October 2025 in “Nephrology Dialysis Transplantation” Hair-straightening products with glyoxylic acid can cause kidney damage.
January 2017 in “Clinical approaches and procedures in cosmetic dermatology” Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.
1 citations
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January 2017 in “Clinical approaches and procedures in cosmetic dermatology” Hair can't be reliably repaired once damaged; prevention and proper product use are key to maintaining hair health.
39 citations
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June 2017 in “Journal of Applied Research on Medicinal and Aromatic Plants” Plant-based ingredients are effective and safe for modern skincare products.
18 citations
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November 2014 in “Journal of Agricultural and Food Chemistry” Brazilian propolis was found to speed up hair growth in mice by increasing the growth of skin cells that form hair.