Hey there JNC - I don't think a dark bottle would make enough difference to matter. There are several 'cautions' my supplier attaches to this ingredient: it's undependable in certain pH environments (it definitely hates a high pH, and if it gets below 5,5, it starts acting all kinds of weird too - but in a different way), it's heat-sensitive as well, so it really is a bucket of worms to work with. My supplier says it 'behaves best' as a part of a color powder mixture, where it adds color and adds a bit of antimicrobial action as well. Stands to reason: no heat, no liquids, no pH probs. Nonetheless, I want to get to know its limitations in emulsions and gels (just because I'm that curious)
Tak Rikke - man føler en bitte smule som en ingrediens-pioner når man eksperimentere så meget som jeg gør, og det er da en fornøjelse at nogen gider at følge med! Glæder mig at du gider at være med på en 'læser'
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JNC
Nonetheless, I want to get to know its limitations in emulsions and gels (just because I'm that curious)
Kh Rikke