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Glossary Drug Penetration

process of a drug moving into underlying tissues or bloodstream

Drug penetration refers to the process by which a drug moves from the surface of the skin or another barrier into the underlying tissues or bloodstream. This is crucial for topical treatments, such as creams or ointments, to be effective. Factors like the drug's molecular size, formulation, and the condition of the skin can influence how well a drug penetrates.

Related Terms

Research

5 / 1000+ results

research The penetration efficiency of a dissolved model drug into hair follicles depends on the concentration of added nanoparticles

7 citations , October 2024 in “Drug Delivery and Translational Research”

In this study, using an ex vivo porcine skin model, researchers found that a 4% nanoparticle concentration significantly enhanced the transport of fluorescein sodium into hair follicles compared to a 2% concentration, while higher concentrations did not further increase penetration depth.

research 144 Evaluation of contamination and quantification of drug penetrations studies using Quantitative Mass Spectrometry Imaging

September 2017 in “Journal of Investigative Dermatology”

QMSI effectively maps and quantifies drug distribution in skin tissues.

Evaluation of Contamination and Quantification of Drug Penetration Studies Using Quantitative Mass Spectrometry Imaging

research 686 Evaluation of contamination and quantification of drug penetrations studies using Quantitative Mass Spectrometry Imaging

April 2017 in “The journal of investigative dermatology/Journal of investigative dermatology”

This study found that Quantitative Mass Spectrometry Imaging offers precise localization and quantification of active compounds in skin tissues, demonstrating benefits over traditional LC-MS in drug penetration studies.

Comparison of Rheological Properties, Follicular Penetration, Drug Release, and Permeation Behavior of a Novel Topical Drug Delivery System and a Conventional Cream

research Comparison of rheological properties, follicular penetration, drug release, and permeation behavior of a novel topical drug delivery system and a conventional cream

34 citations , October 2014 in “European journal of pharmaceutics and biopharmaceutics”

This study found that adapalene-loaded solid lipid microparticles may enhance targeted drug delivery into sebum due to their similarity to sebum components, although both this formulation and a standard cream showed equivalent follicular penetration.

Penetration Enhancer-Containing Vesicles as Carriers for Cutaneous Delivery of Minoxidil: In Vitro Evaluation of Drug Permeation by Infrared Spectroscopy

research Penetration enhancer-containing vesicles (PEVs) as carriers for cutaneous delivery of minoxidil:in vitroevaluation of drug permeation by infrared spectroscopy

26 citations , May 2012 in “Pharmaceutical Development and Technology”

PEVs effectively deliver minoxidil through skin.

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Community Join

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community Soundwaves & Electricity Grows Hair? | Peptide Delivery Model.

2 upvotes 2 years ago

Iontophoresis and sonophoresis can enhance drug delivery into the scalp. Combining these methods may improve the effectiveness of topical treatments like dutasteride and certain peptides.

community Nanoxidil Is Probably Better Than Minoxidil. Big Pharma Is Why You’ve Never Heard Of It.

6 months ago

Nanoxidil may be more effective than Minoxidil for hair loss due to better follicle penetration, but it lacks widespread recognition and research because it's owned by a small company and classified as a cosmetic. The pharmaceutical system favors Minoxidil due to its established market presence and profitability, leaving Nanoxidil largely unstudied and unknown.

community Keratin microspheres - breakthrough

14 upvotes 2 years ago

A gel of keratin microspheres promotes hair follicle growth, showing similar effectiveness to minoxidil in mice. The treatment activates hair growth pathways and reduces inflammation, with potential applications in drug delivery for hair-related disorders.

community Topical dutasteride significantly outperforms oral finasteride

in Research/Science 65 upvotes 11 months ago

Topical dutasteride 0.05% is reported to outperform oral finasteride with minimal side effects, but concerns about study bias exist due to company funding. Some users report mixed results with topical dutasteride, noting issues with skin penetration and systemic absorption.

community How is it possible for someone to be a non responder to ORAL minoxidil?

in Minoxidil 66 upvotes 2 years ago

Some individuals do not respond to oral minoxidil for hair loss, despite it generally working by improving blood flow to hair follicles. Factors like metabolism, drug interactions, and individual variations in the drug's activation may influence its effectiveness.

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