ROUND LAB - Birch Juice Moisturizing Sun Serum SPF50+ PA++++ 50ml

ROUND LAB Birch Juice Moisturizing Sun Serum SPF50+ PA++++ melts into skin like a hydrating serum, not a barrier you have to fight with. Broad-spectrum protection teams up with 73% hydrating essence, hyaluronic acid and vegan PDRN to shield skin from UV while visibly plumping and renewing it. Zero white cast, zero grease, zero residue — just dewy, protected skin that works under makeup.

Key Benefits

• SPF50+ PA++++: the highest Korean UVA and UVB rating.
• Serum texture: light, dewy and absorbs instantly.
• Skincare-level hydration: 73% essence, hyaluronic acid and vegan PDRN.
• No white cast: invisible on all skin tones.

How to Use

As the last step of your morning routine, apply a generous amount (about two finger-lengths for face and neck) 15 minutes before sun exposure. Reapply every two hours outdoors and after swimming or sweating.

Explore the full line in our Birch Juice collection.

Frequently Asked Questions

Does it leave a white cast?

No — the serum texture is designed for zero white cast and no residue.

Is it good for dry skin?

Yes. With 73% hydrating essence and hyaluronic acid, it moisturizes like a serum while protecting.

What does PA++++ mean?

It is the highest rating for UVA protection in Asian sunscreen standards; SPF measures UVB protection.

Can I wear it under makeup?

Yes. The dewy, non-greasy finish makes a smooth base for foundation or cushion.