15 citations
,
October 2004 in “Colloids and surfaces. B, Biointerfaces” Holes in mature hair are likely caused by the removal of substances during hair care.
10 citations
,
January 2010 in “International journal of trichology” Keratin-associated proteins are part of the developing hair fiber cuticle.
9 citations
,
April 2019 in “Journal of structural biology” Hair's internal fibers are arranged in a pattern that doesn't let much water in, and treatments like oils and heat change how much water hair can absorb.
1 citations
,
July 2011 in “The Egyptian Journal of Anatomy” Both TCA and GA peels effectively improved skin thickness and collagen without significant differences.
1 citations
,
September 2024 in “Animals” Specific gene variants affect wool traits in Chinese Tan sheep.
30 citations
,
April 2017 in “Journal of structural biology” Human hair keratin fibers have a detailed nano-scale structure that changes with different conditions.
KRTAP6 genes affect wool quality in sheep.
April 2021 in “Indian Journal of Animal Research” Goat skin has collagen, elastic, and reticular fibers, with hair follicles increasing in depth as goats age.
7 citations
,
July 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” Human skin can be reconnected to nerves using stem cells, which may help with skin health and healing.
5 citations
,
January 1988 Only two of the four keratin genes are expressed in wool fibers.
The KRT84 gene is linked to better wool quality in Gansu Alpine Fine-wool sheep.
3 citations
,
February 2019 in “Animal biotechnology” The PLP2 gene affects cashmere fiber quality in goats and is linked to hair growth and loss.
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.
16 citations
,
December 2006 in “Expert Review of Dermatology” Hair follicles are essential for skin health, aiding in hair growth, wound healing, and immune function.
20 citations
,
September 2018 in “Journal of colloid and interface science” Modified keratin binds better to hair, especially bleached hair.
6 citations
,
December 2018 in “International Journal of Cosmetic Science” Mexican women's hair is between Asian and Caucasian hair in thickness and shape, with varied strength and some damage.
2 citations
,
September 2022 in “Frontiers in genetics” Different proteins are linked to the varying thickness of sheep and goat hair types.
Human hair keratins can self-assemble and support cell growth, useful for biomedical applications.
42 citations
,
April 2008 in “Acta materialia” Different ethnicities and treatments affect human hair strength and structure.
12 citations
,
February 2006 in “Lipids” Hair texture changes with age due to varying levels of lipids.
4 citations
,
August 2014 in “Journal of molecular structure” Chemical treatments on bleached black hair change its internal structure by breaking and reforming bonds, and treatments with hydrolyzed eggwhite protein help repair it.
1 citations
,
October 2017 in “ecancermedicalscience” Breast cancer alters specific molecular structures in hair, which revert after cancer removal.
48 citations
,
July 1993 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth is controlled by specific gene clusters and proteins, and cysteine affects hair gene expression in sheep.
191 citations
,
November 1959 in “Annals of the New York Academy of Sciences” Hair and wool have complex microscopic structures with microfibrils and varying cystine content.
14 citations
,
April 2000 in “Animal Science/Animal science” Nutrients like vitamins, copper, zinc, and amino acids are crucial for healthy hair and wool growth.
January 2017 in “Clinical approaches and procedures in cosmetic dermatology” Cosmetic procedures can harm hair, but damage can be minimized with knowledge and care; however, once hair is damaged, it cannot be reliably repaired.
17 citations
,
June 2012 in “Journal of experimental zoology. Part B, Molecular and developmental evolution” Hair in mammals likely evolved from glandular structures, not scales.
59 citations
,
November 2015 in “International Journal of Cosmetic Science” Oxidative stress damages hair and contributes to aging, and managing it can help maintain hair health.
NaOH treatment improves hair strength and suitability for textiles.
May 2026 in “International Journal of Versatile Research and Analysis” Air wedge interferometry is a precise, cost-effective way to measure hair thickness.