Color to orange, please choose keratin 5% formalin or others. Two methods choose the keratin.
Choose the kreatin follow where you are from? If you are Asian, European, please choose Form aldehyde free keratin. If you are in the middle East, please choose keratin 5% formalin or keratin 8% formalin. If you are a South American, please choose keratin 5% formalin or keratin 8% formalin.
If you are in Africa, please choose keratin keratin 8% formalin, or keratin 12% formalin. What level of curly and damage of your hair? Formaldehyde free for the lightest damage solution, and then is 5% / 8% / 12% formalin. For little curly hair (Formaldehyde free) / a little damaged. For normal curly hair (5% formalin)/ /some damaged. For deep curly hair (8% formalin) /more damaged. For very curly hair (12% formalin) / damaged a lot.