Certain medications, especially nervous system drugs, can cause insomnia, with risks varying by age and gender.
February 2026 in “Colloids and Surfaces A Physicochemical and Engineering Aspects” JAK inhibitors can enter the skin through hair follicles using a unique pathway.
February 2026 in “iScience” Hair metal analysis may help diagnose Parkinson's disease and suggests gut involvement.
January 2026 in “Pharmaceutical Medicine” January 2026 in “International Journal of Molecular Sciences” Lifestyle changes and environmental strategies can help address declining testosterone levels.
December 2025 in “Advanced Healthcare Materials” The Spherical Skin Model improves drug and cosmetic testing by accurately mimicking human skin for efficient compound screening.
November 2025 in “Journal of Clinical Medicine” The drinkable supplement reduced hair shedding and increased hair growth in women.
November 2025 in “Medicina” Alopecia areata may be linked to changes in body fat but not to heart or artery issues.
Using Arabidopsis thaliana to produce KGF-2 is a promising, cost-effective method for hair growth and wound healing products.
April 2025 in “Journal of the International Society of Sports Nutrition” Creatine does not cause hair loss.
January 2025 in “International Journal of Research and Innovation in Applied Science” Dry shampoo is a convenient, eco-friendly option that cleans and nourishes hair without water.
August 2024 in “Applied Sciences” Plant extracts may help prevent or reverse hair graying.
May 2024 in “The journal of investigative dermatology/Journal of investigative dermatology” Applying DMG-Na to the skin increases blood flow and may help with skin conditions.
May 2024 in “Frontiers in Nutrition” Turning food waste into useful products is key for a sustainable economy.
January 2024 in “Metabolites” Standardized procedures are crucial for collecting and preparing biological samples to ensure accurate clinical metabolomics results.
Autophagy helps activate hair stem cells and hair growth by changing their energy use to glycolysis.
December 2023 in “Asian journal of beauty & cosmetology”
December 2023 in “Journal of Cosmetic Dermatology” The hair growth product was effective and safe, increasing hair growth, thickness, and density while reducing hair fall.
January 2018 in “Journal of human virology & retrovirology” Lifestyle drugs are mainly used by wealthy people in India but could spread to others, affecting society and youth.
Topical finasteride may better target hair follicles without significant benefits over oral form.
114 citations
,
January 2007 in “International Journal of Dermatology” Caffeine can stimulate hair growth and counteract testosterone's suppressive effects on hair follicles.
93 citations
,
January 2007 in “Skin Pharmacology and Physiology” Caffeine in shampoo quickly enters the body through hair follicles.
82 citations
,
May 2009 in “BJCP. British journal of clinical pharmacology/British journal of clinical pharmacology” Caffeine penetrates human skin in lab tests similarly to real-life conditions, but actual skin use is still essential for accurate results.
60 citations
,
May 2014 in “British Journal of Dermatology” Caffeine affects hair growth and health differently in men and women.
35 citations
,
June 2017 in “Pharmaceutical research” Researchers developed a model that shows hair follicles increase skin absorption of caffeine by 20%.
26 citations
,
December 2009 in “Laser Physics” Caffeine from shampoo penetrates hair follicles quickly and stays for at least 24 hours.
24 citations
,
February 2007 in “Laser Physics Letters” Caffeine shampoo penetrates hair follicles deeply and stays for up to 48 hours.
21 citations
,
September 1966 in “Toxicology and Applied Pharmacology” Caffeine becomes more toxic in rats when food intake is reduced by over 50%.
15 citations
,
June 1996 in “Journal of Pharmacy and Pharmacology” Caffeine levels in hair and blood can indicate liver health.
10 citations
,
July 2021 in “European journal of pharmaceutics and biopharmaceutics” Nanoparticles sized between 470 and 750 nm are best for delivering substances like caffeine into hair follicles for absorption.