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Description
It also has an antiaging effect by increasing collagen synthesis, stabilizing collagen fibers, and decreasing collagen degradation

Of course, you can use it during the day too as Rosehip oil absorbs well
Vitamin E oil Vitamin E oil is a well known antioxidant and anti-aging ingredient
No water-based ingredients that might spoil and no preservatives needed

You should see your skin becoming brighter and more evenly toned due its vitamin C content

Most recipes, as expected, use ascorbic acid, because it is the most well known form of vitamin C