Side-by-side comparison

La Roche-Posay Anthelios Invisible Fluid SPF 50+ vs Round Lab Birch Juice Moisturizing Sunscreen SPF 50+

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.

1Shared hero active
La Roche-Posay
Anthelios Invisible Fluid SPF 50+
SunscreenMid-rangeMorning only
protectAgingSensitive skin

High-protection broad-spectrum fluid sunscreen with Mexoryl XL, baïcalin antioxidant and vitamin E. Lightweight, fast-absorbing, no white cast. One of the best-tolerated daily facial SPFs in the EU / international formulation.

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Round Lab
Birch Juice Moisturizing Sunscreen SPF 50+
SunscreenBudgetMorning only
protectDamaged Barrier

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.

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The verdict

Which should you choose?

Both formulas lean on SPF / Sunscreen, so for the ingredient doing the work they're close alternatives. La Roche-Posay Anthelios Invisible Fluid SPF 50+ is the better fit for signs of aging; Round Lab Birch Juice Moisturizing Sunscreen SPF 50+ for a damaged barrier. On price, Round Lab Birch Juice Moisturizing Sunscreen SPF 50+ is the less expensive option (Budget versus Mid-range).

The overlap

What they share

This hero active appears in both formulas:

SPF / Sunscreen
The formulation

Ingredient stacks, side by side

La Roche-Posay Anthelios Invisible Fluid SPF 50+ — top of the list

  • Aqua/Water~50–80%
  • Alcohol Denat.~5–25%
  • Diisopropyl Se…~3–10%
  • Ethylhexyl Sal…~2–6%
  • Octocrylene~1.5–4%
  • Propanediol~1–2%
  • Bis-Ethylhexyl…~1–2%
  • Drometrizole T…~1–2%
  • Glycerin~1–2%
  • Silica~1–2%
  • Styrene/Acryla…~1–2%

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%

● marks ingredients that appear near the top of both lists. Percentages are positional estimates from INCI order, not disclosed doses.

At a glance

The specs

La Roche-Posay Anthelios Invisible Fluid SPF 50+Round Lab Birch Juice Moisturizing Sunscreen SPF 50+
CategorySunscreenSunscreen
Price tierMid-rangeBudget
Best forprotect, Agingprotect, Damaged Barrier
Usage notesMorning onlyMorning only
Shared hero activesSPF / Sunscreen
Questions

Common questions

Is the La Roche-Posay Anthelios Invisible Fluid SPF 50+ or the Round Lab Birch Juice Moisturizing Sunscreen SPF 50+ better?
Neither is clearly better on ingredients, since both rely on SPF / Sunscreen. Choose on price, texture and how your skin responds to the rest of the formula.
What's the difference between the La Roche-Posay Anthelios Invisible Fluid SPF 50+ and the Round Lab Birch Juice Moisturizing Sunscreen SPF 50+?
La Roche-Posay Anthelios Invisible Fluid SPF 50+'s hero actives are SPF / Sunscreen. Round Lab Birch Juice Moisturizing Sunscreen SPF 50+'s are SPF / Sunscreen. They also sit in different price tiers (Mid-range versus Budget).
Are the La Roche-Posay Anthelios Invisible Fluid SPF 50+ and Round Lab Birch Juice Moisturizing Sunscreen SPF 50+ dupes for each other?
Yes, on the ingredient that matters. Both are built around SPF / Sunscreen, though concentrations, texture and the supporting ingredients can still differ.
Can I use the La Roche-Posay Anthelios Invisible Fluid SPF 50+ and Round Lab Birch Juice Moisturizing Sunscreen SPF 50+ together?
You only need one sunscreen per application. Use whichever you'll apply generously and reapply, and keep the other for a different setting if you like both.
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1 shared hero active

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