2 citations
,
December 2025 in “Cosmetics” This review reports on the effects of aging on hair characteristics such as pigmentation, growth, and structural properties across genders and ethnicities, highlighting the importance of scalp health and suggesting cosmetic solutions to improve the appearance of aged hair.
1 citations
,
May 2023 in “Frontiers in medicine” This review explores how hair dyes and perms can damage hair structure and notes that while some adverse outcomes like skin irritation and allergic reactions have been reported, evidence from human studies remains inconsistent regarding potential risks, including cancer.
January 2023 in “Fashion and textiles” This study found that hair dyed with anionic basic hair dye lost more color after shampooing compared to cationic and nonionic dyes, with alkaline shampoo increasing this effect.
2 citations
,
March 2020 in “Developmental cell” This study reported that stress can induce hair graying in mice through noradrenaline-mediated depletion of melanocyte stem cells in hair follicles, providing a mechanism that connects stress to hair color changes.
7 citations
,
February 2019 in “International Journal of Dermatology” This review discusses factors influencing hair pigmentation and the etiology of canities, noting the lack of clarity in underlying mechanisms and calling for further research on treatment options.
33 citations
,
August 2018 in “Facial Plastic Surgery Clinics of North America” This review discusses various biologics for hair aging but reports no agent capable of reversing the natural aging process of hair.
37 citations
,
October 2017 in “Saudi pharmaceutical journal” This study reports that six shampoo brands in Saudi Arabia generally comply with the national specifications, demonstrating good physicochemical properties such as foam stability and pH levels.
84 citations
,
April 2015 in “Cosmetics” This review discusses various types of hair dyes, their mechanisms of action, molecular structures, application methods, and formulation aspects, but reports no new research findings.