Hair can't be as strong as Rapunzel's because it's impractical to scale up due to defects.
11 citations
,
January 2025 in “Regenerative Therapy” Tissue-engineered scaffolds help heal difficult wounds by supporting cell growth and repair.
467 citations
,
May 1999 in “Molecular Cell” Activating c-Myc in skin causes rapid cell growth and changes, but these effects are reversible.
235 citations
,
July 1999 in “Journal of biological chemistry/The Journal of biological chemistry” Human hair is made up of different keratins, some strong and some weak, with specific types appearing at various stages of hair growth.
73 citations
,
October 2013 in “International Journal of Cosmetic Science” Chemical hair straightening can damage hair and health, needing safer alternatives and stricter regulations.
30 citations
,
February 2022 in “Pharmaceutics” 3D bioprinting improves wound healing by precisely creating scaffolds with living cells and biomaterials, but faces challenges like resolution and speed.
2 citations
,
March 2025 in “Nanoenergy Advances” Bioelectronic nanogenerators show promise for cancer treatment but need better understanding and development.
1 citations
,
April 2023 in “International journal of molecular sciences” Certain skin proteins can form anchoring structures without the protein AMACO.
1 citations
,
July 2025 in “The Open Dermatology Journal” Tissue engineering in cosmetics offers safer, more effective products and ethical alternatives to animal testing.
December 2025 in “Cosmetics” The bio-based complex effectively repairs and protects chemically damaged hair.
February 2025 in “Animals” Understanding proteins in skin structures like claws and hair is crucial for future research.
September 2023 in “Membranes” 3D-printed membranes with smart sensors can greatly improve tissue healing and have many medical applications.
KRTAP6 genes affect wool quality 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.
70 citations
,
June 1998 in “Polymer” Permanent waving damages hair by disrupting its keratin structure.
21 citations
,
June 2002 in “International Journal of Cosmetic Science” Advancements in hair keratin research could lead to better hair health treatments.
11 citations
,
January 1977 in “Archives of dermatological research” Mouse tail skin has different keratinization near hair follicles and scales.
3 citations
,
January 2007 in “Journal of health science” The enzymatic method can effectively identify chemical treatments on hair.
1 citations
,
January 1997 in “Skin Pharmacology and Physiology” Premature infants have less elastic hair than full-term infants.
January 2007 in “Sen'i Gakkaishi” Mf-rich hair degrades more than Ma-rich hair, especially with Proteinase K.
November 2024 in “Biophysical Chemistry” Hair structure changes immediately during perm treatment, with initial damage partially restored later.
July 2016 in “Indian journal of science and technology” Neonate scalp hair is thinner, lacks a medulla, and has smaller follicles compared to adult hair.
January 2013 in “Sen'i Gakkaishi” Microfibrils are key for permanent waves, and hydrolyzed keratin improves wave formation and hair condition.
85 citations
,
October 2007 in “International Journal of Dermatology” Curly hair shape is due to uneven growth patterns in the hair follicle.
30 citations
,
April 2009 in “Mycoses” Microsporum gypseum fungus breaks down keratin in hair by digesting it enzymatically, starting with less keratinized parts.
20 citations
,
January 1997 in “Dermatology” The patient with EEC syndrome had scarring alopecia due to deep folliculitis, possibly linked to abnormal hair structure.
3 citations
,
January 1998 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Hair keratins are mainly on macrofibrils in the cortex and in the endocuticle in the cuticle.
1 citations
,
June 2023 in “Journal of applied crystallography” The technique showed that human hair has two main parts, with 68% being rigid and the rest flexible, and water swelling affects its structure.
1 citations
,
August 2015 in “PubMed” Human hair's strength comes from a honeycomb-like structure and macrofibrils.
Oxidized hair can naturally regain strength and stability over six months.