A concentrated treatment — think of it as a serum, distilled. You use a few drops after toner and before cream, exactly where your routine needs the most help.
They’re in the same vitamin-A family, but retinol must convert twice in the skin before it acts, while retinal (retinaldehyde) converts once. In practice that means visible smoothing tends to appear sooner, at gentler concentrations. Our CICA Retinal Ampoule pairs it with the CICA-7 soothing complex and bakuchiol to keep the experience calm.
Every formula is dermatologist- and sensitive-skin-tested and designed low-irritation from the start — Youlief began as a sensitive-skin derma brand in Korea. As with any new skincare, patch-test first if your skin is highly reactive.
All products are formulated and made in South Korea by Plcoskin, Youlief’s parent company — a regenerative-medicine biotech founded by a plastic surgeon trained at Yonsei and Johns Hopkins.
Cleanse (Cleansing Serum) → Prep (Setup Toner) → Treat (ECW or CICA Retinal Ampoule, or a DIA serum) → Moisturize (Setup Cream or PEPTIDERMA). Retinal belongs in the evening; brightening serums work morning and night — always with sunscreen in the morning.
Sunscreens are regulated as over-the-counter drugs in the US and as licensed NPN/DIN products in Canada. The North America edition ships without them while those registrations are pursued — in the meantime, pair your morning routine with any broad-spectrum SPF you trust.
Vegalab, the exclusive distributor for the United States and Canada. Retail and wholesale inquiries are welcome at vegalab.com.
The North America store is opening soon. Join the early-access list and you’ll be first in line — with a launch offer to match.
The Derma Collection is arriving in the US and Canada now. Join the list for early access and a launch offer.