3 citations
,
September 2016 in “Clinical, cosmetic and investigational dermatology” Sphinganine can reduce hair loss and improve scalp health.
May 2025 in “Journal of Photochemistry and Photobiology B Biology” Blue LED light improves hair treatments for Caucasian and Asian hair but not for African hair.
68 citations
,
August 2014 in “PeerJ” Human hair proteins vary by individual, body site, and ethnicity, useful for forensics.
14 citations
,
November 2012 in “SLAS discovery” Some herbal extracts can promote hair growth and prevent hair loss.
3 citations
,
September 2021 in “Data in brief” Bleaching hair changes its structure and weakens it, which is important for understanding hair damage and creating treatments.
August 2025 in “Journal of Applied Pharmaceutical Research” F4 and F6 hair gels showed promise for improving hair care but need more testing.
9 citations
,
March 2022 in “Antioxidants” Synthetic antioxidants are effective, cheap, and stable, with some like zinc and cholecalciferol reducing child and cancer deaths, but the safety of additives like BHA, BHT, TBHQ, and PEG needs more research.
47 citations
,
June 2015 in “Contact Dermatitis” A standardized patch test for hair cosmetics is needed in Europe to prevent allergies, especially for hairdressers.
13 citations
,
September 2020 in “Sensors” Hair follicles have a pH gradient, increasing towards the root.
11 citations
,
January 2023 in “BioMed Research International” Microbial biosurfactants could be a safer and environmentally friendly alternative to chemical surfactants in cosmetics.
Coreopsis tinctoria Nutt. extract can effectively dye hair yellow or dark brown with good wash durability.
26 citations
,
March 2020 in “Antioxidants” Microwave-assisted Opuntia humifusa extract protects skin cells from pollution damage.
8 citations
,
May 2023 in “Gels” Chitosan hydrogels are promising for repairing blood vessels but need improvements in strength and compatibility.
6 citations
,
May 2022 in “Frontiers in Microbiology” Marine microbes could be used in cosmetics for sun protection, skin care, and possibly preventing hair loss.
July 2024 in “Current Pharmaceutical Design” Biodegradable polymers help wounds heal faster.
56 citations
,
October 1983 in “Archives of Dermatology” Some women with acne have higher levels of free testosterone, which might suggest using hormonal treatments for acne.
1 citations
,
January 2016 in “Journal of Microbial & Biochemical Technology” The Free Androgen Index (FAI) is the best indicator of early hair loss in men before age 30.
4 citations
,
November 2018 in “Journal of Pharmaceutical and Biomedical Analysis” Roselle flower extracts can protect against free radical damage in UV-irradiated antibiotics.
February 2025 in “East African Scholars Journal of Medical Sciences” Higher testosterone and DHEA-S levels may be linked to male pattern baldness.
January 2015 in “Turkiye Klinikleri Journal of Endocrinology” PCOS patients with autoimmune thyroid disease have lower DHEAS levels.
September 2008 in “Fertility and Sterility” Free fatty acids may increase androgen production, potentially contributing to polycystic ovary syndrome.
August 2022 in “International journal of membrane science and technology” Finasteride diffuses spontaneously through SDS micelles, suggesting they can replace living cell membranes.
71 citations
,
January 2014 in “Journal of Proteome Research” Women with PCOS have different levels of certain fats and proteins in their blood, which could help diagnose the condition.
491 citations
,
July 2000 in “The Journal of Clinical Endocrinology and Metabolism” Polycystic ovary syndrome is found in 6.5% of unselected Caucasian women in Spain.
298 citations
,
July 2000 in “The Journal of Clinical Endocrinology and Metabolism” About 6.5% of young Caucasian women in Spain have polycystic ovary syndrome.
118 citations
,
February 2009 in “Fertility and Sterility” Most women with PCOS have high levels of male hormones, and free testosterone is the best marker for this.
77 citations
,
June 2006 in “Best Practice & Research Clinical Endocrinology & Metabolism” The document concludes that accurate measurement of serum androgens is crucial for diagnosing hyperandrogenism.
66 citations
,
November 2001 in “European journal of endocrinology” Low SHBG and high FAI, FT, and DHEAS levels are effective in identifying PCOS.
56 citations
,
October 2018 in “Journal of The American Academy of Dermatology” Androgens play a complex role in skin conditions like acne and hair loss in women, and normal blood levels don't always show true androgen status.
47 citations
,
June 2016 in “JAMA Dermatology” Men with early hair loss have similar hormone levels to women with PCOS, possibly increasing risk of obesity and heart issues.