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research Different keratin polypeptides in epidermis and other epithelia of human skin: a specific cytokeratin of molecular weight 46,000 in epithelia of the pilosebaceous tract and basal cell epitheliomas.

277 citations , October 1982 in “The Journal of Cell Biology”

This study found that the cytokeratin patterns in skin epithelia can distinguish between different types, with basal-cell epitheliomas showing a striking similarity to the pilosebaceous tract.

research The complement of native α-keratin polypeptides of hair-forming cells: A subset of eight polypeptides that differ from epithelial cytokeratins

198 citations , October 1986 in “Differentiation”

research KERATINS AND SKIN DISORDERS

28 citations , April 1996 in “Cell biology international”

This review discusses changes in keratin structure or gene expression that result in various skin disorders and reports no new clinical findings.

research Electrophoretic analysis of human hair keratins

4 citations , December 1995 in “Anthropologischer Anzeiger”

This study reports that electrophoretic patterns of hair keratins are more similar among family members than unrelated individuals, potentially aiding genetic studies.

research Interaction of polypeptides with hair in different reducing environments

January 2026 in “International Journal of Biological Macromolecules”

This study found that different polypeptides, including KP peptide and hydrolyzed keratin, can improve the mechanical properties of damaged hair under varying conditions, with reduction environments and cysteine content influencing their effectiveness.

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Learn

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learn sh-Polypeptide-7

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 Biotinoyl tripeptide 1

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Community Join

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community Keratin fibers vs. Gossypium Herbaceum Hair fibers

1 upvotes 2 years ago

The conversation is about comparing keratin hair fibers to Gossypium Herbaceum hair fibers for diffuse hair loss. The user prefers keratin fibers for their durability and is seeking a bulk purchase option.

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 Is keratin fusion bond good alternative to clip on hair patch for diffused thinners

4 upvotes 3 years ago

Keratin fusion bonds are discussed as an alternative to clip-on hair patches for men with diffused thinning. The conversation explores different styling options for hair loss.

community Let's talk keratin products and hair loss

2 upvotes 11 months ago

OP is considering using a keratin gel to improve hair quality and is concerned about its safety and visual impact on a slightly balding crown. Users discuss shampoo frequency, with some suggesting less frequent use for better hair health, but OP prefers regular shampoo and conditioner for silky hair.

community Is Biotin or Keratin shampoo better for hair health/growth

6 upvotes 2 years ago

Biotin and Keratin shampoos are discussed for hair health and growth. Users suggest shampoos alone don't significantly aid hair growth.

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Clinics

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