therapeutic action: skin whitening

Synergistic impact of arbutin and kaempferol-7-O-α-l-rhamnopyranoside from Nephelium lappaceum L. on whitening efficacy and stability of cosmetic formulations

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This research demonstrates that a natural compound from rambutan seeds works synergistically with arbutin to create more effective skin whitening products. The combination is 35 times more potent than arbutin alone at preventing melanin production in skin cells. The resulting cosmetic formulation maintains its effectiveness and stability for approximately 5.2 months, offering a safer natural alternative to conventional skin lightening agents that can cause irritation.

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Novel tyrosinase-inhibitory peptides derived from Locusta migratoria protein hydrolysates: Preparation, identification and molecular docking analysis

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Scientists have discovered that peptides from locusts can effectively inhibit tyrosinase, an enzyme responsible for skin pigmentation. These peptide extracts showed strong ability to prevent melanin production, comparable to existing skin-whitening agents but with much lower toxicity to normal cells. The research identified over 1100 different peptide sequences that could be useful in cosmetic and pharmaceutical products for treating age spots, freckles, and other pigmentation issues.

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Antioxidant Potential-Rich Betel Leaves (Piper betle L.) Exert Depigmenting Action by Triggering Autophagy and Downregulating MITF/Tyrosinase In Vitro and In Vivo

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This research shows that betel leaves, a traditional herb used in Asian cultures, can lighten skin pigmentation through multiple mechanisms. The extract works by reducing tyrosinase enzyme activity, activating cellular cleanup processes called autophagy, and boosting the body’s natural antioxidant defenses. In both laboratory cells and living mice exposed to UV radiation, betel leaves extract effectively reduced unwanted skin darkening, suggesting it could be developed into safe natural skin-whitening products.

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Anti-Melanogenic Activity of Calocedrus formosana Wood Essential Oil and Its Chemical Composition Analysis

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Researchers tested an essential oil from Taiwan’s precious Calocedrus formosana wood to see if it could lighten skin by blocking melanin production. The oil worked very well at stopping melanin synthesis in laboratory cells, with a compound called thymol being responsible for most of the lightening effect. This natural product could potentially be used in skin whitening cosmetics and offers a safer alternative to synthetic ingredients.

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Anti-Inflammation and Anti-Melanogenic Effects of Maca Root Extracts Fermented Using Lactobacillus Strains

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Researchers studied maca root, an Andes plant traditionally used for health benefits, by fermenting it with beneficial bacteria (Lactobacillus strains). They tested whether fermented maca could reduce skin inflammation and prevent excessive skin darkening. The fermented version worked significantly better than regular maca at both reducing inflammation markers and inhibiting melanin production in skin cells, suggesting it could be a valuable ingredient in cosmetic products designed to brighten skin and reduce irritation.

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Tyrosinase Inhibitors Derived from Chemical Constituents of Dianella ensifolia

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Researchers isolated four new plant compounds and 67 known compounds from Dianella ensifolia, a traditional Asian medicinal plant. Two of these compounds (11 and 14) were found to inhibit tyrosinase, the enzyme responsible for melanin production, making them approximately 13 times more effective than arbutin, a common cosmetic whitening ingredient. These findings suggest that D. ensifolia could be developed as a natural source of skin-whitening agents for treating age spots, freckles, and other pigmentation disorders.

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