Side-by-side comparison

ISDIN Eryfotona Actinica SPF 50+ vs Supergoop! Glowscreen SPF 40

Both are sunscreens. They share a 70% active-ingredient overlap, so the real decision is about price, texture and the supporting ingredients. Here's the side-by-side.

70%Active overlap
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 sit in the Premium tier, so cost isn't the deciding factor here — choose on texture, finish and the supporting ingredients. The ISDIN leans toward Aging, sensitive. The Supergoop! leans toward Dullness.

The overlap

What they share

At 70% active overlap, these are the ingredients doing comparable work in both formulas:

Spf / Sunscreen
The formulation

Ingredient stacks, side by side

ISDIN — 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! — 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

ISDINSupergoop!
CategorySunscreenSunscreen
Price tierPremiumPremium
Best forprotect, Aging, sensitiveprotect, Dullness
Usage notesMorning onlyMorning only
Active overlap70% — Spf / Sunscreen
Questions

Common questions

Is the ISDIN Eryfotona Actinica SPF 50+ or the Supergoop! Glowscreen SPF 40 better?
Neither is clearly better — they overlap 70% on active ingredients and sit in the same price tier. The difference comes down to texture, finish and the supporting ingredients, so the right choice depends on your skin type and preferences.
What's the difference between the ISDIN Eryfotona Actinica SPF 50+ and the Supergoop! Glowscreen SPF 40?
Both are sunscreens that share Spf / Sunscreen. Where they differ: the ISDIN targets Aging, sensitive; the Supergoop! targets Dullness.
Are the ISDIN Eryfotona Actinica SPF 50+ and Supergoop! Glowscreen SPF 40 dupes for each other?
They share 70% active-ingredient overlap based on published INCI lists, so one can stand in for the other on the actives that matter — chiefly Spf / Sunscreen. A dupe matches the hero actives, not the full sensory experience, so expect differences in texture, fragrance and exact concentrations.
Can I use the ISDIN Eryfotona Actinica SPF 50+ and Supergoop! Glowscreen SPF 40 together?
They both fill the sunscreen slot in a routine, so you'd normally pick one rather than layer both. If you want to use both, treat one as your daytime option and the other for evening, and patch-test when introducing anything new.
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70% overlap

Want a deeper, personalised read? Drop both products into the live comparison tool for an ingredient-by-ingredient breakdown tuned to your skin profile.

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