TLDR Certain chemicals can change hair growth and color.
The document discussed various chemicals and their effects on hair growth and pigmentation. It reviewed the influence of hormones, vitamins, and other compounds on hair follicles and melanin production. The study highlighted that certain chemicals could stimulate or inhibit hair growth and alter hair color. The findings were based on observations and experiments conducted by the author, Arthur Rook, a consultant dermatologist. The research provided insights into potential treatments for hair loss and pigmentation disorders, although the specific number of subjects involved in the study was not mentioned.
32 citations
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December 1963 in “Pharmacological Reviews” Some drugs can cause hair loss and skin issues.
74 citations
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March 1963 in “Archives of Dermatology” Triparanol therapy can cause hair loss and skin dryness without inflammation or damage to hair follicles or skin structures.
21 citations
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August 1960 in “British journal of dermatology/British journal of dermatology, Supplement” Endoxan often causes hair loss, which usually starts in the third week of treatment.
521 citations
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January 1954 in “Physiological Reviews” Hair growth is cyclic and influenced mainly by local factors.
114 citations
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December 1951 in “Archives of Dermatology” Aminopterin strongly suppresses epithelial tissues and can treat certain skin conditions but has significant side effects.
236 citations
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January 1951 in “Physiological zoology” Hair growth and pigmentation in mice involve specific stages crucial for research.
44 citations
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March 1947 in “Endocrinology” Thiourea compounds affect hair growth and pigmentation in black rats.
August 2024 in “International Journal of Basic & Clinical Pharmacology” Secretome-based therapies could improve hair growth better than current treatments.
6 citations
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January 2020 
1 citations
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September 2013 in “Elsevier eBooks” Hair ages and thins due to factors like inflammation and stress, and treatments like antioxidants and hormones might improve hair health.
June 2023 in “International journal of research in ayurveda and pharmacy” Dhatryadi Rasayana, an Ayurvedic herbal mix, may be a safe and effective way to prevent premature hair greying.
January 1989 in “Clinical and Experimental Dermatology” The symposium concluded that hair growth involves complex processes, including the hair follicle life cycle, the role of the dermal papilla, hair strength, pigmentation, and the impact of diseases and treatments like minoxidil on hair and skin.
