If you’ve been reading my blog posts and follow me on IG, you’ll notice one thing missing from my skincare regime. It’s Vitamin C.

First, I don’t enjoy Vitamin C serums turn brown due to oxidation. To think about my hard-earned money, and it turned bad easily, I don’t think so. And that oxidation process is obviously a destructive process, so if you put that on your skin, it will cause further skin damage. Ouch!

Second, Vitamin C is a great anti-oxidant, but it’s possible to become a pro-oxidant when in contact with metal/iron. Unfortunately nowadays, iron is a significant pollutant in the air and water (according to the FDA), and that means our skin comes in contact with iron every day. So, if we apply Vitamin C and our skin comes in contact with the air, it was like inviting problems to occur.

Last but not least, Vitamin C is one tough cookie to be mixed with others in the skincare ingredients list. It should never mix with AHA, BHA, Retinol, and Benzoyl Peroxide. If you’re a fan of layering skincare like me, better watch out and read ingredients list very carefully.

Moral of this post, my skin can’t take a topical Vitamin C, especially in concentrated serum format. It broke me out, caused redness and it tingled badly. So I did some research online, and I did find some interesting facts. Apparently, antioxidants in skincare are BAD when they are in concentrated form and disrupt the body’s natural ability to fight off bacteria.


  • Use Vitamin C in other format than serum for lighter percentage. Personally I use GOOD MOLECULES NIACINAMIDE BRIGHTENING TONER. It contains 2-O-Ethyl Ascorbic Acid (number 6 on the ingredients’ list), a quite stable form of Vitamin C
  • Try the serum as a dark spot treatment only. Resist the temptation to apply it all over the face. I had great success with GOODAL GREEN TANGERINE VITA C DARK SPOT SERUM, that helps to reduce the appearance of dark spots.