ProtoClinical k-beauty Round Lab Birch Juice Moisturizing Sun Stick 19g (SPF 50+ PA++++) single white sun stick package angled on a rippled light blue water background
ProtoClinical k-beauty Round Lab Birch Juice Moisturizing Sun Stick 19g (SPF 50+ PA++++) single white sun stick package angled on a rippled light blue water background
ProtoClinical k-beauty Round Lab Birch Juice Moisturizing Sun Stick 19g (SPF 50+ PA++++) two white sun stick packages beside a white cream swatch on a round light blue tray
ProtoClinical k-beauty Round Lab Birch Juice Moisturizing Sun Stick 19g (SPF 50+ PA++++) open white sun stick lying beside its upright package on a light blue background
ProtoClinical k-beauty Round Lab Birch Juice Moisturizing Sun Stick 19g (SPF 50+ PA++++) single sun stick package on a light background
Round Lab

Round Lab Birch Juice Moisturizing Sun Stick 19g (SPF 50+ PA++++)

$15.96
Provides intensive moisture that sinks in without heaviness
The moisturizing sun stick delivers a lightweight finish with cooling effects. The product offers clinically-proven SPF 50+ sun protection.
The invisible shield your morning routine needs: Round Lab's formula with Birch Sap protects without white cast or heavy feel, perfect for all skin types.
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Korean Beauty Formulation Broad-Spectrum Protection
Birch Sap
Round Lab Birch Juice Moisturizing Sun Stick 19g (SPF 50+ PA++++)
Round Lab Birch Juice Moisturizing Sun Stick 19g (SPF 50+ PA++++) Default Title
$15.96
Clinically proven actives Dermatologist tested 100% authentic Korean Cruelty-free
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$15.96

Birch Sap

Birch sap contains natural minerals (manganese, potassium, calcium), amino acids, and natural sugars that provide lightweight, breathable hydration without occluding pores. In this sunscreen, Birch Sap targets sun damage, delivering provides intensive moisture that sinks in without heaviness with consistent use.

Birch Sap
delivers mineral-rich, lightweight hydration that mimics the skin's own moisture
The texture

Lightweight, non-greasy stick

The moisturizing sun stick delivers a lightweight finish with cooling effects. The product offers clinically-proven SPF 50+ sun protection.

All Skin Types Sun Damage Photoaging
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

Birch Sap delivers mineral-rich, lightweight hydration that mimics the skin's own moisture. This focused formula puts all its power behind one proven active for maximum impact.

Birch sap contains natural minerals (manganese, potassium, calcium), amino acids, and natural sugars that provide lightweight, breathable hydration without occluding pores. Its composition is remarkably similar to the skin's own interstitial fluid, which is why it absorbs without resistance and integrates seamlessly into the moisture barrier.

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.
Yes, this formula is developed to be compatible with all skin types dealing with sun damage. If you have very reactive skin, patch test on the inner arm before full application.
Mineral-based sunscreens are generally considered safe. Check the ingredient list for your specific concerns and consult a dermatologist if needed.
Birch Sap delivers mineral-rich, lightweight hydration that mimics the skin's own moisture. 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.
Store in a cool, dry place away from direct sunlight. Use within 12 months of opening for optimal freshness and efficacy.
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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