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Swish. Rinse. Refresh. Crafted from stainless steel and stamped with the Underbrush logo at the base, this compact cup is the perfect companion to Pearl Serum. Designed for daily use - just add a few drops of pearl serum, top with water, and you’re good for a refreshing swish.
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We currently ship within the US, with more countries coming soon.
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🇺🇸 Ship from USA · On Agora since 2026
$10.00