A technical description of the substances that are part of TM “FESTA” gel for rust and limescale removal.
| Common chemical name of the substance | Mass fraction rate, % | Registration number, established by Chemical Abstracts Service | Name according to INCI |
| Citric acid | 5-10 | 77-92-9 | Citric Acid |
| Neonol 9-12 | 1-5 | 9016-45-9 | - |
| Hydroxymethylcellulose | 0,1-1 | - | Hydroxymethylcellulose |
| Sodium citrate | 0,1-1 | 68-04-2 | Natrii citras |
| Odorizer | 0,1 | - | Perfume |
| Aqua | > 10 | 7647-14-5 | Aqua |