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30 / 1000+ results![Beyond the Epidermal-Melanin-Unit: The Human Scalp Anagen Hair Bulb Is Home to Multiple Melanocyte Subpopulations of Variable Melanogenic Capacity](/images/research/eb112b4d-2536-4374-90c1-c043be007c88/small/21294.jpg)
research Beyond the Epidermal-Melanin-Unit: The Human Scalp Anagen Hair Bulb Is Home to Multiple Melanocyte Subpopulations of Variable Melanogenic Capacity
The human scalp hair bulb contains different types of melanocytes with varying abilities to produce melanin.
![Beyond the Epidermal-Melanin-Unit: The Human Scalp Anagen Hair Bulb Is Home to Multiple Melanocyte Subpopulations of Variable Melanogenic Capacity](/images/research/1a232275-5769-4109-a7b6-6d251e0695e6/small/21301.jpg)
research Beyond the Epidermal-Melanin-Unit: The Human Scalp Anagen Hair Bulb Is Home to Multiple Melanocyte Subpopulations of Variable Melanogenic Capacity
The human scalp has different types of pigment cells in hair follicles with varying abilities to produce pigment.
research Do Hair Bulb Melanocytes Undergo Apotosis During Hair Follicle Regression (Catagen)?
Hair follicle melanocytes die during hair regression.
![883 Hair follicle bulb developed as 3D scaffold free microtissue](/images/research/8d8d8f65-1b21-4b13-b8cb-f14ca4c75104/small/19547.jpg)
research 883 Hair follicle bulb developed as 3D scaffold free microtissue
Scientists created a tiny, 3D model of a hair follicle that grows and acts like a real one.
![Loose anagen hair syndrome in children of Upper Egypt](/images/research/f468a788-a920-4b3e-bb1c-a4e692991f9a/small/24774.jpg)
research Loose anagen hair syndrome in children of Upper Egypt
Loose Anagen Hair syndrome occurs in dark-skinned children and often improves on its own.
research Loose Anagen Hair Syndrome
A 6-year-old girl's inability to grow her hair long was due to Loose Anagen Hair Syndrome, which causes hair to shed easily and may improve with age.
![DNA determination of human hair bulbs in normal and androgenetic alopecia](/images/research/a3cc92fb-fc08-47bc-b26d-31eb953f56d8/small/2038.jpg)
research DNA determination of human hair bulbs in normal and androgenetic alopecia
Hair loss happens due to faster cell growth and fewer cells in affected follicles.
![Melanogenesis Is Coupled to Murine Anagen: Toward New Concepts for the Role of Melanocytes and the Regulation of Melanogenesis in Hair Growth.](/images/research/13748671-10eb-46eb-8a68-c62729f76974/small/35033.jpg)
research Melanogenesis Is Coupled to Murine Anagen: Toward New Concepts for the Role of Melanocytes and the Regulation of Melanogenesis in Hair Growth.
Hair color production is closely linked to the active growth phase of hair in mice and may also influence hair growth itself.
![A Case of Loose Anagen Hair Syndrome in a Southeast Asian Boy](/images/research/107af3c3-8e42-4a03-a98f-15ff55904eb8/small/32063.jpg)
research A Case of Loose Anagen Hair Syndrome in a Southeast Asian Boy
A Thai boy was diagnosed with a rare hair disorder causing hair thinning and shedding.
![Histologic Study of the Regeneration Process of Human Hair Follicles Grafted onto SCID Mice after Bulb Amputation](/images/research/12552168-3457-434b-9d61-06f2cd4c2d80/small/20036.jpg)
research Histologic Study of the Regeneration Process of Human Hair Follicles Grafted onto SCID Mice after Bulb Amputation
Human hair follicles can regenerate and recover after severe injury by going through a brief abnormal resting phase before growing again.
![Removal of Intact Hair Papilla and Connective Tissue Sheath by Plucking Anagen Hairs**From the Department of Dermatology of the University of Hamburg, Germany.](/images/research/d1cf57a9-216b-4c59-bb77-72ac0dfe6cce/small/25611.jpg)
research Removal of Intact Hair Papilla and Connective Tissue Sheath by Plucking Anagen Hairs**From the Department of Dermatology of the University of Hamburg, Germany.
Plucking hairs in a certain way can result in intact hair roots, not related to baldness.
![Stress-sensing in the human greying hair follicle: Ataxia Telangiectasia Mutated (ATM) depletion in hair bulb melanocytes in canities-prone scalp](/images/research/b2bdba21-e4b9-4250-a02b-6e33904f986f/small/27281.jpg)
research Stress-sensing in the human greying hair follicle: Ataxia Telangiectasia Mutated (ATM) depletion in hair bulb melanocytes in canities-prone scalp
Hair greying is linked to reduced ATM protein in hair cells, which protects against stress and damage.
![Hot water extract of oriental melon leaf promotes hair growth and prolongs anagen hair cycle: In vivo and in vitro evaluation](/images/research/23b40f42-6d39-4e92-b67a-d77f716ebaa6/small/18484.jpg)
research Hot water extract of oriental melon leaf promotes hair growth and prolongs anagen hair cycle: In vivo and in vitro evaluation
Oriental melon leaf extract may help hair grow and keep it in the growing phase longer.
