Round Lab Birch Juice Moisturizing UV Lock Sunscreen SPF 45 vs Supergoop! PLAY Everyday Lotion SPF 50
Round Lab
Birch Juice Moisturizing UV Lock Sunscreen SPF 45
~$22· 1.69 fl oz
Niacinamide
Supergoop!
PLAY Everyday Lotion SPF 50
~$22· 2.4 fl oz
Glycerin
Actives breakdown
| Active ingredient | Round Lab | Supergoop! |
|---|---|---|
| Niacinamide | ✓ | — |
| Glycerin | — | ✓ |
Layering & Safety
Combined Verdict
Safe to layer
No layering conflicts flagged between these two. Patch-test new actives as usual.