The dosage with hydrogen peroxide is 1 to 2 (hydrogen peroxide) and it is recommended to use Echosline hydrogen peroxide. The waiting time is from 15 to 50 minutes. It depends on the volume of hydrogen peroxide 10, 20, 30, 40 that you have used and the tones you want to lighten.
WARNING: When using technical products, you should always wear gloves. Also, avoid contact with eyes and ventilate your space well. You should always work 1 millimeter away from the scalp to prevent any irritations and redness. You should always perform an allergy test 48 hours before using the product. Apply a small amount behind the ear and on the pulses above the palm. After 48 hours you can use the product normally. It is not recommended for use by individuals who do not have knowledge of these technical applications.