![Hair Follicle Immune Privilege Revisited: The Key to Alopecia Areata Management](/images/research/b6a06b26-2a2d-4b11-9506-d7f023d4662e/small/31534.jpg)
research Hair Follicle Immune Privilege Revisited: The Key to Alopecia Areata Management
Restoring hair bulb immune privilege is crucial for managing alopecia areata.
![Anagen Effluvium in Association With Extracorporeal Membrane Oxygenation](/images/research/c78362ce-2629-4a99-bc7a-0c53a30ef68f/small/24164.jpg)
research Anagen Effluvium in Association With Extracorporeal Membrane Oxygenation
A critically ill boy experienced hair loss likely due to the stress of his medical treatments, but his hair regrew completely in 1.5 months.
research A case of familial trichomegaly with synophrys in association with loose anagen syndrome
A 17-year-old girl and her brothers have a rare hair condition with long eyelashes, thick eyebrows, and easily pluckable hair.
research Towards a “free radical theory of graying”: melanocyte apoptosis in the aging human hair follicle is an indicator of oxidative stress induced tissue damage
Oxidative stress causes hair to gray by damaging and killing pigment cells.
![Temporary hair removal by low fluence photoepilation: Histological study on biopsies and cultured human hair follicles](/images/research/dbb1d531-a9a2-4262-87d9-5b2bd8d66b30/small/29412.jpg)
research Temporary hair removal by low fluence photoepilation: Histological study on biopsies and cultured human hair follicles
Low fluence photoepilation temporarily removes hair by targeting the hair follicle's pigmented area without severe damage.
![Hair follicle stem cells: Walking the maze](/images/research/f0e5a327-4ce3-481e-99c9-e62bc6945e29/small/12873.jpg)
research Hair follicle stem cells: Walking the maze
Hair follicle stem cells are key for hair and skin regeneration, can be reprogrammed, and have potential therapeutic uses, but also carry a risk of cancer.
research Morphological analysis of in vitro human hair growth
Human hair follicles can grow and stay healthy for up to 8 days in a lab setting.
![Hair-cycle dependent differential expression of ADAM 10 and ADAM 12](/images/research/3298accc-ab5c-49a4-9ce2-8f14e88f6dbd/small/14928.jpg)
research Hair-cycle dependent differential expression of ADAM 10 and ADAM 12
ADAM 10 and ADAM 12 proteins are involved in different stages of hair growth and could be targets for treating hair disorders.
research 576 A preliminary study of melanogenic markers in the differentiation of the human hair follicle melanin unit
The study found markers indicating that cells responsible for hair color are differentiating in specific areas of the hair follicle.
![Prolactin and Its Receptor Are Expressed in Murine Hair Follicle Epithelium, Show Hair Cycle-Dependent Expression, and Induce Catagen](/images/research/abd1d9bb-50e0-4a95-9246-8ae0a82d1c34/small/15418.jpg)
research Prolactin and Its Receptor Are Expressed in Murine Hair Follicle Epithelium, Show Hair Cycle-Dependent Expression, and Induce Catagen
Prolactin affects hair growth cycles and can cause early hair follicle regression.
![Intermediate hair follicles: a new more clinically relevant model for hair growth investigations](/images/research/b8c8d485-7926-47c6-938e-f40d8c20a525/small/26260.jpg)
research Intermediate hair follicles: a new more clinically relevant model for hair growth investigations
Intermediate hair follicles are a better model for studying hair growth and testing hair loss treatments.
research Melanocyte Subpopulation Turnover During the Human Hair Cycle: An Immunohistochemical Study
Melanocyte activity in hair follicles is linked to the hair growth cycle, being active in growth phases and inactive in rest phases.
![Red ginseng oil promotes hair growth and protects skin against UVC radiation](/images/research/550f6862-3d26-4845-b52f-b50a41ee5ad2/small/22856.jpg)
research Red ginseng oil promotes hair growth and protects skin against UVC radiation
Red ginseng oil may help grow hair and protect skin from UVC light.
![Perspectives and Challenges of Hair Analysis](/images/research/a3be95db-81f0-4349-9463-926753de8069/small/27746.jpg)
research Perspectives and Challenges of Hair Analysis
Hair is a complex organ, and understanding its detailed structure and growth phases is crucial for analyzing substances within it.
![FGF signaling for hair cycle resting phase alleviates radiation alopecia](/images/research/2f592372-ae75-4e14-9b24-4f5ef59f07af/small/19593.jpg)
research FGF signaling for hair cycle resting phase alleviates radiation alopecia
FGF18 treatment during hair's resting phase can protect against hair loss from radiation.
![Hair growth promoting effect and action mechanism of Chrysanthemum zawadskii extract](/images/research/636b3d51-800e-4563-9da1-8ae9d6c1f054/small/23106.jpg)
research Hair growth promoting effect and action mechanism of Chrysanthemum zawadskii extract
Chrysanthemum zawadskii extract may help treat hair loss by promoting hair growth and affecting growth factors.