7 Day Hydration Treatment


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7 Day Hydration Treatment


This 7-day SOS course, concentrated in sève bleue des océans and Patented Micronised Marine Algae filtrate is enriched with a cocktail of 10 hydrating molecules and hyaluronic acid to replenish the thirstiest of skin. The skin is soothed immediately and feelings of tightness fade. After one week, the skin is as if transformed: fully hydrated, it glows with beauty.

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

95% origine naturelleYuka Excellent


.100%: Skin is more hydrated in an instant
.100%: Feelings of tightness and dehydration reduced
.94%: The skin is immediately soothed

.94%: Skin is visibly replenished and fully hydrated
.82%: Skin is as if transformed, glowing with beauty
.82%: The skin seems fortified

*Self-assessment by 17 volunteers who had used the 7 Day Hydration Treatment twice daily for 7 days (% of volunteers who agree and mostly agree with the claim).

Active Ingredients

  • Sève Bleue des Océans

    Sève bleue des océans, sea water drawn from a depth of 22 metres, super concentrated in marine manganese, with hydrating power.

  • Micronised Algae Filtrate

    Micronised Algae Filtrate, rich in 14 mineral and essential micro-nutrients for the skin, to fortify it every day.

  • High molecular weight Hyaluronic Acid

    High molecular weight Hyaluronic Acid, able to capture up to 1,000 times its weight in water, irrigates the surface of the skin in vital water, for instant hydration and a smooth epidermis.

  • Biomimetic NMF complex

    Biomimetic NMF complex, composed of 10 molecules that mimic the skin’s moisturising factors.


Aqua (Water). Propanediol. Maris Aqua (Sea Water). Glycerin. Xylitylglucoside. Pentylene Glycol. PPG-26-Buteth-26. Levulinic Acid. Sodium Hyaluronate. Urea. Anhydroxylitol. Glucose. Sodium PCA. Xylitol. Sodium Benzoate. Parfum (Fragrance). Fucus Vesiculosus Extract. Laminaria Digitata Extract. Glutamic Acid. Glycine. Lactic Acid. Lysine. Allantoin. Lithothamnion Calcareum Extract. PEG-40 Hydrogenated Castor Oil. Sodium Gluconate. Xanthan Gum. Sodium Hydroxide. Gluconolactone. Potassium Sorbate. Calcium Gluconate.

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

As a 7-day treatment course, apply a half-dose (1 vial = 2 applications) morning and evening. Close the vial after use using the resealable upper section.

To complete your beauty routine