Round Lab
Birch Juice Mild-up Sunscreen UV LOCK SPF 50+
A light mineral daily SPF for dehydration and sensitivity, with reviewed formula data, likely white cast, and some patch-test cautions.
Routine step
Sunscreens
Category
Sun Protection
When to use
Morning
Finish
Likely white cast
This sunscreen has a higher white-cast risk, especially on deeper skin tones. Source: Reviewed mineral sunscreen formula.
Skin fit
Dehydration
10/10
Sensitivity
9/10
Best for
Key ingredients
Birch Sap (Betula Platyphylla Japonica Juice)
Hydrates and soothes skin while providing minerals and amino acids for barrier support
UV Filters (SPF 50+)
Broad-spectrum protection against UVA and UVB rays to help limit visible photoaging and damage
Hyaluronic Acid
Attracts and retains moisture to prevent dehydration during sun exposure
Cautions
Sensitive skin may sting. Patch-test before using it all over.
Formula checked
Koracle has a reviewed ingredient source for this product.
Checked 2026-05-01
Available
Check current price before you buy.
Koracle is skincare education, not medical or dermatology advice. Patch-test new products. Ask a licensed dermatologist about acne, rosacea, eczema, allergic reactions, pregnancy concerns, or symptoms that persist.