Researchers Developed Stevioside-Based Hair Growth Patch
A new microneedle patch using Stevia-derived molecules outperformed conventional minoxidil solutions in animal testing.
Updated on Oct. 13, 2026 in Nutrition
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On October 9, 2025, researchers reported the development of a stevioside-based dissolving microneedle patch designed to improve the delivery of the hair growth medication minoxidil. The study showed that the patch significantly increased drug solubility and retention in skin samples compared to traditional methods.
Why it matters
By overcoming the poor water solubility of minoxidil, this technology aims to improve the potency and efficacy of existing hair loss treatments. The researchers sought to create a more efficient delivery mechanism to replace less effective topical solutions.
The stevioside-based patch increased minoxidil water solubility 18-fold and retained 18% of the drug in skin samples, compared to 8.4% for standard solutions. The patch utilizes a 10x10 array of dissolving pyramid-shaped needles.
The players
Advanced Healthcare Materials
This is a peer-reviewed scientific journal that publishes research on biomedical materials and their clinical applications.
The details
Stevioside, a natural glycoside from the Stevia plant, encapsulates minoxidil molecules into self-assembled spherical structures. The dissolving microneedles penetrate the outer skin layer to create channels for more effective drug absorption.
Timeline
Steviol glycosides were approved as EU food additives in 2011.
The original research was published on October 9, 2025.
A clinical trial on microneedling was published in May 2026.
The article was updated on October 13, 2026.
Health Landscape
This research follows the ongoing evolution of dissolving microneedle delivery systems, which aim to replace traditional topical creams with more precise transdermal technology. The development positions this stevioside-based method as a potential alternative to conventional chemical delivery systems.
Current users of hair loss treatments may eventually see more potent topical applications as this technology moves toward human testing. However, until clinical trials confirm human efficacy, there is no change to current over-the-counter treatment options or medical routines.
The takeaway
While the mouse study demonstrates a significant leap in drug retention and hair coverage compared to standard solutions, these findings are experimental. Patients should continue relying on established medical treatments while researchers pursue the necessary human clinical trials.
Further reading
Learn more about the latest innovations in Nutrition science.
Source note: This article includes information reported by ZME Science.
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