April 2026 in “Portuguese Journal of Dermatology and Venereology” COVID-19 and its vaccines can cause various skin issues due to viral effects, immune responses, and stress.
March 2017 in “InTech eBooks” Acne vulgaris is a common skin condition that can cause low self-esteem and depression, and early treatment is important to prevent scarring.
January 2009 in “Springer eBooks” The document concludes that managing skin conditions during pregnancy is important and requires specialized care.
September 1983 in “Journal of The American Academy of Dermatology” Experts discussed hair care, genetic hair defects, hair loss treatments, nail surgery, lupus treatments, skin infections, and cosmetic allergies.
9 citations
,
April 2019 in “Journal of Structural Biology” Keratin fibers in hair twist left-handed.
January 2002 in “Linchuang pifuke zazhi” A young woman had a rare scalp tumor usually found in older women.
20 citations
,
September 2004 in “Journal of Anatomy” The inner root sheath evolved to help hair grow safely through the skin in mammals.
February 2026 in “International Journal of Biological Macromolecules” Keratin from waste hair and feathers can be sustainably used to create stable emulsions for industrial applications.
3 citations
,
August 2022 in “Molecules/Molecules online/Molecules annual” A new strain of bacteria from the human skin can help prevent hair loss.
353 citations
,
November 2014 in “Molecular immunology” Porcine skin is very similar to human skin, making it a useful model for research.
70 citations
,
June 1998 in “Polymer” Permanent waving damages hair by disrupting its keratin structure.
25 citations
,
November 2012 in “Thermochimica Acta” Internal lipids in keratin fibers, like wool and hair, reduce water absorption and release.
11 citations
,
April 2022 in “Biophysical Journal” Disulfide bonds in keratin fibers break more easily under stress, especially when wet, affecting fiber strength.
10 citations
,
January 2012 in “International Journal of Cosmetic Science” Thioglycolic acid mainly affects the unordered areas in hair structure.
March 2026 in “Journal of the mechanical behavior of biomedical materials/Journal of mechanical behavior of biomedical materials” Hair cuticles remain stable and resilient under stress due to strong protein content and crosslinking.
February 2025 in “International Journal of Cosmetic Science” Protein carbonylation is a sensitive marker for oxidative damage in hair, especially from light exposure.
November 2024 in “Biophysical Chemistry” Hair structure changes immediately during perm treatment, with initial damage partially restored later.
May 2024 in “Proteome science” Bleaching damages hair by reducing the quality of keratin and keratin-associated proteins.
25 citations
,
August 2017 in “Frontiers in Zoology” Marine mammals lost many α-keratin genes, aiding their adaptation to aquatic life by becoming hairless.
226 citations
,
May 2004 in “Journal of Biological Chemistry” Collagen XXII is a marker for tissue junctions, aiding in structural integrity and found in muscles, heart, skin, and arthritic joints.
135 citations
,
October 1997 in “Journal of biological chemistry/The Journal of biological chemistry” Trichohyalin is modified by enzymes to form strong structures in hair cells.
62 citations
,
December 2008 in “Journal of structural biology” Hair curvature in Japanese people is linked to specific cell types and filament arrangements in the hair cortex.
52 citations
,
April 2012 in “Journal of Investigative Dermatology” KRTAP2 genes are crucial for hair structure and may impact hair disorders and treatments.
21 citations
,
March 2021 in “Molecules” The new formulation greatly improved quercetin absorption in rats.
20 citations
,
December 2012 in “Journal of molecular structure” The study found that thioglycolic acid breaks down hair bonds more consistently than l-cysteine, which is less damaging to hair.
14 citations
,
April 2023 in “International Journal of Molecular Sciences” The hydrogel significantly speeds up skin wound healing.
7 citations
,
August 2025 in “Journal of Nanobiotechnology” Bioengineered microneedles and nanomedicine offer promising, precise treatments for tissue regeneration.
7 citations
,
January 2022 in “Bioengineering” The formulation with oleic acid may be better for treating male pattern baldness.
4 citations
,
July 2020 in “Journal of proteomics” Hair protein composition is similar across different races and shapes.
3 citations
,
July 2023 in “Acta Biomaterialia” PepACS offers a safer, eco-friendly way to perm, dye, and repair hair.