Round Lab · Korea
Birch Juice Moisturizing Toner
$19.00
77% birch sap from Baekdu Mountain delivers intense, layered hydration without stickiness. Works as toner, essence, or sheet mask booster.
The Story
Round Lab sources birch sap from Mount Baekdu — Korea's dormant volcano where mineral-rich groundwater produces exceptionally pure, bioavailable sap.