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Brightening serum changed color
Hello everybody! A brightening serum I made changed color to orange. I believe it happened after I added N-Acetyl Glucosamine. I used to make the same formula without NAG and it didn’t change color. The texture and feel did not change. May I ask you to comment on whether the change of color signalises about a problem or it is safe to use? Thank you in advance.
Original formula:
Aqua - 78%
Vitamin C (magnesium ascorbyl phosphate) - 2%
Alpha-Arbutin - 2%
N-Acetyl Glucosamine - 3%
Hyaluronic Acid SLMW - 0.5%
Niacinamide - 6%
Hyaluronic acid HML - 0.5%
Allantoin - 0.5%
Propanediol 1,3 - 5%
T-Resveratrol Fluid (by makingcosmetics) - 1%
Dimethyl Isosorbide - 0.5%
Paraben DU (by makingcosmetics) - 0.5%
pH of the formula is 6.
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