Side-by-side comparison

ISDIN Eryfotona Actinica 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
ISDIN
Eryfotona Actinica SPF 50+
SunscreenPremiumMorning only
protectAgingsensitive

100% mineral (zinc oxide) SPF 50+ with photolyase enzymes shown to support repair of UV-induced DNA damage. Used in actinic-keratosis prevention protocols — among the best-evidenced mineral daily SPFs on the market.

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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. ISDIN Eryfotona Actinica SPF 50+ is the better fit for signs of aging and sensitive skin; Supergoop! Glowscreen SPF 40 for dullness. Both sit in the Premium price tier.

The overlap

What they share

This hero active appears in both formulas:

SPF / Sunscreen
The formulation

Ingredient stacks, side by side

ISDIN Eryfotona Actinica SPF 50+ — top of the list

  • Aqua (Water)~50–80%
  • Zinc Oxide~5–25%
  • Propanediol~3–10%
  • Caprylic/Capri…~2–6%
  • Isopropyl Palm…~1.5–4%
  • Pentylene Glycol~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

ISDIN Eryfotona Actinica SPF 50+Supergoop! Glowscreen SPF 40
CategorySunscreenSunscreen
Price tierPremiumPremium
Best forprotect, Aging, sensitiveprotect, Dullness
Usage notesMorning onlyMorning only
Shared hero activesSPF / Sunscreen
Questions

Common questions

Is the ISDIN Eryfotona Actinica 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 ISDIN Eryfotona Actinica SPF 50+ and the Supergoop! Glowscreen SPF 40?
ISDIN Eryfotona Actinica SPF 50+'s hero actives are SPF / Sunscreen. Supergoop! Glowscreen SPF 40's are SPF / Sunscreen, Niacinamide and Hyaluronic Acid.
Are the ISDIN Eryfotona Actinica 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 ISDIN Eryfotona Actinica 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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