Intense Moisture-Quenching Serum


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Intense Moisture-Quenching Serum


This fresh, light serum is super concentrated in Ocean Blue Extract and patented micronised algae filtrate, and enriched with a Mediterranean Padina extract to quench the thirstiest skin. Immediately, the product seems to boost skin hydration. After 28 days, the skin is fully hydrated, as if replenished, in top shape.  

To offer even more naturality and reduce the environmental impact, THALGO MAKES A COMMITMENT:
- 95% natural origin ingredients
- Excellent on Yuka

95% origine naturelleYuka ExcellentVegan


.88%:  The product seems to instantly boost
skin hydration

.82%: The skin seems quenched

.88%: The skin is fully hydrated, as if replenished
.88%: The skin is in top shape

*Self-assessment by 17 volunteers who had used the Intense Moisture-Quenching Serum twice daily for 28 days (% of volunteers who agree and mostly agree with the claim).

Active Ingredients

  • Sève Bleue des Océans

    Sea water drawn from a depth of 22 metres, super concentrated in marine manganese, with hydrating power.

  • Micronised Algae Filtrate

    Rich in 14 minerals and micro-nutrients essential for skin, to revitalise and strengthen it every day.

  • Mediterranean Padina extract (Padina pavonica)

    Mediterranean Padina extract (Padina pavonica), a brown algae that intensively reactivates skin hydration


Aqua (Water). Propanediol. Glycerin. Maris Aqua (Sea Water). Xylitylglucoside. Anhydroxylitol. Xylitol. Aloe Barbadensis Leaf Juice. Beta-Glucan. Padina Pavonica Thallus Extract. Fucus Vesiculosus Extract. Laminaria Digitata Extract. Lithothamnion Calcareum Extract. Pentylene Glycol. PPG-26-Buteth-26. Xanthan Gum. Acrylates/C10-30 Alkyl Acrylate Crosspolymer. Parfum (Fragrance). PEG-40 Hydrogenated Castor Oil. Sodium Benzoate. 1,2-Hexanediol. Helianthus Annuus (Sunflower) Seed Oil. Caprylyl Glycol. Lecithin. Sodium Gluconate. Maltodextrin. Glucose. Sodium Hydroxide. Algin. Benzoic Acid. Sorbic Acid. Biosaccharide Gum-1. Tocopherol.

The lists of ingredients used in the composition of all THALGO products are regularly updated. Before using any THALGO product, we recommend that you read the list of ingredients on the packaging.

photo of the expert

Professional application gesture

Apply morning and evening to perfectly cleansed face and neck before skincare.

To complete your beauty routine

Associated Treatment

Source Marine Hydra-Fortifying Treatment

Find out more