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5 / 800 results- Does sh-Polypeptide-7 stimulate hair follicles or reduce scalp inflammation? sh-Polypeptide-7 is the INCI name for a lab-made form of human growth hormone (somatotropin) — not EGF, which is sh-Oligopeptide-1. Growth hormone and IGF-1 signalling is documented in hair follicle biology, but there is no published human trial of sh-Polypeptide-7 applied to the scalp for hair growth or scalp inflammation.
- What is sh-Polypeptide-7 and why is it used in some advanced hair serums and treatments? sh-Polypeptide-7 is the cosmetic-ingredient name for recombinant human growth hormone. It is marketed in hair and scalp products, but no published human trial shows that it helps hair growth, and its safety on the scalp has not been studied.
- Is sh-Polypeptide-7 considered a natural or synthetic ingredient, and how is it typically applied? sh-Polypeptide-7 is a synthetic (lab-made) form of human growth hormone, used in some topical skin and hair-care products. There is no published human trial showing that it benefits hair, and its safety on the scalp has not been studied.
- All 4 questions on sh-Polypeptide-7 →
- What is platelet-derived growth factor beta polypeptide (PDGF-BB), and does it stimulate new hair growth? PDGF-BB is a growth factor that signals to dermal papilla cells and promotes blood-vessel formation; mouse studies report it can push follicles into the growth phase, and human evidence comes only indirectly from PRP trials. No PDGF product is approved for hair restoration and there is no published human trial of PDGF-BB on its own.
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Research
5 / 1000+ resultsresearch Effects of in vivo-administered 2,3,7,8-tetrachlorodibenzo-p-dioxin on receptor binding of epidermal growth factor in the hepatic plasma membrane of rat, guinea pig, mouse, and hamster.
This study found that TCDD significantly reduced EGF receptor binding in various animal models, linked to toxic symptoms like weight loss and developmental delays, with receptor phosphorylation persisting several days.
research 2,3,7,8‐Tetrachlorodibenzo‐p‐dioxin causes an increase in protein kinases growth hepatic associated with epidermal factor receptor in the plasma membrane
In this study, TCDD administered to male rats down-regulated EGF receptor in liver plasma membranes and increased protein kinase activity, suggesting EGF receptor–mediated toxicological effects.
research 730 M2 macrophages promote wound induced hair neogenesis through the production of growth factors
This study suggests that infiltrating M2 macrophages promote wound-induced hair neogenesis in mice by producing growth factors that activate the wnt signaling pathway during the late phase of wound healing.
research BFNB Enhances Hair Growth in C57BL/6 Mice through the Induction of EGF and FGF7 Factors and the PI3K-AKT-β-Catenin Pathway
This study found that applying a formulation derived from Bacopa procumbens significantly promoted hair growth, pigmentation, and follicular cycle acceleration in mice compared to minoxidil, potentially offering a new therapeutic approach for hair health.
research 785 Single-cell transcriptomic profile of EGFR-deficient epidermal compartments during folliculitis
This study reported significant transcriptomic changes in keratinocyte and immune cell populations in a mouse model with EGFR-deficient epidermis, suggesting possible targets for mitigating adverse skin events in EGFR-targeted cancer therapy.
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5 / 66 resultscommunity The case of a 78 year old man who accidentally regrew his hair (published in the British Medical Journal)
A 78-year-old man regrew hair after suffering burns, suggesting that injury-induced healing processes might trigger hair growth. Microneedling and other treatments like minoxidil and finasteride are discussed as potential methods to stimulate similar regrowth.
community PP405: The Ultimate Hair Loss Drug for Complete Hair Growth
PP405 is a new hair loss treatment in phase 2 trials that may promote hair growth by increasing lactate production and activating hair follicle stem cells. It could potentially replace hormone-disrupting treatments like Minoxidil and finasteride.
community The Real Cause Of Androgenetic Alopecia
Androgenetic alopecia is caused by DHT affecting hair growth. Finasteride and minoxidil are used to manage hair loss by blocking DHT and promoting hair growth.
community Scalp slapping to increase blood flow?
This post and conversation are about using scalp slapping to increase blood flow for hair growth. One user suggests using minoxidil instead.
community Everything you ever wanted to know about Pelage Pharma's PP405: how it works and what to expect
PP405 may encourage earlier hair growth and slightly increase visible hair count but does not reverse hair follicle miniaturization in male pattern baldness. It does not address damage to the dermal papilla or broken Wnt signaling.
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