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[ROUND LAB] Birch Juice Moisturizing Ampoule (50ml + 20ml)
A lightweight, hydrating ampoule enriched with birch juice and ten types of hyaluronic acid to provide deep, long-lasting moisture. It absorbs quickly to revitalize dry skin and improve overall skin clarity and texture.
About the Brand
ROUND LAB is a prominent South Korean skincare brand founded in 2017 that captures the essence of the Korean Peninsula by sourcing ingredients from its pristine natural environments. The brand's philosophy centers on clean, gentle, and effective skincare, utilizing raw materials like mineral-rich deep sea water from the Dokdo Islands and hydrating birch sap from Inje County. Their signature lines, such as the 1025 Dokdo collection and the Birch Juice line, have achieved significant popularity for their ability to soothe, hydrate, and refine skin texture using hypoallergenic, nature-derived formulas. ROUND LAB is highly regarded for its commitment to sustainability, employing eco-friendly extraction and packaging practices. The brand is positioned as a clean beauty leader, offering accessible, high-quality products that cater to all skin types, including sensitive skin. Through consistent innovation and a focus on purity, ROUND LAB has earned numerous awards and a strong global following for its transformative and refreshing skincare solutions.
Full active list and clinical composition.
This list of ingredients represents all options or variants of this product. Actual ingredients in a given product option may vary from this list. Ingredients subject to change at manufacturer's discretion.
For the most complete and up-to-date list of ingredients, please refer to product packaging.
Korean beauty products are labelled in Korean.
For reference: 제조 Manufacture · 까지 Until · 만료 Expiry
Patch test recommended before first use. For full product information, see our Disclaimer.
Step 5 — Treat
Targets specific skin concerns with high-concentration actives.
Apply 2–3 drops, press into skin, do not rub.
Layer from lightest to heaviest texture.
Patch test recommended before first use. For full product information, see our Disclaimer.
Every KCOS order is hand-picked and shipped from Seoul. Flat rate $9.80 worldwide. Free over $80.
1–3 business days from Seoul, South Korea. Tracking provided by email once dispatched.
5–8 business days worldwide. Allow extra days during 11.11, Black Friday and Lunar New Year.
Import VAT and customs fees may apply on arrival, set by your local authorities. We'll always do our best to help if anything unexpected comes up — write to hello@kcosonline.com.
Every product is sourced directly in Seoul by our team. We don't work with third-party warehouses or unverified resellers.
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Due to the nature of cosmetics shipped internationally, we accept returns only for damaged or defective items. Reach out within 14 days of delivery at hello@kcosonline.com.