4 citations
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August 2014 in “The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology” In this study, the Narasoo healing shampoo and Hair tonic were associated with improvements in scalp hydration, hair gloss, and hair growth, but further research is recommended to confirm these effects.
This study developed a hat-shaped device with wearable sensors to estimate scalp moisture content using machine learning, demonstrating that it can provide accurate measurements comparable to professional scalp analyzers without the need for high-cost equipment.
16 citations
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May 2017 in “Journal of cosmetic dermatology” In this clinical study, the use of potentiated zinc pyrithione shampoo improved scalp health and hair surface characteristics, suggesting that unhealthy scalp conditions may negatively impact pre-emergent hair's cuticle surface.
7 citations
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January 2021 in “Journal of Cosmetics Dermatological Sciences and Applications” This review discusses the characteristics and interactions of the scalp barrier, dandruff, and scalp sensitivity but reports no new clinical results.
December 2020 in “Han-guk byuti gyeong-yeong hakoeji” This study found that weight control efforts among people in their 20s and 30s were associated with decreased skin moisture, elasticity, and increased hair loss and thinning.