January 2020 in “International Journal of Herbal Medicine” The freeze-dried hair growth product is more stable and pure than the natural form.
36 citations
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October 2014 in “Langmuir” Bleaching hair removes its protective top layer and exposes more hydrophilic groups, changing its chemical surface and affecting how it interacts with products.
73 citations
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October 2013 in “International Journal of Cosmetic Science” Chemical hair straightening can damage hair and health, needing safer alternatives and stricter regulations.
170 citations
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January 2010 in “animal” Hair follicle growth and fiber production in animals are influenced by chemical signals, proteins, pigmentation, genetics, and nutrients.
31 citations
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March 1965 in “British Journal of Dermatology” Certain chemicals can change hair growth and color.