Cosmetics Formulation Development

Formula แชมพูเปลี่ยนสีผม Use HPMC type 5000 or 12000, Water to complete 100% surfactant Amphoteric eg Coco-Foam™ (Cocamidopropyl Hydroxysultaine) 20% Hydroxypropyl Methylcellulose (Generating gel)  1.0% Benzophenone-4 (Prevents color deterioration when exposed to light) 0.2% ColorFix™ (ช่วยให้สีผม ติดดียิ่งขึ้น) 0.6% Mild Preserved Eco 1% Color SemiColor0.2% add Triethanolamine adjusted the pH to approximately 9.

Hello, it can be used for both types. Type 5000 gives the viscosity (at the same rate % usage) less than 12000 but the solubility will be easier.

This one can be used เปลี่ยนสีผม in normal person. right? Or can it be used only for gray hair? How to use it, how many minutes should I leave it in the pool?

Hello, in case the formula doesn't bite สีผม first, can not be dyed for give tone สีผม can be changed, must For use with white hair only.

1. In case of wanting to get Coke color (For example, of Phum Prueksa) which color should be used? 2. How many minutes do you leave the pool? 3. After the recipe is finished, how do you use it? how much

How many minutes should I leave the pool?