February 2026 in “International Journal of Molecular Sciences” PDLLA filler can improve hair thickness and shine by reducing age-related hair decline.
62 citations
,
July 1993 in “Journal of Investigative Dermatology” Hair growth is influenced by interactions between skin layers, growth factors, and hormones, but the exact mechanisms are not fully understood.
57 citations
,
January 2014 in “Cold Spring Harbor Perspectives in Medicine” Skin stem cells maintain and repair the outer layer of skin, with some types being essential for healing wounds.
21 citations
,
January 2005 in “Skinmed” Hair and nails are similar keratin structures with different shapes and growth, affected by the same diseases and environmental factors.
19 citations
,
March 2017 in “PLoS ONE” PSU are better than THF at regenerating skin layers in lab models.
November 2023 in “npj regenerative medicine” Skin spheroids with both outer and inner layers are key for regrowing skin patterns and hair.
101 citations
,
December 2010 in “The journal of investigative dermatology/Journal of investigative dermatology” Scientists turned mouse stem cells into skin cells that can grow into skin layers and structures.
351 citations
,
February 2010 in “Nature Cell Biology” Basal cell carcinoma mostly starts from cells in the upper skin layers, not hair follicle stem cells.
36 citations
,
February 2018 in “British Journal of Dermatology” Sweat glands and hair follicles are structurally connected within a specific layer of skin fat.
14 citations
,
April 2019 in “Genes” Researchers found a genetic region that influences the number of coat layers in dogs.