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Glossary Keratin 2

protein providing structural strength to skin, hair, and nails

Keratin 2 (KRT2) is a type of protein found in the outer layer of the skin, hair, and nails. It plays a crucial role in providing structural strength and resilience to these tissues, helping to protect them from damage and wear. Mutations in the KRT2 gene can lead to skin disorders such as ichthyosis bullosa of Siemens, which is characterized by blistering and scaling of the skin.

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Research

5 / 1000+ results

The Human Type I Keratin Gene Family: Characterization of New Hair Follicle Specific Members and Evaluation of the Chromosome 17q21.2 Gene Domain

research The human type I keratin gene family: Characterization of new hair follicle specific members and evaluation of the chromosome 17q21.2 gene domain

70 citations , December 2004 in “Differentiation”

This study identifies six novel keratin genes from the chromosome 17q21.2 region, suggesting their association with hair follicles, while all 27 keratin genes in the domain have been characterized transcriptionally.

research Binding Interactions of Keratin-Based Hair Fiber Extract to Gold, Keratin, and BMP-2

22 citations , August 2015 in “PloS one”

This study found that the binding and release of BMP-2 from kerateine biomaterials are significantly influenced by pH and salt concentration, highlighting the potential for developing improved bone repair systems.

research The Mean Staple Length of Wool Fibre Is Associated with Variation in the Ovine Keratin-Associated Protein 21-2 Gene

4 citations , January 2020 in “Genes”

This study found that genetic variation in the KRTAP21-2 gene among crossbred Merino lambs was associated with differences in wool traits, particularly mean staple length.

research Identification of the Keratin-Associated Protein 22-2 Gene in the Capra hircus and Association of Its Variation with Cashmere Traits

1 citations , September 2023 in “Animals”

This study found that genetic variants in the goat KRTAP22-2 gene are associated with the mean fiber diameter of cashmere in Longdong Cashmere goats, suggesting these variants could serve as molecular markers for improving cashmere traits.

research Chemical modification of keratin fibers using 2‐iminothiorane hydrochloride

16 citations , October 2003 in “Journal of applied polymer science”

This study found that chemically modifying hair with 2-iminothiorane hydrochloride improved the permanence of hair setting without damaging the hair by increasing disulfide bonds.

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Community Join

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community This is just a 45 day difference

in Progress Pictures 51 upvotes 1 year ago

The user started oral finasteride on February 3, 2025, and uses topical minoxidil, Nizoral, derma stamping, Vitamin D3 + K2, and biotin/keratin for hair loss. They reported significant progress in 45 days.

community Keratin microspheres - breakthrough

14 upvotes 2 years ago

A gel of keratin microspheres promotes hair follicle growth, showing similar effectiveness to minoxidil in mice. The treatment activates hair growth pathways and reduces inflammation, with potential applications in drug delivery for hair-related disorders.

community 20m. 1mg fin. Week 8

4 upvotes 9 years ago

A user reports positive results with finasteride, noticing thicker hair and regrowth at the temples and hairline. Another user shares their experience with minoxidil, noting small hairs that haven't grown, and plans to add finasteride to their regimen.

community Dec 2024 vs now (min + fin/dut)

in Progress Pictures 27 upvotes 10 months ago

The user experienced hair thickening and reduced shedding using minoxidil, finasteride, and dutasteride, with a switch from finasteride to dutasteride due to ineffectiveness. They also use a saw palmetto shampoo and take vitamin D3 supplements, while considering potential underlying causes like vitamin deficiencies and hard water buildup.

community 2019 vs 2022 vs 2026: 1mg oral fin, 0.1% fin + 7% minox topical daily for 2-2.5 years, nizoral 2-3 times weekly, random 0.5-2mm microneedling every 2-3 months

74 upvotes 3 months ago

The user experienced significant hair regrowth using a regimen of 1mg oral finasteride, 0.1% finasteride and 7% minoxidil topical daily, along with nizoral and microneedling. They regained all lost hair and more, achieving a Norwood 1.5 hairline with improved hair and scalp texture.

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Learn

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learn Overview

learn Keratin

What role does keratin play in strengthening weak or thinning hair? Keratin strengthens hair by forming protective structures that prevent breakage and thinning.
Are keratin treatments good for people with alopecia, or do they only improve the hair’s appearance? Keratin treatments improve hair appearance but do not address alopecia or stimulate growth.
Is keratin in shampoos and conditioners actually absorbed by the hair, or does it just coat the surface? Keratin in shampoos mainly coats the hair rather than being absorbed.
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learn Hydrolyzed Keratin

learn Alpha Keratin

learn Palmitoyl Tetrapeptide-20

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Clinics

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