Vitamin C is derived from oranges so it makes sense that it would turn yellow, right? In reality, Vitamin C dissolved in water is perfectly clear. An orange-tinted serum is actually not a good thing at all! In a 2018 interview with image.ie dermatologist Dr.
Is vitamin C serum supposed to be clear?
Fresh active vitamin c serum should be clear or slightly whitish, but not yellow or brown. You can pay anywhere from $25 to $150 an ounce for a vitamin C product, and even the expensive brands oxidize if they're made from L-ascorbic acid.
What color should my vitamin C be?
“Your vitamin C serum should be colorless or a light straw color; if it oxidizes, it becomes yellow or brown and is likely going to be less effective.” You can still use it if you want, but it probably won't do as much for your skin and, “very rarely, oxidized vitamin C products can even cause slight yellow ...
Is yellow vitamin C still effective?
No. because the yellow-brown colour change is a visual sign of vitamin C chemistry. It shows that your vitamin C serum no longer just contains L-ascorbic acid, the skin active form of vitamin C.
What color should timeless vitamin C?
Fresh vitamin C serum should be clear or very pale yellow and should have little to no odor. As you begin to use the serum, opening the bottle and exposing it to light and air will cause the oxidation process to begin. Over time, you may notice the color getting slightly darker or the odor changing slightly.
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