What Is Vitamin C Serum Good For? 11 Reasons Why You Need It in Your Life

Share this:

Vitamin C serum is a skincare product often recommended by many skincare experts. It’s generally used to help improve the complexion of the skin, which is why it’s often marketed as a “miracle elixir” for all things related to beauty.

So what is it good for? Vitamin C serum can help to fight aging signs, reduce redness and inflammation, and treat a variety of skin conditions. It’s mostly important because it can help protect your skin against environmental damage.

This article explains what vitamin C serum is, its beauty benefits, how to incorporate it into your daily routine, and more. Keep reading to find out.

What Is Vitamin C Serum?

Vitamin C serum is a skincare product formulated with a high concentration of vitamin C that helps prevent the harmful effects of free radicals on your skin. It also increases collagen levels, giving your skin a more youthful appearance.

“Not only does it help prevent premature aging, but vitamin C also helps to provide protection against sun damage and pollutants,” Dr. Julie Russak, a board-certified dermatologist says.

According to him, using vitamin C serum is an excellent way to increase elasticity, reduce skin issues and improve the overall appearance of your skin.

Here are some of the benefits you can expect from applying a vitamin C serum every day:

1. Fewer Signs of Aging

When applied to the skin, vitamin C serum can help reduce signs of aging, because it helps build collagen in the skin. This process reduces the aging process because collagen keeps our skin firm and healthy-looking.

Moreover, vitamin C is an antioxidant that can help improve skin texture by protecting it from free radicals and oxidative damage. It also promotes cell turnover in the skin, which helps keep it looking young and healthy.

2. Treats Hyperpigmentation

Hyperpigmentation is characterized by the excessive build-up of melanin (skin pigment) in the skin cells. Vitamin C is an effective treatment for this condition because it helps reduce the production of melanin in affected areas.

“Its ability to increase collagen synthesis also helps to fade discolorations like dark spots while leaving your skin feeling smoother, softer, and firmer,” Russak says.

3. Reduced Inflammation and Redness

Inflammation happens when the body’s immune system reacts to environmental irritants or damage. It often results in redness on the skin, which goes away quickly or lingers on for long periods of time.

Vitamin C serums help reduce inflammation and redness by providing protection against environmental stressors such as UV light, cigarette smoke, and air pollution.

4. Acne Treatment

If you don’t want to take medication or use over-the-counter products, you can try using vitamin C serum for acne. You can apply this serum directly to your face and will help keep your face clear of breakouts.

Vitamins C serums have been shown to help prevent acne by blocking sebum (oil) production. Besides reducing oil production, they are also effective at shrinking pores and reducing acne-induced inflammations.

5. Protection Against Free Radicals Damage

There are many types of serums available, but vitamin C is one of the most popular because it can protect your skin from free radicals.

These free radicals are unhealthy molecules that can cause damage to your skin, leading to dryness and even premature aging. They also slow down collagen production and break down elastin, making your skin more prone to sagging.

By using a vitamin C serum regularly, you can help prevent these damaging effects from occurring. As a result, your skin becomes firmer, more hydrated, and more beautiful.

6. Hydrated Skin

Not only does vitamin C help keep your complexion looking great by fighting signs of aging, but it can also help prevent moisture loss due to environmental factors such as free radicals, or dry air.

Additionally, vitamin C serums help hydrate the skin by increasing the amount of water that binds to its surface, which increases suppleness and reduces roughness.

7. Balanced Oil Production

Even if you don’t have oily skin, you can still benefit from using a vitamin C serum to help balance oil production. This serum helps balance oil on the skin, which is perfect if you want to keep your complexion clear and fresh-looking.

According to the Linus Pauling Institute, vitamin C also helps improve your skin’s hydration and texture, so it will be more resistant to breakouts and excess oil production.

8. Sun Protection

The antioxidants in vitamin C help the skin fight off UV rays that can cause premature aging and wrinkles. It also helps repair DNA damage and can reverse sun damage such as age spots or fine lines.

“However, vitamin C serum is not a replacement for your regular sunscreen. It is important for anyone who spends time in the sun to use sunscreen with an SPF of at least 15”, Dr. Russak says.

9. Increased Collagen Production

Collagen is the main protein in connective tissue that promotes skin elasticity and prevents wrinkles. Its production decreases with age, leaving you vulnerable to various health problems.

Studies have shown vitamin C to increase collagen production at a cellular level by increasing the production of procollagen molecules. Over time, this leads to a better quality of life through healthier-looking skin.

10. Fast Relief for Sunburns

Sunburn occurs when the UV radiation in sunlight damages the skin, causing it to turn red and sting or burn. Despite its severity, you can treat sunburns with topical treatments like your vitamin C serum.

