7 citations
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December 2022 in “Plants” This study suggests that guava leaf extract may inhibit hair loss by downregulating genes involved in androgen synthesis, potentially offering a natural alternative for treating androgenetic alopecia.
June 2026 in “International Journal of Research Publication and Reviews” This study aimed to develop a herbal anti-dandruff shampoo using guava leaves extract and aloe vera gel, which may be safer and more effective for dandruff treatment than chemical-based alternatives, and evaluated it on various parameters including pH, viscosity, and antifungal activity.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” In this study, researchers developed an herbal hair serum using extracts from guava leaf, onion peel, and neem leaves, finding it improved scalp health, reduced hair breakage, and enhanced hair texture, suggesting potential as a plant-based alternative for hair care.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study found that an herbal hair serum containing extracts of guava leaf, onion peel, and neem leaves improved scalp health, reduced hair breakage, and enhanced hair texture, suggesting potential as an effective alternative to synthetic hair products.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This review highlights the diverse pharmacological properties and applications of guava leaves, attributing their effectiveness to a rich phytochemical composition and modern extraction techniques, suggesting their potential as natural therapeutic agents across pharmaceutical, nutraceutical, and cosmeceutical fields.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This review explores the significant potential of guava leaves as a source of natural therapeutic agents, noting their rich phytochemical content and diverse pharmacological properties, such as antioxidant and anti-inflammatory effects, which may support their application in pharmaceutical, nutraceutical, and cosmeceutical industries.
November 2025 in “Journal of English Language and Education” In this study, researchers found that a hair tonic formulated with 2% guava leaf extract demonstrated strong consumer acceptance and safe physicochemical characteristics among university students, showing potential as a natural alternative for reducing hair loss.
September 2025 in “International Journal for Research in Applied Science and Engineering Technology” This paper discusses the potential benefits of incorporating guava leaf extracts into skincare, hair care, and oral care products, highlighting their antibacterial, antioxidant, and acne-treating properties, as well as their possible effects on dandruff removal and hair loss reduction.
1 citations
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April 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” This study is the first to document alopecia in Guadalupe fur seals in the Northeast Pacific Ocean, finding that it may result from nutritional stress due to higher sea surface temperatures.
July 2026 in “Functional Foods in Health and Disease” In this study, oral administration of strawberry guava extract promoted hair growth in both mice and humans, with active components like adenosine, fructose, digalactosyldiacylglycerol, and pedunculagin contributing by enhancing skin blood flow and activating dermal papilla cells.
April 2026 in “Frontiers in Marine Science” This study investigated neonatal mortality and health threats to Guadalupe fur seals in Mexico's San Benito Archipelago, finding a 29.52% mortality rate largely due to trauma and emaciation/infectious disease, with high rates of alopecia syndrome and entanglement linked to marine debris, primarily from local sources.
2 citations
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December 1988 in “PubMed” This study concluded that there was clear evidence of carcinogenic activity of C.I. Acid Orange 3 in female F344/N rats but not in male rats or B6C3F1 mice of either sex.
3 citations
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January 2017 in “International journal of research - granthaalayah” In this study, thirty participants applied a paste made from Elaeocarpus serratus and Psidium guajava leaves on their scalps, resulting in significant improvements in dandruff symptoms, with over 40% achieving complete remission and no adverse effects reported.
3 citations
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October 2018 in “International Journal of Green Pharmacy” This study suggested that an herbal shampoo containing Piper betle and Psidium guajava leaves extract may promote hair growth due to its antioxidant properties and showed stability for two months.
1 citations
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January 2017 in “Zenodo (CERN European Organization for Nuclear Research)” In this study, the researchers found that a paste made from Elaeocarpus serratus and Psidium guajava leaves significantly reduced dandruff symptoms, with more than 40% of patients experiencing complete remission and 30% showing marked improvement, without any adverse reactions during the one-month treatment period.
