248 citations
,
April 1988 in “Differentiation” Human and bovine hair follicles have distinct cytokeratins specific to hair-forming cells.
March 2026 in “International Journal of Molecular Sciences” Grateloupia angusta extract helps heal wounds faster and improve skin repair.
5 citations
,
May 2022 in “Biomedicines” Botryococcus terribilis and its compounds may promote hair growth and improve hair health.
5 citations
,
February 2005 in “Journal of the American Academy of Dermatology” Focal palmoplantar callosities may help diagnose non-Herlitz junctional epidermolysis bullosa.
13 citations
,
April 2018 in “Scientific Reports” The genes KRT25 and SP6 affect curly hair in horses, with KRT25 also causing hair loss. If both genes are mutated, the horse gets curly hair and hair loss. KRT25 can hide the effect of SP6.
3 citations
,
January 2023 in “Science advances” The enzymes Tet2 and Tet3 are important for skin cell development and hair growth.
84 citations
,
April 2015 in “Cosmetics” Hair dyes vary in how long they last and how deeply they penetrate hair.
12 citations
,
August 2015 in “Experimental Dermatology” The mineralocorticoid receptor temporarily affects mouse skin development, but the glucocorticoid receptor has a more lasting impact.
May 2002 in “Journal of Investigative Dermatology” New findings on hair keratin, wound healing, and skin blistering were presented.
IRS-specific genes in Tan sheep hair follicles peak at birth and may affect wool crimp.
August 2024 in “Cosmetics” K18® and Olaplex® both effectively repair bleached hair, improving its strength, smoothness, and overall health.
2 citations
,
July 2021 in “Genes” A specific genetic change in the KRT71 gene causes a hair loss condition in Hereford cattle.
The KRT84 gene is linked to better wool quality in Gansu Alpine Fine-wool sheep.
3 citations
,
January 2020 in “The journal of investigative dermatology/Journal of investigative dermatology” Skin cells from people with Epidermolysis Bullosa Simplex have abnormally placed and less active mitochondria.
November 2024 in “Journal of Functional Foods” AP collagen peptides improve hair elasticity and gloss.
11 citations
,
March 2004 in “Journal of Comparative Pathology” Norfolk Terriers have a genetic skin defect causing scaling and blisters due to a keratin issue.
6 citations
,
October 2009 in “Veterinary Dermatology” Canine claws have complex structures with different keratin types, similar to hair and nails.
November 2025 in “Journal of Investigative Dermatology” AMP-303 injections can increase hair growth in androgenetic alopecia with minimal side effects.
2 citations
,
May 2022 in “International journal of molecular sciences” Changes in KRT17 gene activity linked to wool production in Angora rabbits.
148 citations
,
September 2003 in “Journal of Investigative Dermatology Symposium Proceedings” Alopecia areata is an autoimmune disorder causing hair loss, linked to specific hair follicle antigens and genetic factors.
November 2025 in “Cosmetics” Rice germ oil improves hair health, but adding ferulic acid offers limited benefits and may worsen chemically damaged hair.
97 citations
,
March 2006 in “Journal of Investigative Dermatology” Mutations in the DSG4 gene cause a severe form of brittle hair and skin issues.
176 citations
,
January 2013 in “Proceedings of the National Academy of Sciences” BMP and Wnt signaling balance controls hair follicle stem cell activity and hair growth.
90 citations
,
August 2004 in “Physiological Genomics” Dermal papilla cells help skin stem cells grow into hair.
39 citations
,
February 1990 in “The journal of cell biology/The Journal of cell biology” Trichohyalin, a hair follicle protein, has a part with repeating patterns of 23 amino acids.
18 citations
,
June 2018 in “Journal of Dental Research” Msx2 is essential for proper enamel formation by preventing abnormal cell transformation.
13 citations
,
July 2019 in “PLoS ONE” Deleting podoplanin in mice promotes hair growth by enhancing cell migration.
January 2023 in “Karger Kompass. Dermatologie” Scientists are still unsure what triggers the immune system to attack hair follicles in Alopecia areata.
36 citations
,
December 2021 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” Two drugs, ritlecitinib and brepocitinib, improved scalp hair loss condition markers.
September 2024 in “Heliyon” Repeated hair dyeing significantly damages hair.