5 citations
,
July 2022 in “International Journal of Health Sciences” The herbal hair tonic effectively fights fungi and bacteria and has good texture and balance.
April 2011 in “ISRN Dermatology (Print)” The wigs made from human hair and polypropylene were mostly well-tolerated and durable in rabbits, suggesting they could be a new option for people with extensive hair loss.
January 2025 in “Epsilon Archive for Student Projects (University of Southampton)” Mange and orf are present in some goat herds in Zambia, but more research is needed.
37 citations
,
October 2015 in “PeerJ” Perming significantly changes hair's molecular structure, while shampoo and conditioner do not.
July 2023 in “Drug testing and analysis (Print)” Homemade hair treatments can significantly lower drug levels in hair, possibly causing false-negative drug tests.
34 citations
,
December 2009 in “Journal of the American Academy of Dermatology” Improper use of ceramic flat irons can cause severe hair damage.
9 citations
,
July 2022 in “Journal of Cosmetic Dermatology” The ammonia-free hair dye is safe and improves hair shine, color, moisture, porosity, and combability.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The serum helps make hair thicker, stronger, and healthier.
April 2026 in “Zenodo (CERN European Organization for Nuclear Research)” The serum promotes thicker, stronger, and healthier hair.
34 citations
,
January 2011 in “Annals of dermatology/Annals of Dermatology” Using a hair dryer at 15 cm with continuous motion causes less damage than natural drying.
12 citations
,
January 2013 in “Acta Histochemica” Junctional proteins stabilize the inner root sheath and connect the companion layer in human hair.
3 citations
,
January 2018 in “Skin Appendage Disorders” Nail issues are common in alopecia areata patients.
June 2025 in “International Journal of Cosmetic Science” Keratin-encapsulated liposomes effectively repair and protect UV-damaged hair.
20 citations
,
July 2006 in “Annals of Anatomy - Anatomischer Anzeiger” The 15th-century Korean mummy's hair was well-preserved due to a protective lime-soil coating.
July 2024 in “International journal of agriculture and food sciences research.” The new fish peptide conditioner significantly improves and repairs damaged hair better than a commercial wheat protein conditioner.
November 2023 in “BMC women's health” Older age and specific haircare practices increase the risk of traction alopecia, and education on these factors could help prevent it.
9 citations
,
August 2021 in “Journal of clinical medicine” Pili torti is a rare condition where hair is twisted and breaks easily, often linked to genetic disorders or other health issues.
Hair can't be as strong as Rapunzel's because it's impractical to scale up due to defects.
356 citations
,
December 1986 in “The journal of cell biology/The Journal of cell biology” Hair and nail cells share similar proteins, indicating a common differentiation pathway.
60 citations
,
March 2006 in “Journal of Medical Genetics” A mutation in the KRTHB5 gene causes hair and nail issues.
44 citations
,
August 1990 in “PubMed” Keratins K1 and K10 are found in the inner root sheath and cuticle of human hair follicles.
27 citations
,
February 1991 Cuticle damage doesn't affect hair's tensile strength; the cortex is responsible for it.
20 citations
,
January 2015 in “Journal of cosmetic dermatology” Older people's hair cuticles get more easily damaged and lose protective oils, especially in their 40s and 50s.
15 citations
,
January 1998 Frequent blow-drying causes cracks and breakage in hair cuticles.
11 citations
,
January 1981 in “Cells Tissues Organs” Human hair cuticle has five cell layers with specific junctions and granules.
8 citations
,
March 2018 in “Cosmetics” UV radiation damages hair by creating holes and peeling cuticle layers.
3 citations
,
January 2015 in “Mathematical problems in engineering” Hair damage increases significantly with higher temperatures and longer heating times.
3 citations
,
July 2003 in “PubMed” The research found a way to measure hair surface changes by analyzing how light reflects off of it, and determined hair cuticle angles vary by hair length and color.
1 citations
,
October 2017 in “ecancermedicalscience” Breast cancer alters specific molecular structures in hair, which revert after cancer removal.
1 citations
,
November 2023 in “Cosmetics” Surfactants damage hair, but sealing the cuticle can prevent this.