Side-by-side comparison

Beauty of Joseon Relief Sun : Rice + Probiotics SPF 50+ vs ISDIN Eryfotona Actinica SPF 50+

Both are sunscreens. They share a 99% active-ingredient overlap, so the real decision is about price, texture and the supporting ingredients. Here's the side-by-side.

99%Active overlap
Beauty of Joseon
Relief Sun : Rice + Probiotics SPF 50+
SunscreenBudgetMorning only
protectDamaged BarrierDullness

Chemical SPF with rice extract and fermented lactobacillus filtrate — lightweight, hydrating, non-whitecast and affordable. One of the most-recommended K-beauty sunscreens for daily face use. European filters, so US availability is via grey import.

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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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The verdict

Which should you choose?

On price, the Beauty of Joseon Relief Sun : Rice + Probiotics SPF 50+ sits in the Budget tier versus Premium for the ISDIN — so it's the more budget-led pick if the overlap is what you're after. The Beauty of Joseon leans toward Damaged Barrier, Dullness. The ISDIN leans toward Aging, sensitive.

The overlap

What they share

At 99% active overlap, these are the ingredients doing comparable work in both formulas:

Spf / Sunscreen
The formulation

Ingredient stacks, side by side

Beauty of Joseon — top of the list

  • Water~50–80%
  • Oryza Sativa (…~5–25%
  • Dibutyl Adipate~3–10%
  • Diethylhexyl B…~2–6%
  • Ethylhexyl Tri…~1.5–4%
  • Butyl Methoxyd…~1–2%
  • Bis-Ethylhexyl…~1–2%
  • Propanediol~1–2%
  • Glycerin~1–2%

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%

● 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

Beauty of JoseonISDIN
CategorySunscreenSunscreen
Price tierBudgetPremium
Best forprotect, Damaged Barrier, Dullnessprotect, Aging, sensitive
Usage notesMorning onlyMorning only
Active overlap99% — Spf / Sunscreen
Questions

Common questions

Is the Beauty of Joseon Relief Sun : Rice + Probiotics SPF 50+ or the ISDIN Eryfotona Actinica SPF 50+ better?
Neither is universally better — they share 99% active-ingredient overlap, so for the actives that drive results they're close. The Beauty of Joseon Relief Sun : Rice + Probiotics SPF 50+ is the more budget-friendly option, while the other may differ on texture, finish and supporting ingredients. Pick based on your skin's priorities rather than a single 'winner'.
What's the difference between the Beauty of Joseon Relief Sun : Rice + Probiotics SPF 50+ and the ISDIN Eryfotona Actinica SPF 50+?
Both are sunscreens that share Spf / Sunscreen. Where they differ: they sit in different price tiers (Budget vs Premium); the Beauty of Joseon targets Damaged Barrier, Dullness; the ISDIN targets Aging, sensitive.
Are the Beauty of Joseon Relief Sun : Rice + Probiotics SPF 50+ and ISDIN Eryfotona Actinica SPF 50+ dupes for each other?
They share 99% 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 Beauty of Joseon Relief Sun : Rice + Probiotics SPF 50+ and ISDIN Eryfotona Actinica SPF 50+ 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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99% overlap

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