April 2020 in “bioRxiv (Cold Spring Harbor Laboratory)” Skin healing from blisters can delay hair growth as stem cells focus on repairing skin over developing hair.
66 citations
,
September 2005 in “Photochemical & photobiological sciences” We don't fully understand how sunlight damages different types of hair.
26 citations
,
August 2019 in “Stem Cell Research & Therapy” PBX1 helps hair stem cells grow and change by turning on certain cell signals and preventing cell death, which may be useful for hair regrowth treatments.
18 citations
,
January 2008 in “Journal of The American Academy of Dermatology” Certain proteins and their receptors are more active during the growth phase of human hair and could be targeted to treat hair disorders.
16 citations
,
April 2016 in “PLoS ONE” Negative pressure treatment improved skin thickness, blood vessel growth, and hair growth.
13 citations
,
December 2014 in “Stem Cells” Hair and skin can regenerate without bulge stem cells due to other compensating cells.
November 2025 in “International Journal of Zoology and Applied Biosciences” New technologies like AI, robotics, and stem cells have made hair transplants more effective and natural-looking.
June 2017 in “University of the Arts London Research Online (University of the Arts London)” Polymers help reduce damage and improve bleached hair when used during or after bleaching.
July 2024 in “Journal of Dermatology Research Reviews & Reports” Stem cell therapy shows promise for treating hair loss by promoting hair growth.
76 citations
,
March 2005 in “Journal of Molecular Medicine” Certain mice without specific receptors or mast cells don't lose hair from stress.
13 citations
,
February 2023 in “Aging” A substance from hair follicle stem cells helps heal skin wounds in diabetic mice by promoting cell growth and preventing cell death.
24 citations
,
September 2001 in “Journal of Dermatological Science” Cyclosporin A helps damaged hair follicles regrow hair quickly.
14 citations
,
July 2019 in “Experimental and Molecular Medicine” Nanog gene boosts stem cells, helps hair growth, and may treat hair loss.
25 citations
,
April 2018 in “Electromagnetic biology and medicine” Mobile phone radiation may cause DNA damage in human ear hair follicle cells.
7 citations
,
July 2019 in “International Journal of Molecular Sciences” PGA-4HGF may help treat hair loss by activating hair growth pathways and extending the hair growth phase.
5 citations
,
February 2012 in “Aesthetic Plastic Surgery” A man developed skin cancer on his scalp after multiple artificial hair grafts.
January 2024 in “GeroScience” Using radiation to make mice's hair turn gray helps study and find ways to prevent or reverse hair graying.
211 citations
,
April 2013 in “Development” More dermal papilla cells in hair follicles lead to larger, healthier hair, while fewer cells cause hair thinning and loss.
58 citations
,
October 2016 in “Journal of Investigative Dermatology” Activating Nrf2 protects human hair follicles from oxidative stress and helps prevent hair growth inhibition.
30 citations
,
April 2017 in “European Journal of Cell Biology” CIP/KIP proteins help stop cell division and support hair growth.
7 citations
,
September 2020 in “Frontiers in Cell and Developmental Biology” IL-36α helps grow new hair follicles and speeds up wound healing.
May 2026 in “Frontiers in Cell and Developmental Biology” Collagen networks play a key role in hair loss and follicle miniaturization.
59 citations
,
January 2013 in “Annals of Dermatology” Asian hair is more resistant to UV damage due to higher lipid content.
40 citations
,
February 2002 in “International Journal of Dermatology” Permanent hair dye damages hair but it mostly recovers after 8 weeks; using certain hair care products can help repair it.
13 citations
,
March 2019 in “Journal of cosmetic dermatology” Heat damages hair, with Asian hair losing more protein than Caucasian hair.
10 citations
,
September 2020 in “Biopolymers” Hair's structure and properties change with pH; acidic pH maintains strength and less swelling, while alkaline pH increases water content and swelling.
4 citations
,
January 2007 in “Sen'i Gakkaishi” Permed hair degrades faster and shows more damage after protease treatment compared to untreated hair.
2 citations
,
November 2018 in “International Journal of Cosmetic Science” Chamomile extract can protect hair from damage caused by light.
Adequate vitamin D might lower, and high hair chromium might increase DNA damage in obese women.
June 2020 in “Journal of Investigative Dermatology” Red clover extract-based scalp treatments significantly improved hair volume and reduced hair loss and damage.