7 citations,
January 1981 in “Springer eBooks” Certain small molecules and polymers can change hair's physical properties and how it feels by affecting the bonds within the hair.
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.
July 2022 in “Research Square (Research Square)” Hair analysis can somewhat track past testosterone levels but is influenced by factors like hair washing, growth rate, sex, and hair color.
1 citations,
December 2021 in “International journal of research in dermatology” Dermatologists should learn more about shampoos to better treat hair and scalp issues.
February 2025 in “Journal of Forensic Sciences” Sonication washing reduces nuclei in hair roots, affecting DNA extraction.
June 2014 in “Toxicologie analytique et clinique/Annales de toxicologie analytique” Older age increases positive hair alcohol test results, and chest hair is a good alternative for testing; season affects results, with higher levels in winter.
4 citations,
January 2021 in “Skin appendage disorders” Washing hair daily is better and preferred, with no negative effects.
4 citations,
November 2017 in “Journal of Cosmetic Dermatology” Certain polymers can stick to hair and increase volume, working best at a pH of 7 to 9.
2 citations,
December 2015 in “International Journal of Dermatology” Washing test helps identify hair loss type, low iron levels significant.
6 citations,
February 1974 in “The BMJ” The document concludes that scalp disorders can be treated with hair washing, specific shampoos, medications, and sometimes surgery or hair transplants, but hereditary baldness is untreatable.
36 citations,
December 2016 in “Journal of The American Academy of Dermatology” The normal range for the hair pull test is 2 hairs or fewer, and washing or brushing hair before the test does not affect the results.
1 citations,
January 2021 in “SSRN Electronic Journal” Nanomaterials can make hair care products work better and safer.
September 2023 in “Scientific reports” Segmental hair analysis can track testosterone over time but needs adjustments for sex, hair color, and washing frequency.
38 citations,
September 2006 in “Journal of Dermatological Science” Ketoconazole lotion can improve hair regrowth for some people with androgenetic alopecia.
1 citations,
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.
5 citations,
February 2022 in “Acta Biomaterialia” Nanomaterials can improve hair care products and treatments, including hair loss and alopecia, by enhancing stability and safety, and allowing controlled release of compounds, but their safety in cosmetics needs more understanding.
7 citations,
October 2016 in “Dermatologic Therapy” About 40% of women without hair loss and 60% with hair loss experience a lot of hair shedding, especially those under 50 with long hair.
January 1997 in “Elsevier eBooks” The document explains how shampoos clean, rinses condition, one-step shampoos offer convenience, and hair growth promoters aim to prevent hair loss, emphasizing the importance of scientific evidence for their effectiveness.
January 2022 in “Journal of Cosmetics, Dermatological Sciences and Applications” The serum increased hair density and was well-tolerated, but didn't affect hair thickness or shedding.
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.
12 citations,
August 2013 in “Facial Plastic Surgery Clinics of North America” Hair transplantation is the only permanent solution for female pattern hair loss and can greatly improve quality of life with careful planning.
May 2017 in “Journal of microscopy and ultrastructure” Water quality affects mineral content in hair, and coconut oil can protect against damage.
51 citations,
March 2001 in “Clinics in dermatology” Bleaching damages hair, making it rougher and weaker.
COVID-19 may be linked to hair loss called Telogen Effluvium, affecting quality of life and self-esteem.
1 citations,
March 2020 in “Current Science” Most people in the surveyed area experience hair loss, but they are not aware of the role of diet, iron, hormones, genetics, and possibly water quality in causing it.
October 2022 in “Linköping University medical dissertations” The method shows hair testosterone levels reflect those in saliva, but are affected by various factors and may indicate a risk for heart attack.
The pare fruit hair mask effectively reduces hair loss and dandruff.
7 citations,
May 2021 in “Applied sciences” Proteins like BSA and keratin can effectively style hair and protect it, offering eco-friendly alternatives to chemical products.
59 citations,
August 2010 in “Journal of The American Academy of Dermatology” Certain hairstyles and less hair oil use in African American girls can lead to scalp conditions like traction alopecia and seborrheic dermatitis.
32 citations,
April 2015 in “British Journal of Dermatology” The hair shedding scale accurately identifies abnormal hair shedding in women with long hair, with grades 5 and 6 indicating excessive shedding.