264 citations
,
January 2008 in “Journal of biomedical optics” This study found that ZnO nanoparticles in topical skin products do not penetrate beyond the outer skin layers in humans, suggesting minimal safety concerns for subdermal absorption.
3 citations
,
June 2007 in “Journal of Cosmetic Dermatology” This review discusses the causes of hair shaft abnormalities and highlights the role of cosmetic products in treating hair disorders, though it reports no new clinical findings.
67 citations
,
April 2007 in “Journal der Deutschen Dermatologischen Gesellschaft” This article reviews the development and formulation of shampoos, emphasizing their dual role as cosmetic and medicinal products, but presents no new experimental findings.
73 citations
,
June 2003 in “Journal of the American Academy of Dermatology” This article reviews common hair-care practices among African American patients and discusses how these practices relate to hair and scalp disorders, without presenting new clinical research.
April 2024 in “Cosmetics” Different oils affect hair flexibility and strength, with their impact varying on whether hair is virgin or bleached.
21 citations
,
July 1988 in “Clinics in dermatology” This article reviews haircare practices and hair cosmetics for patients with alopecia, emphasizing healthy scalp maintenance and caution in styling; it reports no new clinical results.