9 citations
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November 2012 in “Biomolecules & therapeutics” This study found that diphlorethohydroxycarmalol significantly increased prostaglandin $E_2$ synthesis in HaCaT human keratinocytes by upregulating COX-1 and COX-2 expression, suggesting potential benefits from elevated $PGE_2$ production.
February 2026 in “UiTM Institutional Repositories (Universiti Teknologi MARA)” This study found that cis-urocanic acid can engage in non-enzymatic reactions with reactive sulphur species, forming new metabolites, and suggests sulphide donors may protect against UVB-related toxicity.
April 2018 in “Journal of Investigative Dermatology” This study found that Mentha suaveolens aqueous extract activated Nrf-2 and increased detoxifying enzyme expression in keratinocytes, providing protection against oxidative stress without cytotoxicity.
20 citations
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March 2019 in “Nutrients” This study found that Rumex japonicus extract may help reduce symptoms of atopic dermatitis by inhibiting inflammatory responses in both cell cultures and a mouse model.
August 2011 in “Planta Medica” This study suggests that the hair growth-promoting effects of 4-O-methylhonokiol may be linked to its ability to modulate TGF-β-induced cell cycle arrest and oxidative stress in HaCaT cells.