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RESEARCH PAPER / 2026-04-29

Investigating the potential of Ulva rigida extracts as a natural anti-aging agent in cosmetics.

Korawinwich Boonpisuttinant, Thanachai Taka, Jantana Praiboon, Saranrat Phuangborisut, Nipaporn Kangkawisut, Warintorn Ruksiriwanich, Romchat Chutoprapat, Wirinda Chompoo, Kitrawi Samothai, Sarinporn Udompong, Kulwara Poolpol

Innovative Natural Products From Thai Wisdoms (INPTW), Faculty of Integrative Medicine, Rajamangala University of Technology Thanyaburi (RMUTT), Pathumthani, 12130, Thailand.Innovative Natural Products From Thai Wisdoms (INPTW), Faculty of Integrative Medicine, Rajamangala University of Technology Thanyaburi (RMUTT), Pathumthani, 12130, Thailand. · pubmed

Abstract

Based on the study, extracts from sea lettuce (Ulva rigida) or UR show significant promise as a natural anti-aging ingredient for skincare products. The research, conducted on specimens from Phetchaburi, Thailand, compared three extraction methods: juice squeezing (J), boiling (B), and maceration (M) by using 95% ethanol. The results demonstrated that these extracts contain beneficial compounds like phenolics and flavonoids, including rutin, catechin, and quercetin, which contribute to their biological properties. Furthermore, all extracts (UR-J, UR-B, and UR-M) exhibited powerful anti-aging effects. Specifically, the UR-M extracts effectively inhibited anti-melanogenesis activity (5.88 ± 1.25%) and the tyrosinase activity (IC

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Research summary

Ulva rigida extracts show potential as natural anti-aging agents in cosmetics. The study explores the biological properties of these extracts, which may contribute to addressing aspects of aging.

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