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Glossary In Vivo Studies

experiments conducted within living organisms

In vivo studies refer to experiments conducted within a living organism, such as a human, animal, or plant. These studies are crucial for understanding biological processes in their natural context, allowing researchers to observe the effects of treatments, drugs, or genetic modifications in a complex, real-life environment.

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research In-Vivo Study on the Hair Growth-Enhancing Effects of CTUMP’s Herb Shampoo

December 2024 in “Tropical Journal of Natural Product Research”

This study observed that CTUMP's Herb shampoo significantly improved hair growth and density in mice compared to a saline solution, though it was less effective than minoxidil in promoting follicle development.

research In vivo Study of the Effect of 5 and 10% Nebivolol Cream on Hair Growth in Mice Models

June 2022 in “International journal of drug delivery technology”

This study investigated the hair growth-promoting effect of topical nebivolol cream in mice, but the abstract does not provide specific results or conclusions.

research In vivo differentiation of scarring alopecia using line‐field confocal optical coherence tomography: a pilot study

1 citations , January 2026 in “JDDG Journal der Deutschen Dermatologischen Gesellschaft”

In this study, LC-OCT was used to distinguish between subtypes of scarring alopecia, laying the groundwork for further hypotheses and future research in larger and longitudinal studies to examine treatment responses.

research Effect of Hyaluronic Acid and Poly-L-Lactic Acid Dermal Fillers on Collagen Synthesis: An in vitro and in vivo Study

34 citations , September 2020 in “Clinical, cosmetic and investigational dermatology”

This research found that hyaluronic acid increased cell proliferation and type I collagen more effectively than poly-L-lactic acid in both human fibroblast cultures and rat dermis.

research In-vitro and in-vivo study of dye diffusion into the human skin and hair follicles

9 citations , November 2000 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE”

This study demonstrated that dyeing can enhance the absorption coefficient of hair follicle tissues for selective photodestruction within human skin and hair follicles.

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community Read about a recent study on the effects of Agerarin on ex-vivo hair bulbs and...

4 upvotes 2 months ago

The user started using Agerin cream on their scalp and noticed some hair growth, despite not applying it consistently. They also use Minoxidil, RU58841, dutasteride, and finasteride, and have seborrheic dermatitis.

community Why hasn’t anybody or any company done experiments on whether minoxidil and finasteride have effects on human collagen and elastin after a year of use compared to placebo? (In vivo not vitro)

6 upvotes 7 months ago

The conversation discusses the lack of in vivo studies on the effects of minoxidil and finasteride on human collagen and elastin after a year of use. It highlights the potential benefits of such research for understanding side effects and improving sales, despite challenges like cost and competition.

community Surprisingly thorough study on He-Shou-Wu/Fo Ti

13 upvotes 3 years ago

He Shou Wu (Fo Ti) extract was found to prolong the hair growth phase, inhibit 5-alpha-reductase (like finasteride), reduce androgen receptors, and increase growth factors, potentially outperforming minoxidil in recovering hair follicle size after DHT exposure. Two compounds, emodin and TSG, are identified as responsible for these effects and warrant further investigation.

community Latest study on RU58841 done 19. August 2026.

25 upvotes 3 weeks ago

RU58841 can be absorbed systemically after topical application, but the study did not find immediate hormonal disruption. The study highlights the need for more research on long-term safety and effects of RU58841, as well as the importance of quality control in products from the grey market.

community Study on Sugar Intake on Male Pattern Hair Loss

19 upvotes 3 years ago

Excessive sugar and high-fat diets are linked to male pattern hair loss, with sweet beverages being a significant factor. Moderation in diet is advised, as diet alone may not fully prevent hair loss due to other factors like DHT sensitivity.

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