August 2026 in “World Journal of Pharmaceutical Research” This study explored the development and evaluation of a tablet-form herbal shampoo formulated with natural ingredients like Shikakai, Reetha, and Amla, which reportedly enhance hair shine, growth, and root strength without side effects, offering an environmentally friendly alternative to conventional shampoos.
August 2026 in “World Journal of Pharmaceutical Research” This study explored the creation and assessment of a tablet-form herbal shampoo made with natural ingredients such as Shikakai, Reetha, and Amla, reportedly improving hair shine, growth, and strength of roots without side effects, offering an eco-friendly alternative to conventional shampoos.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study developed a natural hair serum using rice and guava leaf extracts, evaluating its composition and properties for improving hair quality, reducing hair fall, and nourishing the scalp, though specific results are not detailed in the abstract.
November 2025 in “International Journal of Advanced Biochemistry Research” This study found that intercropping Bhringraj with Psidium guajava benefited from organic nutrient sources, with the best growth parameters achieved using 100% Mahua cake, enhancing plant height, leaf count, branch number, and collar diameter by releasing nutrients effectively.
January 2022 in “Journal of pharmacognosy and phytochemistry” This study found that a polyherbal gel made from guava leaves, amla, and aloe is effective against candidiasis on the skin, with additional benefits of nourishing hair and preventing premature graying.
May 2019 in “International journal of advanced chemistry” In this study, researchers formulated a green depilatory cream from natural extracts like turmeric and aloe vera, finding it reduced hair growth by 25% in mice without causing skin irritation, suggesting it may be safer than conventional options.
August 2026 in “International Journal of Allied Medical Sciences and Clinical Research” In this study, a hair serum containing guava leaf, chia seeds, peppermint oil, and alkanet root showed potential benefits for hair care, including antioxidant, anti-microbial, and conditioning properties.
June 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This study focused on developing a phytoextract-based hair serum from rice and guava leaf extracts, designed to improve hair quality and scalp health. The formulations were evaluated for their biochemical properties and stability, emphasizing natural ingredients to address hair care needs.
January 2026 in “Journal of Burn Care & Research” This study found that a sericin-based hydrogel containing Psidium guajava L. extract significantly improved healing of full-thickness burn wounds in mice, with 89.66% wound closure by day 15 compared to 37.16% in controls, and exhibited beneficial effects on inflammation and oxidative stress markers.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” In this study, researchers developed a natural herbal shampoo using extracts from plants like amla and aloe vera, demonstrating effective hair and scalp cleansing, good foaming capacity, and eco-friendliness, aligning with consumer demand for sustainable personal care products.
December 2025 in “Zenodo (CERN European Organization for Nuclear Research)” In this study, researchers developed a natural herbal shampoo using ingredients like amla and aloe vera, finding it effectively cleans hair and scalp, promotes hair growth, and meets eco-friendly personal care product demands, without synthetic additives.
January 2025 in “International Journal of Herbal Medicine” This review highlights that while dandruff affects over 50% of humans and cannot be fully eradicated, it can be controlled through chemical treatments that may cause side effects or herbal remedies such as Neem and Tea tree oil, which have longstanding use in hair care.
January 2024 in “International Journal of Pharmaceutical Research and Development” This study explored the development of herbal hair gels using natural extracts like flaxseed and guava leaves, targeting the reduction of dandruff and regulation of hair loss through antimicrobial and anti-inflammatory properties, though specific results of efficacy are not reported.
December 2022 in “The Journal of Multidisciplinary Research” The researchers formulated a polyherbal hair gel using extracts from guava leaves, amla, and aloe, and reported its effectiveness against candidiasis, as well as its benefits in nourishing hair and preventing premature graying.
June 2022 in “International Journal for Research in Applied Science and Engineering Technology” The research developed a herbal shampoo using extracts from Piper Betel and Psidium Guajava leaves, which showed potential in promoting hair growth and managing hair diseases, while replacing synthetic ingredients with safe natural alternatives.