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Glossary Follicular Keratinization

process where hair follicle cells produce and harden keratin

Follicular keratinization is the process by which cells in the hair follicle produce keratin, a protein that forms the structure of hair. This process involves the hardening and flattening of these cells as they move up the follicle, eventually forming the hair shaft. Proper keratinization is essential for healthy hair growth, while abnormalities in this process can lead to hair disorders.

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Research

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research Induction of Hair Keratins Expression by an Annurca Apple-Based Nutraceutical Formulation in Human Follicular Cells

13 citations , December 2019 in “Nutrients”

In human follicular cells, this study found that an Annurca apple-based dietary supplement may stimulate the production of hair keratins, suggesting potential benefits for hair growth.

research Angora Mouse Mutation: Altered Hair Cycle, Follicular Dystrophy, Phenotypic Maintenance of Skin Grafts, and Changes in Keratin Expression

69 citations , May 1997 in “Veterinary Pathology”

This study found that the angora mouse mutation prolongs the anagen phase, resulting in excessively long hair and follicular abnormalities, without involving circulating hair cycle factors.

research Dendrobium officinale polysaccharide improves hair regrowth in androgenetic alopecia mice and is associated with coordinated changes in local steroid metabolism, ESR1 activation, and keratin-related follicular responses

May 2026 in “Frontiers in Pharmacology”

In this study, DOP treatment improved hair regrowth in androgenetic alopecia by altering local steroid metabolism and follicular morphology.

research Severe follicular hyperplasia and spontaneous papilloma formation in transgenic mice expressing theneu oncogene under the control of the bovine keratin 5 promoter

47 citations , January 1998 in “Molecular Carcinogenesis”

This study observed that targeted expression of the neu oncogene in transgenic mice led to significant epidermal hyperplasia and a carcinoma-like appearance, suggesting a crucial role for erbB2 signaling in epidermal proliferation and carcinogenesis.

research Expression of type I hair keratins in follicular tumours

26 citations , May 2001 in “British Journal of Dermatology”

This study suggests that pilomatrixomas' maturation towards areas of shadow cells is linked to a gradual loss of differentiation-specific hair keratins, supporting a hair matrix origin for the tumor.

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Community Join

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community a new supplement just released

12 upvotes 8 years ago

A dermatologist recommended a new supplement containing annurca apple, which reportedly doubles hair density and increases keratin after 60 days, to be used with finasteride. Some users are skeptical, considering it potentially ineffective or a marketing ploy, while others are open to trying it if it proves effective and affordable.

community What supplements or extra dtuff do you guys do for your hair?

2 upvotes 2 years ago

OP uses multivitamins, collagen, biotin, keratin, omega-3, satin bonnet, dandruff shampoo, oil moisturizer, and sun exposure for hair care. Users suggest adding antioxidants, probiotics, pumpkin seed oil, vitamin D, iron, and dermastamping.

community Minoxidil Response Bottlenecks: Why Sulfation and Transport Matter (And Where Tretinoin Fits In)

in Research 461 upvotes 1 year ago

Minoxidil's effectiveness is limited by the need for sulfation and proper transport to hair follicles, with tretinoin potentially enhancing its effects by promoting enzyme activity and keratinocyte differentiation. Tretinoin may improve minoxidil's response by boosting the expression of necessary enzymes and transporters.

community [Discussion] Trichoscopy in sudden-onset AGA: Pathology and reversibility of "Yellow Dots" without 5AR-inhibitors?

4 upvotes 6 months ago

Hair loss treatments discussed include microneedling, minoxidil, tretinoin, finasteride, dutasteride, pumpkin seeds, saw palmetto, and scalp massage. The consensus is that finasteride or dutasteride is necessary for significant regrowth, while other methods may only slow hair loss.

community Short Peptides for Hair Loss: anyone tried any of these?

14 upvotes 5 months ago

Various peptides are discussed for treating male pattern baldness, with some available for topical use like GHK-Cu and Ac-KGHK, while others remain in research stages. Users are interested in experiences and sourcing these treatments.

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Learn

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learn Hair Transplant

What is Follicular Unit Extraction (FUE) in hair transplants? Follicular Unit Extraction (FUE) is a minimally invasive hair transplant method that extracts individual hair follicles.
What is Follicular Unit Transplantation (FUT) in hair transplants? Follicular Unit Transplantation (FUT) involves removing a scalp strip for hair restoration.

learn Follicusan

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Clinics

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Hair Transplant
Australian Hair & Scalp Clinics-Hair Regrowth by Herbal Follicular ActivationMelbourne, VIC · AU

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