January 2024 in “Journal of Natural Remedies” This study found that the petroleum ether extract of Solanum nigrum may promote hair regrowth in testosterone-induced hair loss in rats, as indicated by increased follicle density and anagen/telogen ratio.
January 2024 in “Figshare” This study concluded that an ointment containing pine turpentine oil, larch turpentine, and eucalyptus oil was an effective and safe treatment for folliculitis, showing improvement over placebo in lesion evolution, responder rate, and patient assessment.
This study found that Solanum nigrum L. extracts showed potential as 5 alpha-reductase inhibitors, similar to finasteride, and highlighted their promise for treating androgenic diseases like benign prostatic hyperplasia and male pattern hair loss.
January 2024 in “International Journal of Zoological Investigations” In this study, a herbal oil formulation containing extracts from Martynia annua and Helianthus annuus seeds showed greater potential for hair growth in albino mice compared to finasteride and minoxidil.
June 2023 in “International journal of pharmaceutical quality assurance” This study found that Eclipta alba extracts exhibit 5α-reductase inhibitory activity, with the methanolic extract showing a higher concentration of β-sitosterol compared to petroleum ether extract, indicating potential for treating androgenic conditions like male pattern baldness.
June 2023 in “Journal of Natural Remedies” This study found that the methanolic extract of Hibiscus rosa sinensis exhibits promising 5α-reductase inhibitory activity, suggesting its potential use in the treatment of androgenic conditions like male pattern hair loss and benign prostatic hyperplasia.
August 2021 in “Indian dermatology online journal” This study reported an unusual case of nail matrix involvement and trachyonychia in a child with juvenile pityriasis rubra pilaris, showing significant improvement with topical therapy and oral biotin.
January 2020 in “Archives of Pharmacy Practice” This study found that Hibiscus rosa-sinensis leaf extract promoted hair growth in rats more effectively than its flower extract, suggesting its potential as a natural alternative for hair growth treatments.
November 2019 in “Journal of Health and Allied Sciences” In this study, the petroleum ether extract of Maharanga bicolor and Hibiscus rosa sinensis in Aloe vera gel showed improved hair growth initiation and completion times in rats, suggesting potential hair growth-promoting activity.
May 2007 in “Hair transplant forum international” This abstract suggests that sun damage may thin scalp tissue, potentially affecting hair transplant outcomes due to increased risk of necrosis or poor growth.
January 1997 in “Medical Journal Armed Forces India” This study found that RADA-PRG hydrogels enhanced skin-derived precursor cell proliferation and improved hair follicle neogenesis in mice, suggesting potential use as a scaffold material in tissue engineering.
112 citations
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September 1968 in “PubMed” In this study, irreversible alopecia on the crown of the scalp in Black women using hot combs was associated with chronic inflammation and follicle damage leading to scarring.
107 citations
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September 1968 in “Archives of Dermatology” In this study, researchers identified a form of irreversible scalp alopecia in Black women using hot combs, characterized by incomplete hair loss primarily on the crown and follicular scarring.
104 citations
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March 1987 in “Journal of The American Academy of Dermatology” Minoxidil helps hair growth in 63.6% of alopecia patients, with 27.3% having excellent results.
45 citations
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August 1954 in “Experimental Biology and Medicine” This study found that vitamin A dissolved in alcohol penetrates skin quickly and does not impair hair growth, even in large doses, but it does not retard keratinization unlike when dissolved in fatty acids.
13 citations
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November 2012 in “Journal of The European Academy of Dermatology and Venereology” This study found that topical clobetasol propionate cream provided a modest improvement in hair regrowth for alopecia areata patients, though those with atopy had higher relapse rates after treatment completion.
4 citations
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October 2018 in “Skin appendage disorders” This article reviews the pros and cons of co-washing for hair cleansing and presents no new clinical results; the authors describe potential residue buildup as a drawback.
September 2010 in “Reactions Weekly” A woman was allergic to 5% minoxidil, with stronger reactions to higher concentrations.
June 1992 in “Inpharma Weekly” Patch testing with different solvents helps find the right minoxidil formulation for those with scalp allergies.
128 citations
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September 2003 in “Journal of Ethnopharmacology” 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.
63 citations
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August 2008 in “Journal of Cosmetic Dermatology” The researchers reported that the petroleum ether extract of Cuscuta reflexa may promote hair growth in testosterone-induced alopecia in mice by inhibiting the enzyme 5α-reductase.
19 citations
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July 1993 in “Journal of Applied Toxicology” This study found that various petroleum distillates caused significant skin changes in mice, with severity varying based on the product and penetration pathway, potentially leading to skin tumors through non-genotoxic mechanisms in longer-term exposure.
5 citations
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September 2009 in “Journal of Complementary and Integrative Medicine” This study found that the petroleum ether extract of Citrullus colocynthis fruit and an isolated steroidal compound may reduce prostatic hyperplasia in rats induced by testosterone, suggesting potential use in managing androgen-dependent conditions.
3 citations
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January 2016 in “Chemical sciences journal” This study found that ethanol and petroleum ether extracts of Tridax procumbens roots demonstrated significant antibacterial activity against various bacterial strains compared to benzene extracts.
14 citations
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September 1968 in “Archives of Dermatology” This study found that the use of hot combs with petrolatum in Black women causes irreversible alopecia limited to the crown of the scalp, resulting in follicular scarring.
2 citations
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February 2025 in “Journal of Cosmetic Dermatology” In a randomized clinical trial presented in this study, a novel lip hydrant with polyherbal extracts significantly reduced lip roughness and chapped lips compared to petroleum gel over 28 days among Thai participants, although both treatments improved perceived lip dryness.
February 2012 in “Australasian Journal of Dermatology” Some moles can disappear naturally, maintenance therapy for Stage 1 mycosis fungoides may not be necessary, allergic skin reactions in children are rising, weekly methotrexate for psoriasis is more effective than daily, long-term finasteride use improves hair growth with few side effects, and petrolatum improves UV therapy for psoriasis.
2 citations
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December 2014 in “Research & Reviews: Journal of Pharmacy and Pharmaceutical Sciences” This study found that a pet ether extract of Daucus carota promoted hair growth by inducing and prolonging the anagen phase in albino rats, surpassing the effects of 1% minoxidil.
25 citations
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April 2014 in “Journal of Scientific and Innovative Research” This study evaluated Tridax procumbens extracts for their in-vitro alpha amylase inhibitory activity compared to standard antidiabetic agents, suggesting potential benefits for diabetes management.
May 2026 in “Discover Chemistry.” This review presents recent advancements in bio-degradable polymers made through green chemistry, highlighting eco-friendly raw materials and methods, while also identifying challenges and future research areas to enhance their sustainability and commercial viability.