14 citations
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February 2011 in “Experimental dermatology”
This study identifies cartilage oligomeric matrixprotein (COMP) as a key extracellular matrix component in human hair follicle cycling, potentially regulated by TGFβ signaling, and suggests its importance in normal hair follicle biology.
This study found that encapsulating dermal papilla spheroids in alginate hydrogel with extracellular matrixproteins increased alkaline phosphatase activity, suggesting an enhanced manipulation of dermal papilla activity.
This study found that stem cell factor combined with fibronectin and type IV collagen promotes migration of amelanotic melanocytes, which may help explain their movement during vitiligo repigmentation.
11 citations
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August 2006 in “Cell Biology International”
This study found that endothelin-1 increases adhesion and chemotaxis of amelanotic melanocytes on fibronectin, laminin, and collagen IV, potentially through changes in the actin cytoskeleton.
A potential treatment for alopecia involving a protein that calms hair follicles has shown promise in rats, but skepticism remains about its applicability to humans. Many users express doubt about the timeline for effective hair loss treatments, comparing it to past unfulfilled promises.
Finasteride, dutasteride, saw palmetto, caffeine, spironolactone, acetyltetrapeptides, tea tree oil, hydrocortisone, zinc pyrithione, latanoprost, melatonin, marine protein supplements, PRP, microneedling, and valproate are discussed as treatments for hair loss. DHT reduction and inflammation control are key strategies.
PP405 may damage hair follicles if used long-term, suggesting cycling might be necessary. Combining it with finasteride could help maintain hair growth.
Hair growth relies on mechanical forces, not just chemicals, with tissue acting like a motor. Minoxidil and finasteride help, but maintaining tissue elasticity and addressing mechanical issues are essential.
Peptides like TB500, KPV, GHK-CU, and BPC-157 are overhyped for hair growth with limited proven effectiveness in humans. Combining peptides with delivery methods like iontophoresis and sonophoresis shows promise, but many claims remain unproven.
How does folic acid support hair follicle health and growth at a cellular level?Folate is required for the DNA synthesis that fast-dividing hair matrix cells depend on, and severe deficiency causes anemia—but no published trial has given folic acid to people with hair loss and measured the result, so a growth effect is a mechanism, not a finding.