Ground calcified red alga, used as an abrasive.
What it is
Lithothamnion calcareum powder is the powder obtained from the dried, ground red alga Lithothamnion calcareum, of the family Hapalidiaceae. This alga builds a hard skeleton of calcium carbonate, and its deposits are known as maerl. CosIng lists it as an abrasive.
Where it is used
Found in a small number of products, such as scrubs, masks and powders.
Limits of interpretation
The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.
The INCI name does not show the particle size of the powder.
Functions
- Abrasive
- Removing unwanted tissue or foreign materials from various body surfaces, including mechanical tooth cleaning and/or gloss improvement.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.