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In this review, the authors summarize the phytochemistry, pharmacology, and medicinal uses of Hibiscus rosa sinensis, highlighting its various benefits such as hypotensive and anti-inflammatory effects, while noting the need for more research on its specific mechanisms and potential toxicities.

In this study, methanolic extracts of Hibiscus rosa-sinensis showed higher phenolic and flavonoid content, as well as greater concentrations of gallic acid and quercetin, than aqueous extracts, despite the latter yielding more extract, highlighting the effectiveness of methanol for extracting bioactive phytochemicals.

This study found that the petroleum ether extract from the leaves of Hibiscus rosa-sinensis demonstrated more effectiveness in promoting hair growth in rats compared to the extract from its flowers.

This study found a strong correlation between antioxidant activity and phenolic content in rosemary, influenced by bioclimatic and seasonal factors in different stages of Tunisia.

This study reviews the medicinal uses of Catharanthus roseus, highlighting its production of valuable anticancer alkaloids like vincristine and vinblastine, and its applications in treating diabetes, hypertension, and infections, but also notes potential side effects such as nausea and myelosuppression, especially at high doses.

Rosemary extracts, specifically compounds like rosmarinic acid and carnosic acid, can protect hair from UV damage.

This study found that the ethyl acetate fraction of Hibiscus rosa sinensis petals significantly reduced serum glucose and glycated hemoglobin levels in diabetic rats, showing effects comparable to the standard drug metformin.

This review compiles evidence indicating that rosemary essential oil may enhance cognitive function, sleep quality, mood, and pain management in aromatherapy; however, it also notes potential allergic reactions, emphasizing caution in its use.

This study explores the potential of rosemary oil for stimulating hair growth, focusing on developing ROS-loaded microsponges to enhance its permeability for topical application, but results are not reported.

In this study, researchers used a network pharmacology approach to highlight significant interactions between compounds in rosemary (Salvia rosmarinus) and genes related to functional dyspepsia, suggesting potential pathways for developing treatments against gastrointestinal diseases.

This study compared the antioxidant and antidiabetic activities of Hibiscus rosa-sinensis leaf extract and Eclipta alba bark extract, finding that Hibiscus rosa-sinensis exhibited greater antidiabetic activity, whereas Eclipta alba demonstrated stronger antioxidant activity.

This study found that a hydro-alcoholic extract of Roselle petals may reduce free radical production during UV-induced photodecomposition of antibiotics, potentially offering protective benefits for patients using similar topical antibiotics.

This review highlights the potential of herbal hair oil prepared with rosemary and black sesame for scalp health, hair strength, and appearance, emphasizing their antioxidant and nourishing benefits as a natural alternative to chemical formulations.

This study describes the development of a polyherbal hair growth serum using rosemary and fenugreek extracts, which demonstrated stable physicochemical properties, suggesting its potential as a cosmeceutical product for managing hair loss and promoting scalp health.

In this study, rosemary extracts (essential oil, hydrolate, and alcoholic extract) significantly stimulated hair growth in male mice compared to distilled water and even to commercial minoxidil, with rosemary groups showing statistically superior results on hair length.

This study demonstrated that several botanical extracts possess antioxidant properties, reducing oxidative stress and lipid oxidation in scalp treatments, with rosemary extract showing potential to improve scalp condition in a 4-week consumer trial.

This study found that ethanolic leaves extract of Hibiscus rosa-sinensis L. exhibited strong antioxidant activity and enhanced wound healing properties in mice, showing reasonable safety in toxicological evaluations without severe alterations.

The researchers reported that a hydroalcoholic extract of Hibiscus Rosa Sinensis flowers was more effective than glibenclamide in reducing blood sugar levels in alloxan-induced diabetic rabbits, and demonstrated superior antioxidative and lipid-lowering effects, suggesting potential as an alternative antidiabetic treatment.

This study observed that a herbal product containing Rosa multiflora roots significantly increased hair density and thickness in patients over 16 weeks, suggesting potential for hair growth promotion and hair loss prevention.

This study reports that a plant extract from Orobanche rapum can stimulate skin rejuvenation and protect cutaneous microbiota, potentially creating healthier skin.

In this study, Rosa multiflora root extracts showed strong antioxidant activity and promoted expression of growth factors IGF1 and PDGFB, suggesting potential use as a natural hair growth agent.

This study found that the ethyl acetate fraction of Hibiscus rosa sinensis petals significantly reduced serum glucose and glycated hemoglobin levels in diabetic rats, with effects comparable to metformin.

In this study, Hibiscus rosa-sinensis extract was used to formulate and evaluate herbal cosmetic creams for their antioxidant properties, stability, and effectiveness. The formulations demonstrated strong antioxidant potential, stability under various conditions, and favorable cosmetic qualities, suggesting HRS as a beneficial ingredient in skincare products.

This study describes developing a polyherbal hair growth serum with rosemary and fenugreek extracts, which met physicochemical standards and may serve as a stable and compatible option for managing hair loss and promoting scalp health.

This study found that topical geranium rose oil accelerated hair regrowth and promoted hair follicle elongation in a shaving animal model of C57BL/6 mice.

This study reported that rosemary is widely used among Jordanians for various purposes, such as improving hair condition and addressing gastrointestinal issues, with younger participants showing higher knowledge about its benefits and uses.

Results are not reported in this source about the effects of rosemary hair serum on hair health, but the research question centers on its potential to promote hair growth and scalp health through regular application and its antioxidant and antimicrobial properties.

The researchers found that plant extracts from Papaver rhoeas L., Clitoria ternatea L., and Carthamus tinctorius L. are effective natural cosmetic dyes, offering intense and stable colors without cytotoxicity.

This study formulated and evaluated a Hibiscus rosa-sinensis herbal gel, identifying a 20% concentration as superior in physical properties, suggesting its potential as an alternative drug delivery system.

This study reported that the aqueous root extract of Hibiscus rosa sinesis significantly reduced inflammation in carrageenan-induced paw edema in swiss albino rats.