Thalgo marine algae sachets contain our 100 micronized marine algae bath additive rich in minerals and vitamins it relieves muscular fatigue and poor circulation thalgo marine algae sachets helps weight loss and is a general tonic for the body a thalgo classic use 2 3 times weekly in a warm bath for 20 30 mins add water to form a remineralising rebalancing mask for face and body