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GlossaryStratum Spinosum (spinous layer)

layer of the epidermis with spiny-shaped keratinocytes

The Stratum Spinosum, also known as the spinous layer or prickle cell layer, is a layer of the epidermis located just above the Stratum Basale. It consists of several layers of keratinocytes that are connected by desmosomes, which give the cells a spiny appearance under a microscope. This layer plays a crucial role in providing strength and flexibility to the skin.

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research Cornification in Reptilian Epidermis Occurs Through the Deposition of Keratin-Associated Beta-Proteins (Beta-Keratins) Onto a Scaffold of Intermediate Filament Keratins

33 citations , October 2012 in “Journal of Morphology”

Reptile skin hardens by layering beta-proteins on keratin.

research Ultrastructural Localization of Hair Keratin Homologs in the Claw of the Lizard Anolis Carolinensis

20 citations , December 2010 in “Journal of Morphology”

Lizard claws have hair-like keratins similar to those in mammals.

research Ultrastructural Immunolocalization of Involucrin in the Medulla and Inner Root Sheath of Human Hair

7 citations , December 2011 in “Annals of anatomy”

Involucrin helps strengthen the inner parts of human hair.

research Cosmetic Potential of Southeast Asian Herbs: An Overview

17 citations , February 2015 in “Phytochemistry Reviews”

Southeast Asian herbs show promise for skin and hair care, but more research is needed to confirm their effectiveness in cosmetics.

research Comprehensive Overview on the Problems of Hair and the Various Herbal Approaches to Treat Them

November 2023 in “International journal of biology, pharmacy and allied sciences”

Herbal treatments can help with hair problems, but more research is needed.

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community microneedle, any long term users damage?

in Microneedling 35 upvotes 1 year ago

Microneedling is effective for hair growth, especially when combined with finasteride and minoxidil, but concerns exist about potential long-term skin damage. Users report increased collagen and elastin deposition, but the long-term effects on the scalp remain uncertain.