90 citations
,
July 2014 in “Conservation Physiology” Hair cortisol levels in brown bears can be affected by both long-term and short-term stress.
17 citations
,
May 2007 in “Forensic Science Medicine and Pathology” Clozapine levels in hair reflect dosage and bind more to pigmented hair.
October 2025 in “Journal of Veterinary Diagnostic Investigation” Black hair in cats has higher cortisol levels than white hair.
20 citations
,
January 2019 in “Toxicology Reports” Dunaliella salina microalgae is safe to eat and may boost health.
18 citations
,
February 2023 in “Plants” Purple glutinous rice extracts can help whiten skin and reduce aging signs.
4 citations
,
May 2024 in “Biomolecules” Zinc and copper levels may affect erectile dysfunction by influencing hormone levels.
2 citations
,
January 2016 in “Advanced biomedical research” The hair wax with propolis and Eruca sativa seed oil promotes hair growth effectively.
1 citations
,
February 2023 in “Plants” BB4CMU rice bran oil may help treat hair loss and gray hair.
November 2025 in “Journal of Neonatal Surgery” Herbal hair oil formulations A4 and A5 effectively promote hair growth and stability.
July 2024 in “International Journal of Molecular Sciences” Nannochloropsis salina fermented oil may help treat hair loss by promoting hair growth and reducing oxidative stress.
May 2024 in “International Journal For Multidisciplinary Research” The herbal hair cream helps protect and improve hair health.
November 2023 in “International journal of biology, pharmacy and allied sciences” Herbal treatments can help with hair problems, but more research is needed.
August 2023 in “International journal of research in Ayurveda and pharmacy” Garudan Kizhangu Ennai may effectively treat alopecia areata but needs more research to confirm its safety and effectiveness.
November 2022 in “Cosmetics” Red pigmented rice, like Sang-Yod rice, could help promote hair growth and prevent hair loss.
157 citations
,
June 2015 in “Psychoneuroendocrinology” Hair cortisol and cortisone levels increase with age, are higher in diabetics, vary by gender, decrease with frequent hair washing, and are lower in winter.
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.
19 citations
,
August 2022 in “Forensic Science International Genetics” The model accurately predicts age from saliva and buccal cells for forensic use.
3 citations
,
November 2021 in “Stress” Girls had higher stress hormone levels during school due to social and emotional issues, while boys had higher overall hormone levels with slight changes when school started.
1 citations
,
November 2022 in “Nutrients” Hair glucocorticoid levels and gut bacteria are linked to growth rates in piglets.
January 2026 in “International Journal of Molecular Sciences” Hemp's compounds can be used in natural insecticides, cosmetics, and food supplements.
10 citations
,
September 2019 in “Frontiers in Veterinary Science” Older steers have higher hair cortisol levels than younger steers.
January 2025 in “Scientific Reports” Hair analysis can show changes in vitamin D levels over time.
August 2021 in “Asian Journal of Pharmaceutical and Clinical Research” Plant extracts in shampoo improved hair thickness and density in men with hair loss.
July 2025 in “Agroindustrial Technology Journal” The 2% rosemary oil shampoo was the best overall.
A balanced diet is crucial for normalizing hormone levels and managing obesity-related issues.
November 2024 in “Plants” Et-BB3-CMU rice bran extract may be a promising natural option for promoting hair growth and preventing hair loss.
7 citations
,
January 2022 in “Plants” Rice husk and bran extracts from the Bue Bang 3 CMU variety can potentially treat hair loss due to their antioxidant, anti-inflammatory, and anti-androgenic properties.
21 citations
,
January 2020 in “Pharmaceutical Biology” Salvia plebeia extract can stimulate hair growth.
January 2022 in “Buletin penelitian tanaman rempah dan obat/Bulletin komunikasi penelitian tanaman rempah dan obat” The 3% bidara leaf extract hair tonic was most effective for hair growth.
12 citations
,
December 2020 in “Comprehensive psychoneuroendocrinology” Hormone levels in hair change during pregnancy, with progesterone increasing significantly compared to non-pregnant women.