13 citations
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March 2017 in “Skin Research and Technology” In this study, formaldehyde hair straighteners significantly damaged curly hair by reducing break stress and break extension, while glyoxylic acid had a milder effect; both treatments increased shear modulus and decreased water sorption.
9 citations
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May 2018 in “Photochemistry and photobiology” In this study, the multifunctional Hair BB Cream containing botanical extracts and other ingredients improved hair combability, increased shine and strength, and provided UV protection, highlighting its potential as an effective hair care product.
3 citations
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August 2011 in “PubMed” This study found that coconut oil use was associated with less hair damage than normal grooming practices, as indicated by hair breakage index and break stress measurements.
April 2023 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that DNA-damaged hair follicle stem cells in mouse models do not show typical senescent markers but are dynamically expelled to maintain tissue health and prevent hair loss.
June 2022 in “Journal of the turkish academy of dermatology” This study from Turkey observed that the COVID-19 pandemic adversely affected dermatology patients, particularly by interrupting treatments and restricting outpatient visits.