Cosmo Clarifying Shampoo is the preparing step for your COSMO9 Hair treatment and cleans your hair and scalp profoundly removing dirt, traces of heavy metals and minerals that accumulates on your hair and scalp over time. This product can also be used on weekly or monthly basis to clean the scalp and remove chemicals and hard water deposits from your hair. It can be used on all kinds of hair, including chemically treated hair. 
 
And formaldehyde free