Round Lab Birch Juice Moisturizing Sunscreen SPF 50+ vs Supergoop! Unseen Sunscreen SPF 40
Both are sunscreens built on the same key active: SPF / Sunscreen. That makes them genuine alternatives, so price, texture and the supporting ingredients decide it.
A hydrating chemical SPF with birch juice as the primary base (replacing water in the formula). Light, comfortable finish; hydrating without being greasy. One of the go-to affordable K-beauty daily sunscreens.
A clear gel chemical sunscreen that wears like a silicone primer — invisible, grippy, non-greasy. The filter profile is gentle, but the silicone-heavy base is polarising; some acne-prone users find it congesting. Try before committing to a full-size.
Which should you choose?
Both formulas lean on SPF / Sunscreen, so for the ingredient doing the work they're close alternatives. Round Lab Birch Juice Moisturizing Sunscreen SPF 50+ is the better fit for a damaged barrier. On price, Round Lab Birch Juice Moisturizing Sunscreen SPF 50+ is the less expensive option (Budget versus Premium).
What they share
This hero active appears in both formulas:
Ingredient stacks, side by side
Round Lab Birch Juice Moisturizing Sunscreen SPF 50+ — top of the list
- Betula Platyph…~50–80%
- Butyl Methoxyd…~5–25%
- Ethylhexyl Met…~3–10%
- Dicaprylyl Car…~2–6%
- Propanediol~1.5–4%
- Glycerin~1–2%
Supergoop! Unseen Sunscreen SPF 40 — top of the list
- Avobenzone 3%~50–80%
- Homosalate 9%~5–25%
- Octisalate 5%~3–10%
- Octocrylene 6%~2–6%
- C12-15 Alkyl B…~1.5–4%
- Butylene Glycol~1–2%
● marks ingredients that appear near the top of both lists. Percentages are positional estimates from INCI order, not disclosed doses.
The specs
| Round Lab Birch Juice Moisturizing Sunscreen SPF 50+ | Supergoop! Unseen Sunscreen SPF 40 | |
|---|---|---|
| Category | Sunscreen | Sunscreen |
| Price tier | Budget | Premium |
| Best for | protect, Damaged Barrier | protect |
| Usage notes | Morning only | Morning only |
| Shared hero actives | SPF / Sunscreen | |
Common questions
Is the Round Lab Birch Juice Moisturizing Sunscreen SPF 50+ or the Supergoop! Unseen Sunscreen SPF 40 better?
What's the difference between the Round Lab Birch Juice Moisturizing Sunscreen SPF 50+ and the Supergoop! Unseen Sunscreen SPF 40?
Are the Round Lab Birch Juice Moisturizing Sunscreen SPF 50+ and Supergoop! Unseen Sunscreen SPF 40 dupes for each other?
Can I use the Round Lab Birch Juice Moisturizing Sunscreen SPF 50+ and Supergoop! Unseen Sunscreen SPF 40 together?
Related comparisons
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