Cosmetics Formulation Development

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I'll try to mix it with acne - Salicylic Acid ( BHA ) - Isopentyldiol - Ichthammol - Shea Butter (Melt) 1. We can Can I mix all of this together without สารกันเสีย ? สารกันเสีย and don't use cream maker, want shea butter is the main character because it is seen that the rate of use is 1-100% 2. We can use Ichthammol mix alcohol or oil alone? yes Thank you

Hello,

I'll try to mix it with acne - Salicylic Acid ( BHA ) - Isopentyldiol - Ichthammol - Shea Butter (Melt) 1. Can we mix all of this together without สารกันเสีย ? สารกันเสีย and don't use cream maker, want shea butter is the main one because I see the rate of use 1-100%

Failed Salicylic Acid + Isopentyldiol can dissolve together Ichthammol + shea butter can be melted together, but top and bottom are not compatible. In case of wanting to mix together There must be a binder, as well as a problem of sludge formation. Salicylic Acid because the substance is a powder that cannot be dissolved in oil or water.

2. We can use Ichthammol mixed with alcohol or oil alone. Can it be right?

Can it be dispersed in oil?