34 citations,
September 2020 in “Clinical, cosmetic and investigational dermatology” Hyaluronic acid increases collagen synthesis safely, while poly-L-lactic acid may cause complications by affecting fibroblasts.
23 citations,
July 1996 in “Archives of Dermatological Research” bFGF, VEGF, and minoxidil decrease collagen production in hair cells, possibly affecting hair growth.
3 citations,
July 1996 in “Archives of Dermatological Research” June 2021 in “Journal of Cosmetic Dermatology” Laser treatment shows promise for hair growth, but needs further research.
4 citations,
February 1983 in “Journal of periodontology” A liquid protein diet significantly affected young rats' body weight but had little effect on their gingival collagen metabolism.