ProtoClinical k-beauty Round Lab Birch Juice Moisturizing Sunscreen 50ml (SPF 50+,PA++++) single upright sunscreen package on a light background.
Round Lab

Round Lab Birch Juice Moisturizing Sunscreen 50ml (SPF 50+,PA++++)

$28.56
Provides intensive moisture that sinks in without heaviness
A moisture essence type sunscreen with the natural birch sap and vita hyaluronic acid for protection against dryness and UV rays(UVA, UVB, Bluelight). No. 1 in the category of Sunscreen/Lotion of the Best New Product first half of 2020 Hwahae Beauty Award.
The invisible shield your morning routine needs: Round Lab's formula with Hyaluronic Acid protects without white cast or heavy feel, perfect for all skin types.
100% authentic

Sourced direct · batch code

Korean Beauty Formulation Broad-Spectrum Protection
Hyaluronic Acid Birch Sap
Round Lab Birch Juice Moisturizing Sunscreen 50ml (SPF 50+,PA++++)
Round Lab Birch Juice Moisturizing Sunscreen 50ml (SPF 50+,PA++++) Default Title
$28.56
Clinically proven actives Dermatologist tested 100% authentic Korean Cruelty-free

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Hyaluronic Acid and Birch Sap

Hyaluronic acid is a glycosaminoglycan naturally present in the dermis. When applied topically, low-molecular-weight HA penetrates beyond the surface to bind water molecules between skin cells, creating a reservoir effect that keeps skin plump from within. In this sunscreen, Hyaluronic Acid targets dehydration, delivering provides intensive moisture that sinks in without heaviness with consistent use.

Hyaluronic Acid
draws and locks moisture deep within the skin, holding up to 1000x its weight in water
Birch Sap
delivers mineral-rich, lightweight hydration that mimics the skin's own moisture
Texture

Lightweight, non-greasy lotion

All Skin Types Dehydration
Hover the swatch: it ripples like water

How to use

1

Step 1: Apply as the final step of your morning skincare routine.

2

Step 2: Dispense a generous amount (two finger-lengths) onto face and neck.

3

Step 3: Spread evenly and allow 2 to 3 minutes to set.

4

Step 4: Reapply every 2 hours during prolonged sun exposure.

Full transparency

Ingredients

Hyaluronic Acid draws and locks moisture deep within the skin, holding up to 1000x its weight in water, while Birch Sap delivers mineral-rich, lightweight hydration that mimics the skin's own moisture, creating a formula that addresses multiple needs at once.

Hyaluronic acid is a glycosaminoglycan naturally present in the dermis. When applied topically, low-molecular-weight HA penetrates beyond the surface to bind water molecules between skin cells, creating a reservoir effect that keeps skin plump from within. High-molecular-weight HA forms a breathable moisture film on the surface, reducing transepidermal water loss throughout the day.

The detail

Specs & details

FormatUV protection cream
SizeDefault Title
Skin typesAll Skin Types
Country of originSouth Korea
Before you add to cart

Questions & answers

Two finger-lengths for the face and neck. Most people under-apply sunscreen, which reduces the effective SPF.
Some users find this hydrating enough on its own. For dry skin, a light moisturizer underneath is recommended.
SPF protection degrades with sun exposure, sweat, and friction. Reapply every 2 hours during direct sun exposure for consistent protection.
Sunscreen significantly reduces UV-induced tanning and damage but does not block 100% of UV rays. Consistent application minimizes cumulative sun damage.
Mineral-based sunscreens are generally considered safe. Check the ingredient list for your specific concerns and consult a dermatologist if needed.
Hyaluronic Acid draws and locks moisture deep within the skin, holding up to 1000x its weight in water. Consistent daily use is key to seeing the full benefits.
Check the active ingredients list. Chemical filters absorb UV rays; mineral filters (zinc oxide, titanium dioxide) reflect them. Some formulas combine both.
Korean sunscreen formulations prioritize both protection and cosmetic elegance, delivering high SPF with minimal white cast, lightweight texture, and skincare benefits.
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About the brand

OriginSeoul, KR
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