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Transdermal Drug Delivery Systems

Transdermal Drug Delivery Systems

Transdermal drug delivery systems (TDDS) enable the controlled release of drugs across the skin into systemic circulation. They are particularly advantageous for drugs with short half-lives or narrow therapeutic indices, as they maintain consistent plasma concentrations and reduce the risk of subtherapeutic or toxic levels.TDDS are categorized into monolithic, reservoir, and mixed systems. Monolithic systems embed the drug in a polymer matrix, where diffusion governs release. Reservoir systems...

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Related Experiment Video

Updated: Mar 16, 2026

Author Spotlight: Non-Surgical Treatment of Melasma– Microneedling with Tranexamic Acid

Author Spotlight: Non-Surgical Treatment of Melasma– Microneedling with Tranexamic Acid

Published on: January 19, 2024

Microneedle-based Transdermal Patch: A Novel Strategy for Hyperpigmentation Treatment.

Ayushi Yadav¹, Nakul Gupta¹, Md Sarfaraz Alam¹

¹IIMT College Of Pharmacy, Greater Noida, India.

Recent Advances in Drug Delivery and Formulation

|March 15, 2026

Summary

This summary is machine-generated.

Dissolving microneedle (DMN) patches offer a superior transdermal delivery system for hyperpigmentation treatment. These advanced patches effectively deliver skin-lightening agents, showing enhanced efficacy and safety compared to traditional methods.

Keywords:

Transdermal dermatological disorder.hyperpigmentation novel patch

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Area of Science:

Dermatology and Pharmaceutical Sciences
Advanced Drug Delivery Systems

Background:

Hyperpigmentation, caused by excess melanin, leads to skin discoloration and uneven tone.
Conventional treatments like topical creams and peels have limitations in efficacy and safety.
Transdermal drug delivery offers improved absorption and sustained release for dermatological conditions.

Purpose of the Study:

To review recent advancements in transdermal delivery for hyperpigmentation.
To focus on the potential of dissolving microneedle (DMN) patches for enhanced treatment.
To explore novel formulations and carriers for improved depigmentation.

Main Methods:

Investigation of DMN patches containing key depigmenting agents like niacinamide, glabridin, and tranexamic acid.
Analysis of clinical studies assessing the safety and efficacy of DMN patches.
Examination of novel polymeric formulations and emerging carriers like tetrahedral framework nucleic acids (tFNAs).

Main Results:

DMN patches demonstrated superior skin-lightening effects compared to traditional topical treatments.
Clinical studies confirmed the safety and efficacy of DMN patches in reducing melasma and post-inflammatory hyperpigmentation.
Novel formulations and multifunctional components significantly enhanced drug absorption, stability, and depigmentation efficacy.

Conclusions:

Dissolving microneedle patches represent a highly effective, non-invasive, and patient-friendly approach for hyperpigmentation treatment.
Advancements in transdermal technology, including DMNs and novel carriers, hold significant potential for transforming dermatological therapies.
Future research should focus on clinical expansion and formulation optimization for diverse skin types.