research P‐79 Hair follicle growth arrest in Austrian Icelandic horses
This study observed that supplementing with vitamins, iodine, cobalt, and selenium prevented hair follicle growth arrest in Icelandic horses during winter.
Search
forResearch
5 / 1000+ resultsresearch Intensive stress impedes hair follicle growth through triggering cell cycle arrest of hair follicle stem cells
In this study on mice, intensive stress through methods like resiniferatoxin injections and physical restraint was found to inhibit hair follicle growth, with the mechanism involving the sympathetic nervous system and the cAMP signaling pathway in hair follicle stem cells.
research LB821 Human hair follicle dermal papilla as an in vitro model to study stress-induced hair growth arrest
This study highlights that stress-induced activation of the HPA axis in human hair follicles can lead to hair growth arrest, but variability in follicle response complicates potential therapeutic approaches.
research Characterisation of cell cycle arrest and terminal differentiation in a maximally proliferative human epithelial tissue: Lessons from the human hair follicle matrix
This study observed that CIP/KIP proteins play a significant role in regulating cell cycle arrest and differentiation in human hair follicles, supporting hair growth and formation in the anagen phase.
research Recent Progress in the Understanding of the Effect of Sympathetic Nerves on Hair Follicle Growth
This review discusses recent advancements in understanding how the sympathetic nervous system and norepinephrine regulate hair follicle growth, highlighting innovative studies that explore their effects on hair follicle stem cells.
Community Join
5 / 1000+ resultscommunity PP405 Won't Work Long Term: Hair Follicle Damage Due to Abuse of the ISR System
PP405 may damage hair follicles if used long-term, suggesting cycling might be necessary. Combining it with finasteride could help maintain hair growth.
community Pelage PP405: New Hair Growth from Inactive Follicular Units - Phase 2a results at AAD 2026
PP405, a topical treatment, shows promise for hair growth by activating inactive follicles, with 66% of participants experiencing positive results. The treatment is well-tolerated and may proceed directly to Phase 3 trials, offering a potential alternative to minoxidil and finasteride.
community Confused why people are calling PP405 a cure...it never claimed to be able to undo miniaturization or revert vellus back to terminal hairs. It seems to be more of a growth stimulant like minoxidil.
PP405 is not a cure for hair loss but may reactivate dormant hair follicles, similar to minoxidil. It is unlikely to help with miniaturized or vellus hairs and is still in trial phases, with availability expected around 2030.
community Do hair follicles dies or are dormant ?
Hair follicles can be dormant and potentially revived with treatments like finasteride and minoxidil, but irreversible loss occurs if certain structures are destroyed. Early intervention is more effective, and additional methods like microneedling may help.
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.
Learn
10 / 800 results- 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.
- How does Oleic Acid support hair follicle strength and growth? Lab and animal studies suggest oleic acid may help the scalp barrier and hair shaft. No human trial shows that it strengthens follicles or slows hair loss.
- Can Ecklonia Cava reactivate dormant hair follicles and support new growth? No human study has tested whether Ecklonia cava reactivates hair follicles; the evidence comes from cultured cells, cultured follicles and mice.
- Can products that stimulate Vascular Endothelial Growth Factor (VEGF) improve blood flow to hair follicles? Unproven. Raising VEGF increases vessels around follicles in mice and minoxidil raises VEGF in cultured cells, but no study shows VEGF-marketed products improve scalp blood flow or hair loss in people.
- Does salicylic acid help clean and unclog hair follicles, and does that help hair growth? Salicylic acid loosens dead skin and oil on the scalp and is used in dandruff shampoos. No controlled study has shown that it helps hair grow.
learn Folic acid
learn oleic acid
learn Ecklonia Cava
learn Vascular Endothelial Growth Factor
learn Salicylic acid
learn Hair Transplant
Surgery that moves hair follicles from the back of the scalp to thinning areas
learn KY19382
Experimental compound that activates hair-growth signals, tested only in animals
learn SCUBE3
Signalling protein made in the hair follicle
learn Hair Multiplication
extract, clone, and reinsert your own hair cells
