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Mursyanti E, Arsiningtyas IS, Yalapuspita DC, Widianingtyas FD. Antibacterial and antioxidant activity of liquid hand soap with natural colourants derived from butterfly pea (Clitoria ternatea), beetroot (Beta vulgaris) and sappanwood (Caesalpinia sappan) extracts. Plant Sci. Today [Internet]. 2025 Dec. 18 [cited 2026 Jan. 11];13(1). Available from: https://horizonepublishing.com/index.php/PST/article/view/10426