March 2023 in “Journal of skin and stem cell” Trichoscopy is a good, quick, non-invasive way to diagnose different types of hair loss.
69 citations
,
March 2003 in “Journal of Experimental Botany” Sodium chloride slows root hair growth by altering calcium levels, not pH.
66 citations
,
June 2004 in “Biophysical Journal” Hard α-keratin in hair has a unique, nonordered structure, different from other fibers.
56 citations
,
March 2017 in “Plant and Cell Physiology” Light sheet fluorescence microscopy effectively measures calcium changes in Arabidopsis root hairs.
30 citations
,
October 2020 in “Frontiers in Plant Science” Combined arsenic and low oxygen stress alters root growth to help plants absorb nutrients.
25 citations
,
May 2019 in “Cosmetics” 18-MEA and cationic surfactants can restore and maintain hair's hydrophobic nature, improving its beauty and feel.
7 citations
,
December 2024 in “Journal of Functional Biomaterials” Advanced platelet-rich fibrin improves healing and reduces pain in oral surgery.
2 citations
,
July 2023 in “Cosmetics” Surfactants in shampoos and conditioners remove some but not all lipids from hair, and more research is needed to understand their full impact.
2 citations
,
November 2019 in “BMC urology” The junction of the inner and outer prepuce with good blood flow is ideal for surgical flaps.
1 citations
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January 2018 in “Journal of microscopy and ultrastructure” The method can identify minerals in hair from water, and using coconut oil or conditioner can prevent mineral buildup.
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.
April 2025 in “Pharmaceuticals” APA is a promising new compound for repairing damaged hair, outperforming Olaplex® in strength and elasticity.
November 2024 in “Journal of Microscopy” Human hair varies in structure based on curl type, with high curl hair showing the most differences.
November 2024 in “Journal of Functional Foods” AP collagen peptides improve hair elasticity and gloss.
December 2023 in “Animals” The study mapped yak skin cells to understand hair growth better.
January 2022 in “Sustainable development goals series” The document concludes that significant investment in agricultural innovation is necessary to achieve global food security and nutrition.
69 citations
,
May 2016 in “General and Comparative Endocrinology” External factors can significantly affect hair cortisol levels, so it's not always a reliable stress marker.
64 citations
,
April 1972 in “American Journal of Clinical Nutrition” Hair chromium levels reflect nutritional status after standard washing.
61 citations
,
June 2018 in “Proceedings of the National Academy of Sciences of the United States of America” Light can turn on hair growth cells through a nerve path starting in the eyes.
16 citations
,
April 2016 in “PLoS ONE” Negative pressure treatment improved skin thickness, blood vessel growth, and hair growth.
15 citations
,
January 2008 in “Annales de Toxicologie Analytique” Hair test results can be misleading due to contamination, so they shouldn't be used alone to determine drug use.
7 citations
,
March 2019 in “Journal of cosmetic dermatology” African hair has the most lipids, while Caucasian hair is more hydrated and stronger.
5 citations
,
January 2024 in “Reproductive Medicine and Biology” Androgen and Wnt signals are crucial for developing and functioning male genitalia and erectile tissues.
1 citations
,
March 2014 in “Journal of Innovative Optical Health Sciences” Hair structure worsens as tumors grow in mice.
1 citations
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November 2004 in “International Journal of Cosmetic Science” External agents penetrate skin more easily in areas with fewer lipids, especially through hair follicles.
June 2025 in “Universal library of medical and health sciences.” External factors like pollution, stress, and poor nutrition can negatively affect hair growth.
August 2024 in “Bioorganic Chemistry” Cedrol from ginger can promote hair growth when taken orally.
December 2023 in “Medicine” Platelet-rich gel is a simpler, cheaper, and painless option for scalp defects, but tissue expansion offers better hair growth despite more pain.
April 2018 in “Journal of Investigative Dermatology” Light can activate hair growth through a pathway from the eyes to hair follicles.
December 2017 in “Journal of Medical Science And clinical Research” The PCOS questionnaire is valid for Indian women, but metformin doesn't significantly improve symptoms beyond oral contraceptives.