ISDIN vs Sesderma — side by side, no bias.
Our pick
Isdinceutics Retinal Intense
9/10 · ISDIN
| Isdinceutics Retinal Intense | C-Vit Radiance Fluid | |
|---|---|---|
| Brand | ISDIN | Sesderma |
| Category | serum | serum |
| Editor Rating | 9/10 ★ | 8.6/10 |
| Category | serum | serum |
| Texture | Concentrated serum | Liposomal fluid |
| Finish | Smooth, absorbed | Glowy |
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| Verdict | ISDIN's retinaldehyde powerhouse — a step above retinol in the vitamin A hierarchy. Retinal (retinaldehyde) converts to retinoic acid in one step instead of two, meaning faster results with less irritation than prescription tretinoin. ISDIN pairs it with HPR (hydroxypinacolone retinoate) for a dual-retinoid approach, plus bakuchiol as a botanical synergist and hyaluronic acid for hydration. The Spanish derm brand's most serious anti-aging product. | Sesderma's C-Vit line built the brand's reputation, and the Radiance Fluid is the modern flagship. Liposomal vitamin C (ascorbic acid encapsulated in lecithin liposomes for stability) plus vitamin E for synergy and ginkgo biloba for circulation/microvascular support. Sodium hyaluronate buffers hydration. Cosmetic biotech at Spanish pharmacy pricing — €44 for liposomal C is genuinely competitive globally. |
