It is a specially made product that inflates, dissolves and removes dirt instantly so that it can be easily rinsed with water and leaves the rim easy to dry and spotless, without spots, residues, side effects, etc.

Manual:
Dissolve 2-3% of the contents in 100 parts water (plastic container) and using a sponge, cloth, brush or brush, spread and lightly rub the solution on the surface in question. Rinse with water.
 
Remarks:
It also works in diluting up to 20 parts of water for touchless. Avoid the sun when washing.