research Effect of Surfactant Type on the Dyeability and Color Resistance of Semi-Permanent Basic Hair Dye
Cationic and nonionic surfactants provide better color intensity and resistance for semi-permanent hair dye than anionic surfactants.
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research Omega 3 Fatty Acid-Enriched Nanoemulsion of Thiocolchicoside for Transdermal Delivery: Formulation, Characterization, and Absorption Studies
The new formulation improved the skin absorption of the drug Thiocolchicoside.
research Development of a Two-Dimensional Model for Predicting Transdermal Permeation with the Follicular Pathway: Demonstration with a Caffeine Study
Researchers developed a model that shows hair follicles increase skin absorption of caffeine by 20%.
research Transdermal Permeation of Drugs in Various Animal Species
Pig skin is a good substitute for human skin to measure drug absorption, but differences in skin structure and enzymes across species must be considered.
research Skin Permeation of Curcumin Nanocrystals: Effect of Particle Size, Delivery Vehicles, and Permeation Enhancer
Smaller curcumin nanocrystals penetrate skin better, but additives and particle size affect absorption and accumulation.
research Influence of Chemical Permeation Enhancers on the In Vitro Skin Permeation of Minoxidil Through Excised Rat Skin: A Mechanistic Study
Urea, eucalyptus oil, and menthol improve minoxidil skin absorption.
research Determination of Free Chemical Potential for Finasteride Diffusion Through SDS Micelle Suggested as Alternative Living Membrane System
Finasteride diffuses spontaneously through SDS micelles, suggesting they can replace living cell membranes.
research Development and Validation of UV Spectrophotometric Method for the Estimation of Finasteride Drug
A reliable UV method was created to measure finasteride accurately.
research A Compartmental Model of Uranium in Human Hair for Protracted Ingestion of Natural Uranium in Drinking Water
The model helps predict uranium levels in human hair from drinking contaminated water, offering an alternative to urine tests.
research UV Spectrophotometric Method for Simultaneous Determination of Finasteride and Tamsulosin in Combined Dosage Form
Researchers developed a quick and accurate method to measure finasteride and tamsulosin in tablets.
research Influence of Environmental Factors on Androgenic Alopecia Occurrence
Environmental factors and grain products affect hair loss, with low cobalt in hair possibly predicting the condition.
research Determination of Solute Diffusion Properties in Artificial Sebum
Diffusion in artificial sebum is mainly influenced by molecular size and is much faster than in skin lipids.
research Absorption Sites of Orally Administered Drugs in the Small Intestine
Different factors affect where drugs are absorbed in the small intestine, which is important for effective medication use.
research Apocrine Sweat Gland Obstruction by Antiperspirants Allowing Transdermal Absorption of Cutaneous Generated Hormones and Pheromones as a Link to the Observed Incidence Rates of Breast and Prostate Cancer in the 20th Century
The document suggests that blocking sweat glands with antiperspirants might allow skin-generated hormones to be absorbed, possibly increasing breast and prostate cancer risk.
research The Role of Tight Junctions in Skin Barrier Function and Dermal Absorption
Tight junctions are key for skin protection and controlling what gets absorbed or passes through the skin.
research Relationship Between Contact Time of Applied Dose and Percutaneous Absorption of Minoxidil From a Topical Solution
Longer contact time increases minoxidil absorption, but doesn't affect metabolism.
research Enhancement of Percutaneous Absorption of Finasteride by Cosolvents, Cosurfactant, and Surfactants
Transcutol P best increases Finasteride absorption for hair loss treatment.
research Topical Absorption and Systemic Toxicity
Some chemicals absorbed through the skin can cause serious health problems.
research Influence of Tretinoin on the Percutaneous Absorption of Minoxidil from an Aqueous Topical Solution
Tretinoin cream boosts minoxidil absorption, possibly improving hair loss treatment.
research Squalene-Containing Nanostructured Lipid Carriers Promote Percutaneous Absorption and Hair Follicle Targeting of Diphencyprone for Treating Alopecia Areata
Squalene-based carriers improve delivery of a treatment to hair follicles for alopecia areata.
research In Vivo Investigation in Pigs of Intestinal Absorption, Hepatobiliary Disposition, and Metabolism of the 5α-Reductase Inhibitor Finasteride and the Effects of Coadministered Ketoconazole
Ketoconazole increases finasteride's effectiveness and lifespan in the body.
research Mycorrhiza-Induced Changes in Root Growth and Nutrient Absorption of Tea Plants
AMF inoculation boosts tea plant growth and nutrient absorption.
research Nanoporous Silica Entrapped Lipid-Drug Complexes for the Solubilization and Absorption Enhancement of Poorly Soluble Drugs
Nanoporous silica entrapped lipid-drug complexes significantly improve the solubility and absorption of drugs that don't dissolve well in water.
research Original Research—Endocrinology: Comparison of the Steady-State Pharmacokinetics, Metabolism, and Variability of a Transdermal Testosterone Patch Versus a Transdermal Testosterone Gel in Hypogonadal Men
The testosterone patch and gel are both effective, but they have different absorption patterns and effects on hormone levels.
research Development of Optimized Self-Nanoemulsifying Lyophilized Tablets to Improve Finasteride Clinical Pharmacokinetic Behavior
Improved tablets lead to faster, better drug absorption for hair loss treatment.
research Lecithin Organogels as a Potential Phospholipid-Structured System for Topical Drug Delivery: A Review
Lecithin organogels could be good for applying drugs to the skin because they are stable, safe, and can improve drug absorption.
research Hair Follicles Contribute Significantly to Penetration Through Human Skin Only Shortly After Application as a Solvent Deposited Solid in Humans
Hair follicles greatly increase caffeine absorption through the skin shortly after it's applied.
research The Role of Paracellular Transport in the Intestinal Absorption and Biopharmaceutical Characterization of Minoxidil
Minoxidil's absorption is too variable for it to be a reliable reference drug.
research Transdermal Film-Loaded Finasteride Microplates to Enhance Drug Skin Permeation: Two-Step Optimization Study
Optimized film improves finasteride skin absorption and treatment efficiency.
research Enhanced Skin Permeation of 5α-Reductase Inhibitors Entrapped into Surface-Modified Liquid Crystalline Nanoparticles
Special nanoparticles increased skin absorption of hair loss treatments with fewer side effects.