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A sweet fix for baldness? Stevia compound boosts hair growth
- Date:
- Source:
- Wiley
- Summary:
- Researchers discovered that stevioside, a compound from the Stevia plant, enhances the skin absorption of minoxidil, the main treatment for pattern baldness. In mice, a stevioside-infused patch boosted hair follicle activity and new hair growth. The approach could pave the way for more natural, effective hair loss therapies.
FULL STORY
Androgenetic alopecia, also known as male pattern baldness or female pattern hair loss, is one of the most widespread causes of hair thinning in both men and women. While topical minoxidil is an approved therapy, its limited ability to dissolve in water and penetrate the skin reduces its effectiveness. Researchers reporting in Advanced Healthcare Materials have found that stevioside, a natural sweetener extracted from the Stevia plant, can help improve how well the drug is absorbed through the skin.
In tests using a mouse model of alopecia, a dissolvable patch containing both stevioside and minoxidil successfully stimulated hair follicles to re-enter the growth phase, which resulted in the development of new hair.
"Using stevioside to enhance minoxidil delivery represents a promising step toward more effective and natural treatments for hair loss, potentially benefiting millions worldwide," said co-corresponding author Lifeng Kang, PhD, of the University of Sydney, in Australia.
Androgenetic alopecia develops gradually over time and is influenced by both genetic and hormonal factors. The condition occurs when hair follicles become increasingly sensitive to dihydrotestosterone (DHT), a hormone derived from testosterone. This sensitivity causes the follicles to shrink, leading to shorter and finer strands of hair until growth eventually stops. Although the pattern and progression differ between men and women, the biological mechanism is similar.
Currently, treatment options are limited, with minoxidil being one of the few widely approved topical therapies. Minoxidil works by widening blood vessels and increasing blood flow around hair follicles, which can extend the growth phase of the hair cycle and stimulate new strands to develop. However, because the drug does not easily pass through the outer layer of skin and dissolves poorly in water, its full potential is often not realized. Patients must apply it consistently for several months before seeing results, and even then, the response varies from person to person.
This challenge has driven researchers to explore new ways of improving how minoxidil is delivered to the scalp. Enhancing the drug’s skin permeability could make treatments more efficient, reduce application frequency, and possibly lower side effects related to overuse. The discovery that stevioside can act as a natural absorption enhancer offers a new direction for scientists seeking to improve both the safety and effectiveness of hair loss therapies.
Story Source:
Materials[1] provided by Wiley. Note: Content may be edited for style and length.
Journal Reference:
- Junying Zhang, Tianyu Shao, Hailiang Li, Luying Zhu, Lamyaa Albakr, Nial J. Wheate, Lifeng Kang, Chungyong Wu. Natural Sweetener Stevioside‐Based Dissolving Microneedles Solubilize Minoxidil for the Treatment of Androgenic Alopecia. Advanced Healthcare Materials, 2025; DOI: 10.1002/adhm.202503575[2]
Cite This Page:
Wiley. "A sweet fix for baldness? Stevia compound boosts hair growth." ScienceDaily. ScienceDaily, 10 October 2025. <www.sciencedaily.com
Wiley. (2025, October 10). A sweet fix for baldness? Stevia compound boosts hair growth. ScienceDaily. Retrieved October 10, 2025 from www.sciencedaily.com
Wiley. "A sweet fix for baldness? Stevia compound boosts hair growth." ScienceDaily. www.sciencedaily.com
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