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Colour changing product
Hi, i’m looking to create a cosmetic product that changes colour when exposed to the heat from sunlight, is there a pigment that safe on the skin that i can use? Would i have to formulate a thermal pigment myself?
Thanks!
Hi, i’m looking to create a cosmetic product that changes colour when exposed to the heat from sunlight, is there a pigment that safe on the skin that i can use? Would i have to formulate a thermal pigment myself?
Thanks!
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