We are currently out of stock Echosline 10v, 20V , 30v and 40V, and new shipment is coming in end of Jan.
You may purchase the Synergy developers, they are made by the same company and can be mixed with Echos colors & blech.
Apologize for inconvenience caused
Synergy Activator Cream developers 1000ml 3%, 6%, 9%, 12% (Made in Italy)
We are currently out of the 20V 6%, and new shipment is coming in Jan.