15 citations
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October 1936 in “Archives of Dermatology” Cystine is crucial for forming keratin in hair, wool, and nails.
October 2025 in “World Journal of Advanced Research and Reviews” Onion oil may improve hair health and regrowth.
May 2024 in “Molecules/Molecules online/Molecules annual” Plant extracts can help prevent hair loss and promote hair growth.
98 citations
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February 2021 in “Dermatologic Therapy” Air pollution harms skin, causing aging, diseases, and cancer.
April 2024 in “Advances in Redox Research” Human hair strength and health are linked to sulfur compounds that can be reduced by stress but improved with sulfur supplements.