“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 . 28 апр. 2022 г.
Is vitamin C supposed to be yellow?
When in the vitamin C is in high concentration, the serum will have a yellowish color, but as it oxidizes, it will turn brown/orange. Cosmetic vitamin C preparations that have discolored should be discarded as they have already oxidized and cannot provide skin benefits.
Is vitamin C serum supposed to be white?
DO look at things like smell, color, and consistency of your vitamin C serum to make sure it hasn't oxidized. Color: Your serum should be white, clear, or a light champagne color. If the product is dark or cloudy in color, the serum may have oxidized and should be returned or gotten rid of.
Is vitamin C supposed to be clear?
A fresh, non-oxidised bottle of Vitamin C is typically clear (or sometimes light champagne yellow like SkinCeutical's C E Ferulic) with a thin consistency, but can degrade to dark yellow, orange, and in extreme cases down to muddy brown.
What is the color of vitamin C?
Vitamin C is a very pale yellow color in its liquid state and nearly odorless at the time it is manufactured. As time goes by, exposure to heat, light and air causes oxidation. It is only after going through the oxidative process that the serum changes its tint to a darker yellow then eventually orange.
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