Cosmetics Formulation Development

สีของ Permanent Hair Cream

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Color of Permanent Hair Cream

Postby rit546 » Thu Jan 04, 2024 11:26 am

1. If I want the color of Permanent Hair Cream to be natural black or dark brown, how do I adjust it?

2. When finished mixing Permanent Hair Cream with Developer Solution 9%, can it be stored for a long time? Or when using, mix 1 : 1.5

thank you

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Re: Color of Permanent Hair Cream

Postby staff » Mon Feb 05, 2024 7:47 am


2. Mix when using. You cannot mix at all.

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