Side-by-side comparison

Round Lab Birch Juice Moisturizing Sunscreen SPF 50+ vs Supergoop! Glowscreen SPF 40

Both sunscreens contain SPF / Sunscreen, but each adds something the other doesn't. Here's where they overlap and where they split.

1Shared hero active
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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Supergoop!
Glowscreen SPF 40
SunscreenPremiumMorning only
protectDullnessSensitive skinAcne-prone skin

A chemical SPF with pearlescent pigments giving a dewy finish. Functions as sunscreen + tinted primer in one. Great on dry/normal skin; combination or oily skin can go shiny. The niacinamide and HA are genuine, not just window-dressing.

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The verdict

Which should you choose?

Both contain SPF / Sunscreen. Supergoop! Glowscreen SPF 40 adds Niacinamide. Pick the one whose extra matches what you're treating. Round Lab Birch Juice Moisturizing Sunscreen SPF 50+ is the better fit for a damaged barrier; Supergoop! Glowscreen SPF 40 for dullness. On price, Round Lab Birch Juice Moisturizing Sunscreen SPF 50+ is the less expensive option (Budget versus Premium).

The overlap

What they share

This hero active appears in both formulas:

SPF / Sunscreen
The formulation

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! Glowscreen SPF 40 — top of the list

  • Avobenzone 3%~50–80%
  • Homosalate 5%~5–25%
  • Octisalate 5%~3–10%
  • Octocrylene 6%~2–6%
  • Water~1.5–4%
  • Niacinamide~1–2%
  • Glycerin~1–2%
  • Cetyl PEG/PPG-…~1–2%
  • Sodium Hyaluro…~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

Round Lab Birch Juice Moisturizing Sunscreen SPF 50+Supergoop! Glowscreen SPF 40
CategorySunscreenSunscreen
Price tierBudgetPremium
Best forprotect, Damaged Barrierprotect, Dullness
Usage notesMorning onlyMorning only
Shared hero activesSPF / Sunscreen
Questions

Common questions

Is the Round Lab Birch Juice Moisturizing Sunscreen SPF 50+ or the Supergoop! Glowscreen SPF 40 better?
It depends on what you're treating. Both contain SPF / Sunscreen; Supergoop! Glowscreen SPF 40 adds Niacinamide.
What's the difference between the Round Lab Birch Juice Moisturizing Sunscreen SPF 50+ and the Supergoop! Glowscreen SPF 40?
Round Lab Birch Juice Moisturizing Sunscreen SPF 50+'s hero actives are SPF / Sunscreen. Supergoop! Glowscreen SPF 40's are SPF / Sunscreen, Niacinamide and Hyaluronic Acid. They also sit in different price tiers (Budget versus Premium).
Are the Round Lab Birch Juice Moisturizing Sunscreen SPF 50+ and Supergoop! Glowscreen SPF 40 dupes for each other?
Partly. They share SPF / Sunscreen, but Supergoop! Glowscreen SPF 40's Niacinamide isn't in the other, so they aren't full substitutes.
Can I use the Round Lab Birch Juice Moisturizing Sunscreen SPF 50+ and Supergoop! Glowscreen SPF 40 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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