74 citations
,
January 2013 in “Expert Opinion on Biological Therapy” The conclusion is that hair growth can be improved by activating hair cycles, changing the surrounding environment, healing wounds to create new hair follicles, and using stem cell technology.
20 citations
,
May 2020 in “Experimental Dermatology” Aging scalp skin contributes to hair aging and loss, and more research is needed to develop better hair loss treatments.
January 2026 in “International Journal of Biological Macromolecules” Small KP peptide improves hair without reducing agents, while larger proteins need them for better results.
64 citations
,
April 1972 in “American Journal of Clinical Nutrition” Hair chromium levels reflect nutritional status after standard washing.
November 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Linalool in personal care products may contribute to hair loss by damaging hair follicle stem cells and triggering harmful immune responses.
Linalool in personal care products may worsen frontal fibrosing alopecia by damaging hair follicle stem cells and triggering harmful immune responses.
1 citations
,
November 2023 in “Frontiers in veterinary science” Goat hair shows changes in metal levels and stress when goats move from indoors to mountain pastures.
59 citations
,
February 2012 in “Journal of Dermatological Science” Environmental factors at different levels control hair stem cell activity, which could lead to new hair growth and alopecia treatments.
33 citations
,
June 1995 in “International journal of legal medicine” Environmental factors can greatly reduce drug levels in hair.
12 citations
,
January 1981 in “Springer eBooks” Environmental factors like temperature and nutrition affect hair growth, with humans showing seasonal hair growth differences.
12 citations
,
January 2007 in “Current problems in dermatology” Environmental and cosmetic factors, including heat, chemicals, and sun exposure, can cause hair loss and damage.
11 citations
,
March 2016 in “Cell cycle/Cell cycle (Georgetown, Tex. Online)” Old hair follicles grew better when moved to a young environment.
4 citations
,
October 2020 in “Animal Bioscience” Using cans with beans improves Rex rabbits' growth, meat quality, and hair follicle density.
October 2025 in “International Journal of Women’s Dermatology” Many women's hair growth products contain harmful ingredients, but eco-friendly options are available.
January 2024 in “Skin appendage disorders” Environmental pollutants can damage hair health and cause hair loss.
April 2023 in “Journal of Investigative Dermatology” Honey mixture improved damaged Asian hair, making it stronger, softer, and shinier.
August 2007 in “Microscopy and Microanalysis” Hair fibers break by cuticle cell slipping, shape changing, cuticle fraying, and surface cracking when stretched under specific conditions.
7 citations
,
January 2012 California Ground Squirrel hair can indicate environmental health by showing element accumulation.
71 citations
,
January 2012 in “PloS one” The conclusion is that genetic differences affect how the cochlea heals after hair cell loss, which may challenge the creation of hearing loss treatments.
16 citations
,
May 2017 in “Journal of cosmetic dermatology” An unhealthy scalp can damage new hair, but using ZPT shampoo can improve hair health.
14 citations
,
March 2016 in “PloS one” Spaceflight changes how genes work in astronauts' hair follicles, possibly affecting hair growth.
April 2025 in “British Journal of Dermatology” Age, sex, BMI, menopause, and specific genes affect hair density in East Asians.
January 2024 in “Biomaterials Research” 3D-cultured cells in HGC-coated environments improve hair growth and skin integration.
11 citations
,
April 1993 in “PubMed” Human hair cells can change based on their environment, especially interactions with certain skin cells.
October 2025 in “International Journal of Cosmetic Science” Hair properties vary by ethnicity and environment, affecting surface charge and particle deposition.
September 2016 in “Journal of Dermatological Science” Protein extract from embryonic skin can create new hair follicles in adult life, primarily through effects on fibroblasts.
64 citations
,
January 2009 in “The International journal of developmental biology” Hair follicle stem cells are controlled by their surrounding environment.
25 citations
,
May 2020 in “Progress in Organic Coatings” Castor oil-based polyurethanes are promising for making safe, strong-performing, eco-friendly hair-styling products.
August 2025 in “Food Science and Technology” Eating black soybeans and white ferula mushrooms may help prevent hair loss.
January 2012 in “CINECA IRIS Institutial Research Information System (University of Genoa)” Hair cortisol reliably indicates stress in rabbits.