Anua Zero-Cast Moisturizing Finish Sunscreen SPF 50 vs Round Lab Birch Juice Moisturizing UV Lock Sunscreen SPF 45
Anua
Zero-Cast Moisturizing Finish Sunscreen SPF 50
~$20· 1.69 fl oz
Hyaluronic AcidNiacinamideGlycerin
Round Lab
Birch Juice Moisturizing UV Lock Sunscreen SPF 45
~$22· 1.69 fl oz
Niacinamide
Actives breakdown
| Active ingredient | Anua | Round Lab |
|---|---|---|
| Hyaluronic Acid | ✓ | — |
| Niacinamide | ✓ | ✓ |
| Glycerin | ✓ | — |
Layering & Safety
Combined Verdict
Safe to layer
No layering conflicts flagged between these two. Patch-test new actives as usual.