Being an antioxidant, vitamin C can help your skin heal after it has already been damaged by ultraviolet rays. It does this by activating collagen production and increasing hydration in skin cells.

11. Faster Wound Healing

Using a vitamin C serum regularly can help heal injuries on the surface of your skin or deep down your skin tissues. That is because vitamin C plays a vital role in collagen synthesis and prevents oxidative damage to cells.

Studies have also shown that vitamin C can help increase the absorption rate of iron, which is another nutrient known for promoting the healing of cuts and wounds.

When Should You Use Vitamin C Serum?

Vitamin C serum should be an essential part of your AM and PM routine. But the best time to use this serum is during the day because vitamin C is a very effective antioxidant.

‘This means it can help protect your skin from toxins, pollution, cigarette smoke, UV radiations, and other harmful factors you’re exposed to during the day”, Dr. Saurabh Lodha, a board-certified dermatologist explains.

Apply this serum in the morning, right after cleansing your face, but before applying moisturizer and other products in your skincare regimen. That way, it won’t get mixed up with any products that may cause it to lose potency.

However, you can skip using this serum in the morning if you have sensitive skin so it doesn’t irritate your skin. Put it on at night instead.

Do You Need to Refrigerate Vitamin C Serum?

Storing your serum in a refrigerator is an excellent way to maintain both stability and effectiveness of your vitamin. This serum needs to be completely cooled because it loses its potency after exposure to higher temperatures.

“When you keep your vitamin C serum in the refrigerator, the solution will maintain its potency for up to six months,” Lodha says. According to him, it’s important that you store your serum below 35 degrees Fahrenheit.

If no temperature is provided on the product label, this means that the company recommends storing it at room temperature. This is usually between 68 and 76 degrees Fahrenheit (20-24 degrees Celsius).

Risks and Cautions

Vitamin C serum is one of the most popular products in skincare because it’s highly effective at brightening skin and reversing signs of aging, but it’s not for everyone.

You should never apply vitamin C serum when your skin is torn or injured because it may cause irritation. Moreover, people who have sensitive skin should steer clear of this serum because it has the potential to be too harsh on their skin.

It’s also not advisable for pregnant or breastfeeding women because of its safety record with unborn children. And lastly, if you have allergic reactions to vitamin C, then it’s best to stay away from this type of product.

How to Use Vitamin C Serum on the Face

  • Cleanse your face with a gentle cleanser then apply a toner after.
  • Take the dropper and squeeze 1 or 2 drops on your face.
  • Using your fingertips, massage the serum into your skin in an upward motion.
  • Leave it on your skin for 10 minutes or more for full absorption.
  • Apply a moisturizer and other skincare products such as sunscreen (if desired).

Tips for applying serum to your face:

  • Do a patch test before applying vitamin C serum to your face.
  • Apply a thin layer of the serum to your skin (not more than 2 drops).
  • Use only one hand when applying serum (only use two hands when necessary).
  • Put on moisturizer and lip balm after applying the serum to maintain moisture in your skin.
  • Store your serum in a cool, dry place to maintain its effectiveness.


How do you know if vitamin C serum is working?      

The best way to know if your serum is working is to see how your skin looks, feels, and responds to it. You can also go to a dermatologist for an assessment.

However, keep in mind that it takes approximately six weeks for vitamin C to work. It might take longer or less, but you can speed up this process by applying this serum twice a day.

Can vitamin C serum make you look younger?

Yes, it can. Vitamin C is an antioxidant that helps the body produce collagen, which is what keeps your skin looking healthy and youthful.

As an antioxidant, it can decrease wrinkles and improve skin firmness by protecting your collagen fibers from free radicals. Using this serum can also help diminish hyperpigmentation by boosting skin cell turnover rates.

Do you need vitamin C serum?

Yes, you do. Vitamin C serum is vital for any skincare routine because it’s packed with active vitamin C that helps improve the overall condition of your skin.

This serum can help to lighten dark spots on the skin, clear acne, keep the skin moisturized, and even reduce sun damage. Vitamin C is also an antioxidant that can help to fight free radical damage that causes aging.


Vitamin C is an antioxidant that helps the skin to maintain a healthy appearance. When applied as a serum, vitamin C can help to reduce the appearance of wrinkles and fine lines, fight acne, increase collagen production, and so much more.

Although it provides so many benefits, it is important to note that not everyone should use vitamin C serum. For instance, you can experience irritation from this serum if you have sensitive skin.

Pregnant or breastfeeding women should also avoid this product and should only use it after consulting with a dermatologist.

Thanks for reading.

Visit Serum101 to learn more about vitamin C serums and other skincare products.