4 citations
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September 2012 in “Journal of dermatological science” The hair follicle's connective tissue is a key source of a certain collagen in human scalp skin.
June 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” This study found that low-level pulsed wave red light stimulated collagen and ATP production in human fibroblasts with significantly shorter treatment time than continuous wave light, suggesting enhanced consumer compliance for skin treatments.
May 2024 in “International journal of medicine and psychology.” In this study, combining transcranial electrical stimulation with bisphosphonate therapy in patients with postmenopausal osteoporosis resulted in a protective effect on bone collagen synthesis, as indicated by higher P1NP levels over 12 months, compared to bisphosphonates alone.
11 citations
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August 1995 in “Journal of Investigative Dermatology” 56 citations
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December 1990 in “Differentiation” Growth factors can either promote or inhibit hair follicle cell growth and collagen breakdown.