How do I choose the right vitamin C Serum?

The Role Of Vitamin C Serums In Skin Care.

How do I choose the right vitamin C Serum?

right vitamin C Serum

One of the most important things we buy for our skincare routine is a vitamin serum. But before we get any old vitamin C serum, it’s important to know how to pick the right one for us. So, in this article, we’ll look at the six things that affect how is best vitamin C serum.

Vitamin C Type

In serums, the main types of vitamin C are L-ascorbic acid and derivatives of vitamin C.


  • Vitamins are most often used in their pure form.
  • Tends to be harsh and might not be good for skin that is very sensitive.
  • Degrades or spoils quickly.


  • Magnesium ascorbyl palmitate, tetra hexyldecyl ascorbate, sodium ascorbyl phosphate, and retinyl ascorbate are all derivatives that are often used.
  • When derivatives are taken in through the skin, they change into ascorbic acid.
  • Not as harsh on the skin as ascorbic acid. So, these are better for people with very sensitive skin.
  • They don’t go bad as quickly as ascorbic acid because they last longer.

Most people with sensitive skin should use L-ascorbic acid with a concentration of 5%. (though some people buy high as 10 percent ).

Overall, it is best to stay away from anything with 20–30% alcohol because that’s too much for skin that’s easily damaged.

vitamin C


Some research shows that we need a 10% concentration of vitamin C to see any benefits, while a 20% concentration allows us to absorb the most.

But as the concentration goes up, so can the harshness of the serum on the skin. So, if the user has sensitive skin, the user should be aware of this and use L-ascorbic acid in lower concentrations (about 5 percent).

Now, when vitamin C derivatives touch your skin, they change into ascorbic acid. And there isn’t a one-to-one match. This means that if a product has 5% of a derivative, it is not changed into 5% ascorbic acid.

Instead, you expect the value to be lower after the conversion. For example, you might only get 3 percent ascorbic acid from a 10 percent derivative.

Stabilizing Ingredients

Ascorbic acid, which is the pure form of vitamin C, is very unstable and oxidizes quickly when exposed to light and air.

So, when we are choosing a serum, make sure it has ingredients that keep it stable, such as:

  • Ferulic acid
  • Vitamin E (sometimes listed as tocopherol)

For the best results, most brands use both ferulic acid and vitamin E. So, read the list of ingredients, so you know what you’re getting.

Look for L-ascorbic acid and tocopherol, which stand for vitamins C and E, on the list of ingredients. Think of these as best friends who help your skin.

Vitamin E help in stabilizing vitamin C for maximum skin protection. Glutathione is another antioxidant that works well with vitamin C.

And while we’re talking about stabilisation, make sure your serum has a date on it that says when it will go bad. When you start to use it, pay attention to how it smells and what colour it is. If it smells bad or changes colour, you should throw it away.

Moisturizing Ingredients

No matter what kind of vitamin C you use, it can dry out your skin. So, a good serum should have some ingredients that hydrate and/or moisturise the skin.

Look for ingredients like:

  • hyaluronic acid.
  • Aloe vera gel or juice.
  • carrier oils like jojoba, grapeseed, olive, etc


Because vitamin C oxidizes easily when exposed to light and air. Instead of an air pump, look for a product that comes in a dark glass bottle with a medicine dropper.

This is what the perfect package of best vitamin C serum should have:

  • A bottle that is dark or see-through. Some brands also use a bottle that has UV protection built in.
  • A pump dispenser. This packing is better than the bottles with droppers because the dropper lets the serum come in contact with the outside world.
  • You can also use a tube. Some stores recommend putting the product in the fridge to make it last longer. A thoughtful brand will tell you how to store their serums on the label.

Expiring time.

Most of Best vitamin C serums are yellow, but if yours turns brown or dark orange, it’s gone bad, and you should throw it away. If your serum starts out clear and then turns yellow, that’s another sign that it’s losing its effectiveness because of oxidation.

pH Balance

So that the skin can take in vitamin C, the serum needs to have a pH that is pretty low and acidic. Some sources say that the best pH range for absorption is between 2 and 3.

The average pH of an adult is 5.7, so this is a lot lower. But if your skin isn’t too sensitive, you might be able to handle it. If have sensitive skin, on the other hand, you should use a product that is close to the skin’s normal pH. (in the 5 to 6 range).

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