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GlossaryKeratin 2 (K2)

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 A Homozygous Missense Variant in K25 Underlying Overlapping Phenotype With Woolly Hair and Dental Anomalies

2 citations, August 2022 in “The journal of investigative dermatology/Journal of investigative dermatology”

A specific mutation in the K25 gene causes a rare genetic disorder with curly hair at birth and later hair loss, along with dental issues.

research Loss of Keratin K2 Expression Causes Aberrant Aggregation of K10, Hyperkeratosis, and Inflammation

32 citations, April 2014 in “The journal of investigative dermatology/Journal of investigative dermatology”

Loss of keratin K2 causes skin problems and inflammation.

Physicochemical Characterization of Finasteride: PEG 6000 and Finasteride: Kollidon K25 Solid Dispersions, and Finasteride: Beta-Cyclodextrin Inclusion Complexes

research Physicochemical Characterization of Finasteride: PEG 6000 and Finasteride: Kollidon K25 Solid Dispersions, and Finasteride: Beta-Cyclodextrin Inclusion Complexes

11 citations, August 2011 in “Journal of Inclusion Phenomena and Macrocyclic Chemistry”

Finasteride's solubility and bioavailability improved by forming solid dispersions and inclusion complexes.

research Signaling Couples Hair Follicle Stem Cell Quiescence With Reduced Histone H3 K4/K9/K27me3 for Proper Tissue Homeostasis

31 citations, April 2016 in “Nature communications”

Certain signals are important for reducing specific chemical markers on hair follicle stem cells during rest periods, which is necessary for healthy hair growth.

research Preparation of Finasteride via Oxidative Elimination of 2-Iododihydrofinasteride Using Peroxydisulfates as Oxidizing Agents

1 citations, January 2017 in “Chinese Journal of Organic Chemistry”

Using K2S2O8 as an oxidizing agent in a specific condition, we can make Finasteride with 96.3% yield and 99.6% purity. This method is also good for other compounds and is environmentally friendly.

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community Looking for suggestions on vitamins

in Female 6 upvotes 10 months ago

A user is seeking affordable hair vitamins without biotin, already taking zinc and D3+K2, and has been dealing with chronic telogen effluvium since 2013. They previously used Nutrafol Vegan but found it too expensive.

community This is just a 45 day difference

in Progress Pictures 53 upvotes 2 weeks 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 Study shows significant improvement in hair with topical minoxidil and oral Vitamin d compared to just topical minoxidil alone.

in Minoxidil 206 upvotes 3 months ago

Taking oral Vitamin D alongside topical minoxidil improves hair density more than using minoxidil alone. Users discuss Vitamin D dosages, potential benefits, and the importance of combining it with Vitamin K2.

community Topical Minoxidil Hyperresponder

in Minoxidil 9 upvotes 5 months ago

Minoxidil helped regrow hair from NW3 to NW2 in 5 months despite initial shedding, with additional use of Vitamin D3/K2 on the scalp. Users discuss patience during shedding and the importance of continuing treatments like Minoxidil and Finasteride.

community 28 M....only oral finasteride 1mg

in Progress Pictures 245 upvotes 7 months ago

A 28-year-old male using only oral finasteride 1mg since May 15, 2024, reports no side effects and significant hair improvement. He plans to continue finasteride for three more months and is considering adding D3+K2 drops, zinc, folate, and magnesium glycinate.

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