126 citations
,
January 2009 in “International Journal of Trichology” Oxidative stress contributes to hair graying and loss as we age.
44 citations
,
April 2017 in “Genes & development” Scientists found cells in hair that are key for growth and color.
36 citations
,
August 2011 in “Journal of dermatological science” Human hair has a protective lipid layer that can be damaged by moisture and treatments, affecting hair growth and health.
33 citations
,
August 2018 in “Facial Plastic Surgery Clinics of North America” The document explains hair biology, the causes of hair loss, and reviews various hair loss treatments.
26 citations
,
April 1999 in “Dermatologic Clinics” The long-pulsed alexandrite laser is effective for hair reduction, particularly for light-skinned individuals with dark hair, but caution is needed for darker skin.
6 citations
,
January 2019 in “International Journal of Medicine in Developing Countries” Premature greying of hair is common among young people at King Faisal University, especially females, and is linked to health issues, lifestyle, and family history.
January 2003 in “Research Portal (King's College London)” Hair color affects light reflection, with black hair having higher cuticle angles and lighter hair showing less specular reflection.
59 citations
,
August 1998 in “International Journal of Dermatology” Genetics and hormones cause hair loss; finasteride treats it safely.
33 citations
,
June 2017 in “Developmental Biology” Mice can correct hair follicle orientation without certain genes, but proper overall alignment needs those genes.
24 citations
,
January 2011 in “International Journal of Trichology” Light microscopy is useful for diagnosing different hair disorders.
2 citations
,
January 2023 in “International journal of biological sciences” Gray hair can potentially be reversed, leading to new treatments.
Hair fibers degrade and change color in very basic water.
138 citations
,
June 2012 in “Genes & Development” Sonic hedgehog signaling is crucial for hair growth and maintaining hair follicle identity.
59 citations
,
March 2020 in “Journal of Biomedical Science” Understanding how hair follicle stem cells work can help find new ways to prevent hair loss and promote hair growth.
20 citations
,
April 1999 in “British journal of plastic surgery” Ruby laser hair removal significantly reduces hair density.
October 2025 in “Revista Científica de Estética e Cosmetologia” Personalized hair care plans are essential for healthy hair.
January 2025 in “International journal of Indian medicine” Use pure Ayurvedic oils instead of commercial ones for healthier hair.
Good nutrition may help prevent premature hair graying.
November 2023 in “Frontiers in cell and developmental biology” Hair aging is caused by stress, hormones, inflammation, and DNA damage affecting hair growth and color.
December 2022 in “Journal of Tropical Pharmacy and Chemistry” The hair tonic made from oil palm leaf extract is very effective in preventing hair damage from the sun.
1113 citations
,
August 1999 in “The New England Journal of Medicine” Hair follicle biology advancements may lead to better hair growth disorder treatments.
417 citations
,
September 2005 in “PLoS biology” Understanding gene expression in hair follicles can reveal insights into hair growth and disorders.
245 citations
,
March 2012 in “Journal of The American Academy of Dermatology” Dermatoscopy is useful for identifying different hair and scalp conditions and can reduce the need for biopsies.
234 citations
,
December 1996 in “Journal of The American Academy of Dermatology” Middle-aged women with chronic telogen effluvium experience increased hair shedding but usually don't get significantly thinner hair.
212 citations
,
September 2015 in “Journal of Investigative Dermatology” The document provides a method to classify human hair growth stages using a model with human scalp on mice, aiming to standardize hair research.
174 citations
,
April 2005 in “The American journal of pathology (Print)” Capsaicin, found in chili peppers, can slow down hair growth by affecting skin cells and hair follicles.
159 citations
,
July 2006 in “Endocrine Reviews” Estrogens significantly influence hair growth by interacting with receptors in hair follicles and may help regulate the hair growth cycle.
155 citations
,
August 2003 in “Journal Of Experimental Zoology Part B: Molecular And Developmental Evolution” Understanding hair growth involves complex interactions between molecules and could help treat hair disorders.
149 citations
,
July 2014 in “Cold Spring Harbor Perspectives in Medicine” The dermal papilla is crucial for hair growth and health, and understanding it could lead to new hair loss treatments.
136 citations
,
May 2016 in “Phytotherapy Research” Turmeric may have benefits for skin health, but more research is needed to confirm its effectiveness.