71 citations
,
June 2001 in “American Journal of Pathology” The p53 protein helps control hair follicle shrinking by promoting cell death in mice.
September 2024 in “Journal of the American Academy of Dermatology” Regulatory γδ T cells help protect hair follicles from alopecia areata and promote hair regrowth.
6 citations
,
March 2021 in “Journal of Cosmetic Dermatology” PRP injections promote hair growth and increase hair density in androgenic alopecia.
3 citations
,
April 1997 in “Developmental Dynamics” Trypsin slows hair growth and affects color by causing cell death in hair follicles.
October 2022 in “Hair Transplantation” Temporary scalp trichopigmentation creates a shaved hair look on the scalp using pigments that fade over time.
April 2023 in “Journal of Investigative Dermatology” Transplanted stem cells from hair follicles significantly boosted hair growth and normalized follicles in certain mice.
34 citations
,
December 1991 in “Annals of the New York Academy of Sciences” The conclusion is that small hair follicles cause baldness in macaques, and treatments like antiandrogens and minoxidil can prevent hair loss and promote regrowth.
November 2022 in “Journal of Investigative Dermatology” Blocking mTORC1 activity could increase hair pigmentation and potentially reverse greying.
April 2023 in “Journal of Investigative Dermatology” The research found that a protein called PPARg is important for the formation and healing of sebaceous glands, which can regenerate independently from hair follicles.
September 2023 in “Biomedical Optics Express” New imaging techniques show testosterone delays hair growth and shrinks follicles in mice, but have limited depth for viewing.
Alopecia areata causes patchy hair loss but hair can regrow on its own.
September 2023 in “International Journal of Trichology” A rare hair regrowth pattern can occur in some people with alopecia areata.
2 citations
,
January 2023 in “Pharmaceuticals” Natural products and phytochemicals may help with hair regrowth, but more research is needed.
20 citations
,
August 2015 in “International Journal of Molecular Medicine” Human placental extract may help hair growth by affecting certain cell signals and could be more effective with minoxidil.
2 citations
,
February 2019 in “Journal of Investigative Dermatology” Higher levels of the DP2 receptor may lead to hair loss.
11 citations
,
November 2002 in “Dermatologic Surgery” IPL can cause unexpected hair growth in nearby untreated areas.
39 citations
,
June 2013 in “Journal of Cosmetic Dermatology” Herbal extracts and platelet-rich plasma together may help increase hair growth by making certain cells grow more, through specific cell growth pathways.
1 citations
,
January 2019 in “The International Journal of Lower Extremity Wounds” Artificial dermal template treatment can stimulate complete skin and hair follicle regrowth.
10 citations
,
May 1983 in “International Journal of Dermatology” Some people with severe hair loss saw hair regrowth after a specific light and drug treatment.
December 2023 in “JAAD Case Reports” Intralesional corticosteroids effectively treat localized alopecia areata, often sparing white hairs.
12 citations
,
September 2018 in “International Journal of Cosmetic Science” Palmitoyl tetrapeptide-20 may help reduce hair greying and increase melanin production.
6 citations
,
June 2020 in “Journal of Drugs in Dermatology” PRP can help regrow hair in people with alopecia.
December 1990 in “PubMed” Topical 17 alpha-propylmesterolone increases hair cell growth in androgenetic alopecia.
22 citations
,
October 2018 in “Aesthetic Plastic Surgery” Understanding hair follicle biology and stem cell control could lead to new hair loss treatments.
6 citations
,
January 2019 in “Indian Journal of Pharmacology” Melitane 5% and hair supplements improved hair color in a 14-year-old with early graying.
27 citations
,
May 2007 in “Archives of dermatological research” Diphencyprone treatment increases CD8 lymphocytes in the scalp, which is associated with hair regrowth in alopecia areata patients.
7 citations
,
January 2018 in “Journal of Tissue Viability” An 80-year-old patient grew new hair on a wound, showing that elderly people can still regenerate hair.
23 citations
,
December 1991 in “Annals of the New York Academy of Sciences” Balding scalps slow down hair growth.
A man regrew hair after using a specific cream for skin treatment.
14 citations
,
January 2016 in “Experimental Dermatology” Hair regrowth doesn't convert thin hairs to thick hairs, but increases overall hair density.