An inorganic copper salt used as a skin-conditioning ingredient.
What it is
Copper sulfate is the copper(II) salt of sulfuric acid, a water-soluble compound that is blue in its common hydrated form. CosIng lists it as a skin-conditioning agent.
Where it is used
Found in a small number of skin care products, such as creams, serums and cleansers.
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 whether the anhydrous or hydrated form was used.
Functions
- Skin conditioning
- Maintaining the skin in good condition.
EU regulation
This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.

