Marine seaweed sachets for a thalasso-style bath at home
Thalgo Les Essentiels Marins Marine Sea Weeds Sachets is a pack of 10 single-use sachets of marine seaweed from Thalgo's Les Essentiels Marins range, meant to be dissolved in a warm bath to bring a thalassotherapy-style soak into an everyday routine. It fits Thalgo's core identity as a marine-based skincare brand built on seaweed and sea-water extracts.
How it works
Each sachet holds dried, milled seaweed that disperses in warm bath water, releasing minerals and a light marine scent as it soaks.
Who it suits
- Anyone wanting a spa-style soak at home
- Winding down in the evening with a warm bath
- Pairing with the range's shower gel and scrub
- A weekly ritual rather than a daily step
Worth knowing before you buy: This is a bath soak for comfort and relaxation, not a treatment for a specific skin concern; very sensitive or broken skin should be cautious with any bath additive.
Complete the routine

Marine Shower Gel
From the same range, for everyday showers.
Shop →
Revitalising Marine Scrub
To exfoliate before a seaweed bath soak.
Shop →Characteristics
- Format: 10 single-use bath sachets
- Skin type: all skin types
- Concerns: relaxation, a spa-style soak at home
- When to apply: as needed, in a warm bath
- Main benefits: releases minerals and a marine scent into bath water
How to use
Run a warm bath and empty one sachet's contents into the water, dispersing it as the bath fills. Soak for 15 to 20 minutes.
Active ingredients
- Marine seaweed: releases minerals into bath water
Manufacturer information
Brand: BLC Thalgo Cosmetic S.A.
Address: Domaine des Châtaigniers, 83520 Roquebrune-sur-Argens, France
EAN: 3525801692805
