 in “Indian Journal of Dermatology, Venereology and Leprology” Platelet-rich plasma might help with hair growth and skin conditions, but more research is needed to prove its effectiveness and safety.
53 citations,
January 2014 in “Journal of Cutaneous and Aesthetic Surgery” Microneedling combined with triamcinolone can safely stimulate faster hair regrowth in people with Alopecia Areata.
205 citations,
April 2013 in “British Journal of Dermatology” Platelet-rich plasma treatment significantly increased hair regrowth and decreased discomfort in alopecia patients, making it a potentially better and safer treatment option.
136 citations,
January 2013 in “International Journal of Trichology” 
170 citations,
July 2012 in “Journal of Investigative Dermatology” Wnt ligands are crucial for hair growth and repair.
270 citations,
March 2012 in “Dermatologic Surgery” Platelet-rich plasma can potentially promote hair growth by stimulating cell growth and increasing certain proteins.
391 citations,
January 2010 in “Journal of The American Academy of Dermatology” Half of people with Alopecia Areata may see hair regrowth within a year without treatment, but recovery is unpredictable.
244 citations,
January 2010 in “Journal of the American Academy of Dermatology” The document says current treatments for alopecia areata do not cure or prevent it, and it's hard to judge their effectiveness due to spontaneous remission and lack of studies.
829 citations,
May 2007 in “Nature” Hair follicles can regrow in wounded adult mouse skin using a process like embryo development.
251 citations,
October 2006 in “Plastic and reconstructive surgery/PSEF CD journals” Using platelet plasma growth factors in baldness surgery can increase the number of hair follicles.
