ISDIN vs Sesderma — side by side, no bias.
Our pick
Eryfotona Actinica SPF 50+
9.2/10 · ISDIN
| Eryfotona Actinica SPF 50+ | Repaskin Silk Touch SPF50+ | |
|---|---|---|
| Brand | ISDIN | Sesderma |
| Category | sunscreen | sunscreen |
| Editor Rating | 9.2/10 ★ | 8.1/10 |
| Category | sunscreen | sunscreen |
| Texture | Lightweight emulsion | Silk-touch fluid |
| Finish | Smooth, semi-matte, no white cast | Velvety |
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| Verdict | ISDIN's photolyase-DNA-repair sunscreen — the most clinically considered photoprotection in the Spanish dermocosmetic lineup, and one of the rare commercial sunscreens with a mechanism beyond UV-filter blocking. The formula stacks broad-spectrum mineral and chemical filters with patented DNA Repairsomes — photolyase enzymes derived from blue-green algae plankton that actively reverse UV-induced thymine dimer DNA damage already in the skin. The plankton extract is the differentiator: most sunscreens prevent damage, Eryfotona prevents AND repairs. Spanish dermatologists prescribe it for actinic keratosis patients, post-procedure photoprotection, and high-sun-exposure prophylaxis. At $55 for 100ml, mid-tier pricing — but the photolyase technology makes it functionally unique. | Sesderma's Repaskin sunscreen — modern UV filter stack with the brand's silk-touch finish positioning. Direct competitor to ISDIN Fusion Water and Heliocare 360 Water Gel at slightly more accessible pricing. |
