
ROUND LAB
Birch Juice Mild-Up UVLOCK SPF 50
Sunscreen · 36 ingredients · South Korea
ROUND LAB Birch Juice Mild-Up UVLOCK SPF 50 is a gentle physical sunscreen that provides broad-spectrum protection while calming and protecting sensitive skin. Infused with Birch sap and Vita Hyaluronic Acid, it hydrates and shields the skin from UV damage, promoting a healthier complexion.

ROUND LAB
Birch Juice Moisturizing UVLOCK Sun Stick SPF 50
Sunscreen · 48 ingredients · South Korea
ROUND LAB Birch Juice UVLOCK Moisturizing Sun Stick (SPF 50+ PA++++) provides powerful sun protection with a cooling, lightweight finish. Defend against light and heat-induced aging while a patented soothing complex hydrates and calms.
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Both are Sunscreen products.
L-Ascorbic Acid
A form of vitamin C — an antioxidant that brightens, fades dark spots, and supports collagen.
Hyaluronic Acid
Holds water in the skin for instant plumping and hydration.
SPF
A mineral filter that physically blocks the sun — gentle, good for sensitive skin.
Vitamin E
An antioxidant that protects the barrier and supercharges vitamin C.
Mugwort
A botanical that calms redness and soothes sensitive, reactive skin.
Anthemis Nobilis Flower Oil
A nourishing plant oil that softens skin and helps seal in moisture.
Pinus Sylvestris Leaf Oil
A nourishing plant oil that softens skin and helps seal in moisture.
Glycerin
The workhorse humectant — simple, effective, and exceptionally well-tolerated.
Saccharomyces Ferment
A fermented filtrate that hydrates, brightens, and strengthens the barrier.
L-Ascorbic Acid
A form of vitamin C — an antioxidant that brightens, fades dark spots, and supports collagen.
Hyaluronic Acid
Holds water in the skin for instant plumping and hydration.
Aloe Vera
Cools and hydrates irritated skin.
Chemical UV Filter
A UV filter that protects skin from sun damage.
Camellia Japonica Seed Oil
A nourishing plant oil that softens skin and helps seal in moisture.
Mugwort
A botanical that calms redness and soothes sensitive, reactive skin.
Pinus Sylvestris Leaf Oil
A nourishing plant oil that softens skin and helps seal in moisture.
Anthemis Nobilis Flower Oil
A nourishing plant oil that softens skin and helps seal in moisture.
Licorice Root
Brightens and soothes at once.
Allantoin
Calms redness and smooths texture — buffers harsh actives beautifully.
Glycerin
The workhorse humectant — simple, effective, and exceptionally well-tolerated.
Hydration
Barrier
Brightening
Anti-aging
Soothing
Antioxidant
Protection
Hydration
Barrier
Brightening
Anti-aging
Texture
Soothing
Antioxidant
Protection