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Caffeine penetrates human skin in lab tests similarly to real-life conditions, but actual skin use is still essential for accurate results.

The method effectively detects banned substances in urine for sports antidoping.

Researchers developed a model that shows hair follicles increase skin absorption of caffeine by 20%.

Newborns' hair shows how much caffeine their mothers drank during pregnancy.

Chitosan nanoparticles are promising for sustained caffeine delivery through the skin.

Finasteride breakdown products found in bile and urine, helps understand drug safety and effectiveness.

The study found that urine metabolites M1b or M4 are the best indicators of ATD use in horses, with detection possible up to 77 hours in urine and 28 hours in blood.

Special nanoparticles increased skin absorption of hair loss treatments with fewer side effects.

The conclusion is that a new method can measure caffeine and drugs in hair, finding caffeine abusers have 70 times more caffeine than normal, with a proposed cut-off value for abuse.

The new shampoo effectively delivers caffeine to hair follicles to help keep hair, especially as people age.

The topical treatment with caffeine and Procapil 3% improved male pattern hair loss and was well tolerated after 12 weeks.

Caffeine hair tonic with 0.001% concentration was more effective in promoting hair growth on guinea pigs.

Caffeine, niacinamide, and panthenol may improve hair growth, fullness, and healing when applied to the scalp.

Hair follicles greatly increase caffeine absorption through the skin shortly after it's applied.

Nanocrystals improve skin penetration and stability of caffeine, suggesting a new method for delivering similar substances through the skin.

A new hair treatment with caffeine and other ingredients makes hair thicker and less likely to break.

Hair stiffness increased by 13.2% after caffeine treatment, validating the Stiffness-Angle Law as an effective measurement method.

The combination of azelaic acid, minoxidil, and caffeine significantly increased the survival of skin flaps by affecting certain body channels and nitric oxide levels.

Caffeine intake during pregnancy and lactation can cause skin lesions in mother rats and their babies, not linked to cortisol levels.

Coffee and tea might help hair growth in balding individuals, but side effects and alternative uses are being considered.

Some herbs and their components might help treat hair loss by affecting various biological pathways, but more research and regulation are needed.

Herbal products might promote hair growth with fewer side effects, but more research is needed to confirm their safety and effectiveness.

Researchers developed a method to measure drugs in hair follicles and found that both water-loving and fat-loving drugs can be detected after being applied to the skin.

Rubbing skin increases absorption of water-soluble drugs from lotions and creams, but not oil-soluble drugs.

Cosmetic foam product reduces hair loss and increases hair density in men.

The congress showed advancements in skin hydration, barrier function, and safe, effective new cosmetic formulations.

IPM enhances skin penetration of hydrophilic drugs.

Optimized formulations with specific ingredients can significantly improve skin delivery of topical drugs.

Transfollicular drug delivery can improve medication absorption through hair follicles.

Ethosomes improve black tea extract absorption in hair dye.