research Pulling force deforms hair follicle root sheath nuclei and surrounding dermal collagen matrix differently at infundibulum, isthmus and suprabulbar regions
Hair follicles respond differently to pulling forces in various regions.
Search
forResearch
5 / 1000+ resultsresearch Seborrheic karatosis, a tumor of the infundibular and isthmus of hair follicles: Identification of hair sheath keratins and histopathological features suggesting hair follicle origin.
Seborrheic keratosis likely originates from the upper regions of hair follicles.
research Keratinocytes of the Upper Epidermis and Isthmus of Hair Follicles Express Hemoglobin mRNA and Protein
Skin cells and certain hair follicle areas produce hemoglobin, which may help protect against oxidative stress like UV damage.
research Localization of Merkel cells at hairless and hairy human skin sites using keratin 18
Merkel cells are more densely found in hairless skin areas like palms and soles.
research Matriptase Expression and Zymogen Activation in Human Pilosebaceous Unit
Matriptase is highly active in hair follicles and sebaceous glands, especially during hair growth phases.
Community Join
4 / 1000+ resultscommunity Microneedling depth. Does one length fit all areas of the scalp? Maybe not.
Microneedling depth should be customized based on hair type and scalp area, with many users finding 0.5-0.6mm effective for miniaturized hairs to avoid damage. Users report varying pain levels and results, with some preferring shorter needle lengths and others using longer ones like 1.75mm for scalp health and density improvement.
community Microneedling must reach the stem cells in the upper hair shaft
Microneedling should target depths of 0.5mm to 1.5mm for hair loss, with weekly sessions at 1mm recommended. Combining microneedling with Minoxidil is common for improved results.
community Quote from Pelage (PP-405) Spokesperson...
Pelage is developing a topical hair follicle stem cell therapy, PP405, for non-scarring alopecias like androgenetic alopecia, with Phase III trials planned and a potential market launch by 2027. The treatment may not require continuous use after initial regrowth.
community If You Have DUPA, PLEASE READ THIS: Everyone Should Be Scalp Biopsied
Scalp biopsies are crucial for diagnosing hair loss conditions like Diffuse Unpatterned Alopecia (DUPA) and retrograde hair loss, as treatments like finasteride and dutasteride may not be effective if other conditions are present. Combining PPAR-GAMMA agonists with retinoids could improve treatments for conditions like Lichen Planopilaris.
Clinics
6 / 11 results- 7
Hair Loss TreatmentsRiver Region Dermatology and LaserMontgomery, AL · US - 6
Hair Loss TreatmentsSkin Specialists of the Capital Region, PLLCAlbany, NY · US - 29
SMPScalpz Canada: SMP Scalp Micropigmentation Studio in Durham RegionClarington, ON · CA - 29TrichologyCabeleireira Regina NascimentoSão Paulo, SP · BR
- 22
Hair Loss TreatmentsBodysculpting ReginaRegina, SK · CA - 35Hair TransplantRegina Liposuction and Hair TransplantRegina, SK · CA
Experts
6 / 6 results- 44
Hair Transplant SurgeonDr. Reginaldo Mendonça Fernandes
Goiânia, GO, Brazil
- 73
Hair Loss SpecialistRegina Vamos
São Paulo, SP, Brazil
- 23
TrichologistRégine
Incomplete name
Montreal, QC, Canada
- 16
Hair Transplant SurgeonDr. Redion Bejleri
Tirana, Albania
- 36
Hair Loss SpecialistRegina Demasi, DNP, BSBA, APRN, FNP-BC
Morgantown, WV, United States
- 23
Hair Transplant SurgeonDr. Regina Desiree Peña López Portillo, MD
Hermosillo, Sonora, Mexico
Learn
— no results