What the brand claims
In the brand’s own words, quoted as written.
“Born from the untouched French Pyrenees, where ancient Roman warriors once sought renewal, Life Plankton™ Essence-In-Mask harnesses a unique living ingredient discovered by Dr. Joss Julien in 1952. Through Biotherm’s proprietary fermogenesis™ process, this potent ingredient is concentrated up to 400,000 times, delivering visible regeneration with just one application—leaving skin intensely hydrated, perfectly soothed, and glowing, with visibly smoother, younger-looking skin after eight days.”
Quoted from the Biotherm product page
We quote these claims without judging them here — the verdict above weighs them against the evidence further down this page.
Ingredients24 ingredients
The full INCI list, as published by the brand.
Where to buy
What we've checked so far
We publish what we have while the assessment is still queued, and we're upfront about what's missing.
What we looked at
- Full INCI list, cross-checked against the brand's published formula.
- 90-day price history across 1 retailers, excluding shipping.
- 4 external ratings aggregated from review sites and retailers.
What we did not look at
- Our formula assessment — queued, not yet run.
- Shipping costs — not yet in all retailer feeds.
- Corol community reviews — none submitted yet.
What buyers say elsewhere
4 ratings from external review sites and retailers — scores only, we don't republish their words. Corol community reviews haven't started yet.
External average
5.0/ 5
4 ratings · not part of the verdict
Corol community reviews open here — be the first.