The brand started with just one product, their Vitamin C Serum, but has since expanded to include a range of skincare products. However, the lack of lab testing doesn’t mean that you shouldn’t invest in a product, as 99% of skincare products do not undergo any testing for results.

What seems to be a true difference, though, is that the salt form is more stable, easier to formulate and cheaper so it pops up more often on the ingredient lists.We see a yellow hue starting to come in more for all serums and you can smell the “hot dog water” scent more. It could also be because they are worried about the potential for ascorbic acid to oxidize in the presence of water.

Parabens are a large group of preservatives which are used to prevent bacteria growing in cosmetic formulations. Frankly speaking, the two serums can’t possibly compare, as the SkinCeuticals’ is much richer, and the formula is better rounded than the Dr. Ascorbic acid is not stable in water and further dies a rapid death with exposure to light and oxygen. And I’ve also written about the best vitamin C alternatives for sensitive skin, if you happen to be too sensitive to handle pure l-ascorbic acid.Brenner’s Vitamin C serum over Timeless if you’re looking for a potentially decent dupe of the SkinCeuticals product. It’s often used together with ethylhexylglycerin as it nicely improves the preservative activity of phenoxyethanol. A skincare brand that offers affordable, effective products that are specially formulated to nourish and protect the skin's natural barrier.

Unlike most cases of Acne where bacteria is the culprit, Fungi is the culprit of Fungal Acne (Hence the name! GUARANTEE OR YOUR MONEY BACK: Our Vitamin C serum comes with a 60 days money back grantee, no questions asked. Keep in mind that you would need to apply any topical skincare targetted at hypigmentation consistently for a couple of months to get a result.In fact, any vitamin C-based serum is best to be in the mornings as it helps protect the skin against sun damage when applying an SPF after the serum. Either the products that worked were too expensive and not in the budget or they simply didn’t work.