December 2024 in “Proceeding International Collaborative Conference on Multidisciplinary Science” In this study, researchers developed a shampoo using ambon banana peel and green tea leaves, reporting that it showed positive characteristics and was safe for addressing hair loss, with optimal viscosity levels achieved in certain formulations.
September 2026 in “World Journal of Pharmacy and Pharmaceutical Sciences” This study reports the successful formulation of a stable herbal hair serum with Catharanthus roseus extract and other ingredients, noting it has a suitable pH, consistency, and stability, suggesting potential effectiveness as a natural alternative for hair care pending further clinical trials.
June 1996 in “Journal of Dermatological Science” Vitamin D3 applied to mouse skin caused more wrinkles and sagging due to changes in the skin's outer layer.
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August 2019 in “Electronics and Communications in Japan” This study reports a highly sensitive MEMS silicon-hair device that mimics hair follicle functions by detecting minimal forces and moments, including electrostatic attraction and surface tension of liquids.
26 citations
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March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.