Ask any beauty expert or dermatologist what they must have in their skin care routine, and here’s what you’ll hear: sunscreens, retinol, and vitamin C serums.

Why? It’s pretty simple. When used together, these three are the best chance for your skin to fight the visible signs of aging. Not only that, this holy trinity also promotes happy, healthy and well-functioning skin. You probably already have the best SPF moisturizer and you know which retinol serum is best for you, so now is the time to take a closer look at vitamin C.

What does Vitamin C Do?

Vitamin C is a huge multifunctional skin care professional. Stimulates collagen production, helps lighten dark spots and pigmentation, acts as an antioxidant, protects the skin from free radicals (premature aging of unstable molecules that cause oxidative stress in skin cells).

In addition, it is also a great anti-inflammatory agent, soothes the rough texture of the skin and gives the skin a natural glow (meaning that the best face serums containing vitamin C will allow you to avoid using even the best highlighter). .

How To Use Vitamin C In Your Skin Care Routine

Now let’s move on to the good things: how do you start using this ingredient to treat your skin? “You have to pay close attention to the shape and concentration you use on your skin,” says a consultant dermatologist and Mohs micrograph surgeon. St Johns Institute of Dermatology Dr. Emma Craythorne. The optimal concentration depends on its composition.

“In most cases, the concentration of a product must be greater than 8% for it to be biologically significant. Studies have shown that concentrations above 20% do not increase its biological significance but may cause irritation.

“As a result, the reputable vitamin C products available today range from 10 to 20 percent,” she continues. “Pure vitamin C is also known as L-ascorbic acid. It is the most effective form of vitamin C on the skin.

In short, vitamin C is a fairly strong active ingredient, so it’s worth letting your skin get used to it. But don’t be intimidated – just enter it slowly, applying it every couple of days and your skin should adjust. You can then gradually increase your usage.

However, vitamin C is highly unstable, which means that its effectiveness and strength are affected by factors such as light, air, and heat. It’s also a bit of a lone wolf and doesn’t always play nicely with certain other active ingredients. It is not recommended to pre-apply AHA or BHA tonic (something that contains salicylic or glycolic acid) as this can destabilize the pH of vitamin C and prevent it from working.

Ready to find your new hero serum? Below is a list of the best vitamin C sera available on the market, certified by our beauty editor. We were looking for products that absorb well into the skin, are in smart, vitamin C-friendly packaging (to prevent oxidation) and have an effective formula – does the percentage of vitamin C reduce mustard?

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