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Re: L-Glutathione Reduced recrylstalized after few weeks?

Hi. I tried some method but it is still not very effective. I made a simple batch: Water qs Ethoxydiglycol 20% L-Glutathione : 1% It doesnt dissolve completely. The water content should be enough for dissolving Extrasol, according to your file. PH is 7.0 What is wrong?
by sebnguyen1108
Thu Dec 27, 2018 5:07 pm
 
Forum: Cosmetics Formulation Development
Topic: L-Glutathione Reduced recrylstalized after few weeks?
Replies: 3
Views: 999

L-Glutathione Reduced recrylstalized after few weeks?

Hi. I made a recipe of 15% ascorbic acid and 0.5% Ferulic and 1% L-Glutathione Reduced (Extrasol) with 30% Glycols of Ethoxydiglycol and Propanediol . The final PH is 3.1-3.4 and the preservative is Phenoxyethanol & Ethylhexylglycerin . At first, it is quite difficult to dissolve Extrasol completely...
by sebnguyen1108
Sun Sep 09, 2018 5:08 pm
 
Forum: Cosmetics Formulation Development
Topic: L-Glutathione Reduced recrylstalized after few weeks?
Replies: 3
Views: 999

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