Can you please share how long was the color of propanediol extract of strawberry stable? I recently made one, and was wondering if can I add it in my gel face serum to give it a nice color?
HI K Ali - Thanks for your question! The stability of the color is going to depend on a few things - what the ingredient is combined with, pH of the final product, storage, packaging and more. Just packaged and standing in my ingredients fridge, the color of my glycerites and propanediol infusions is generally stable for about 3-4 months - sometimes up to 6 months. If your gel -serum is packaged in a light-proof container, you will have longer stability than if it is exposed to light. I wish there was a cut and dry answer for this kind of question, but unfortunately there is generally a lot of 'it depends' involved. You might try doing a few small side by side batches to see what you have the best result with as to color stability. Best of luck with it!
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