Using silicon circular iron on Korean women's hair increases hair thickness the most.
3 citations
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January 2009 in “Sen'i Gakkaishi” This study found that using a bicomponent reduction system with TGA and DTDG for hair straightening limited hair damage by forming only thiol groups, while a TGA-only system formed more damaging mixed disulfide groups.
20 citations
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July 1988 in “Clinics in dermatology” This article reviews the current practices and interpretations of research data on permanent waving and hair straightening, but does not present any new research findings.
February 2022 in “Cosmetic Dermatology” This review discusses the history and composition of permanent hair waving products for different hair types and reports no new research findings.
150 citations
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July 2001 in “Clinics in dermatology” This article discusses hair care practices and hair cosmetics in managing alopecia but reports no new clinical findings; it emphasizes the importance of scalp health and good patient-physician communication.