This gradual brush is highly regarded in Brazil and has been used by renowned global actresses. It is free from formaldehyde and does not cause any irritation to the eyes. Additionally, it is compatible with all types of chemicals and provides a smooth finish of 100%. With an average of 15 applications per bottle, this product offers consistent raw materials and easy application. Its key ingredients include amino acids and glyoxyl. The package includes one 1L bottle of Wire Shielding for hair protection.