Is Vitamin C Serum Good for Oily Skin? 5 Reasons Why You Should Try It

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Ever wondered if vitamin C serum is good for oily skin? I mean, a lot of times the products you buy aren’t worth it. They’re overly expensive, so why not just stick with your regular products and save money?

Well, the answer is yes. Vitamin C serum is a popular skincare product for people with oily skin because it can help balance oil production, reduce the appearance of breakouts and make pores appear smaller.

It’s also great for improving your overall skin tone and texture. This article explains why you should try vitamin C serum for oily skin. Keep reading to find out.

Benefits of Vitamin C Serum for Oily Skin

Vitamin C serum is an important product for oily skin. It’s the secret weapon that prevents your skin from producing excess oil and helps to maintain a youthful appearance. Here are some benefits of this amazing vitamin:

1. Oil Reduction

Oily skin results from an overproduction of sebum, which is produced by the sebaceous glands. Sebum is a natural moisturizer that keeps your skin soft and elastic. Too much sebum production, however, results in oily skin.

Being an antioxidant, vitamin C serum can help to reduce oiliness by reducing excess sebum secretion in your skin. It does this without any harsh chemicals and helps prevent further damage to your face, giving you a clearer complexion.

2. Acne Treatment

Acne appears when the pores in your skin get blocked by the oil secreted by your oil glands. This causes irritation and inflammation in your pores and results in the formation of pimples.

Applying vitamin C serum on your skin helps in unblocking these pores and also prevents further inflammation of the skin pores which is caused by acne.

Apart from this, vitamin C also has anti-microbial properties which help to cure and prevent acne-causing bacteria from spreading on your skin.

3. Reduced Pore Size

Pores are the natural openings in the skin. They allow substances to pass into and out of the skin, including sweat, oxygen, and sebum.

Your pores can become clogged with excess oil, dead skin cells, and bacteria. This can result in skin blemishes and blackheads. However, you can minimize the appearance of your pores by using a vitamin C serum.

Vitamin C is an antioxidant that has the unique ability to penetrate your skin. This allows it to work on a deeper level to contract collagen fibers, which in turn, reduces the size of your pores.

4. Strengthened Skin Barrier

Vitamin C supports the skin barrier, which is the outermost layer of your skin. This is important because damage to your skin barrier leaves your skin vulnerable to bacterial infection and antimicrobial infections.

Eliminating bacteria takes time, so you need to strengthen your skin barrier with products that support it — vitamin C serums are ideal for this purpose.

5. Improved Appearance of Acne Scars

Vitamin C serum works to reduce acne scars by increasing collagen production. Collagen is what gives skin its youthful appearance and elasticity.

Additionally, vitamin C serums can help exfoliate the top layer of dead skin cells, which can accumulate on the skin and cause discolorations. They also help stimulate blood flow to the surface of your skin, which allows acne scars to heal faster.

Other Ways Vitamin C Serum Can Benefit Your Skin

Increased collagen production

Collagen gives your skin its elasticity. When collagen levels go down due to age or certain products that you use, your skin loses its elasticity and firmness.

Vitamin C increases collagen production in your body, which leads to stronger, more youthful-looking skin.

Reduced free radicals damage

Vitamin C is a potent antioxidant, which means it protects the skin from free radical damage. Free radicals are caused by things such as pollution, stress, sun exposure, or even smoking.

They damage healthy cells in your skin, making you look older than you are. When applied topically, vitamin C can help fight these free radicals and improve your skin’s texture and firmness.

Reduced hyperpigmentation

This is a condition where patches of brown or black skin appear on different areas of your body when your melanin overproduces.

The result is ugly brown discoloration on parts of your face or body. With consistent usage of vitamin C serum, the discoloration on your skin will eventually fade away, giving you even-toned and younger-looking skin.

Improved healing

One of the most important functions of vitamin C is in wound healing. When there are injuries on your skin or tissues deep down in the body, vitamin C is consumed to help heal your wounds so you can feel better.

Fewer signs of aging

Vitamin C also helps with collagen production. Collagen is a protein that keeps your skin strong and supple. A lack of collagen can lead to sagging skin and wrinkles.

Research has shown vitamin C to help with collagen production, so it not only protects you from outside sources of damage but also helps prevent the natural decline of collagen over time.

How to Choose a Vitamin C Serum for Oily Skin

Choosing a vitamin C serum can be confusing with the number of different ones on the market. Here are a few things to keep in mind when shopping for a vitamin C serum:


Vitamin C serums come in a variety of concentrations, such as 10%, 50%, 80%, and even 100%. When choosing your vitamin C serum, choose one that has at least 15% L-ascorbic acid (vitamin C).

This concentration is optimal for treating oily skin and also helps reduce aging signs and hyperpigmentation. When used properly, you should begin to see results within two weeks of using it daily.

pH level

A good vitamin C serum will have a pH range of 2-3 to be effective on oily skin types. The higher the pH, the more effective the product will be at reducing oiliness and blemishes on oily skin.

Water-based or oil-based

There are two types of vitamin C serums: oil-based and water-based. Oil-based serums contain more oil, so they’re great for dull complexions or people with dry skin.

Water-based serums are very lightweight and absorb quickly into the skin. They’re ideal for oily, acne-prone skin types because they don’t clog pores.

Active ingredients

Some manufacturers add additional ingredients to their products. These ingredients are supposed to improve the overall efficacy of the product and make it more effective than using pure vitamin C serum with no additional ingredients.

For example, some products contain hyaluronic acid which helps in retaining moisture in your skin. This is perfect for oily skin types because it can increase your moisture level and help balance oil production.


Vitamin C is highly unstable and can’t be stored for long periods without losing its effectiveness.

So when choosing a vitamin C serum, make sure it’s packaged properly to ensure that it gives you the best results and you get your money’s worth. Also, pay attention to the expiration date on the bottle; most serums have a shelf life of 1 year.

How Should You Use Vitamin C Serum?

  • Cleanse your face by using a cleansing product and warm water. The cleanser will remove all of your makeup, dirt, and oil from the day.
  • Squeeze a few drops of vitamin C serum to your face, then massage the serum into your skin in circular motions (this will help to stimulate blood flow).
  • Wait for 10 minutes before applying an oil-free moisturizer to your face. Moisturizers lock in moisture while keeping your skin hydrated.
  • Apply sunscreen to protect against UV rays that can damage your skin.
  • Apply makeup if desired.

Vitamin C Serum Side Effects

Depending upon your sensitivity to vitamin C, you may experience side effects such as redness, dryness, irritation, and dark spots. These side effects should go away in a few days if you keep using the serum.

The reason some people experience side effects from vitamin C is that they do not use the right concentration or are applying it incorrectly. If you are not sure how to use vitamin C serum, consult with a dermatologist before trying it out on your own.


How do you know if vitamin C serum is working?

Visible changes on the skin. The best way to tell if your Vitamin C serum is effective is by looking for changes in the texture and tone of your skin.

However, keep in mind that it is normal for vitamin C serums to take months before you can truly see a difference. Also, make sure to follow all directions carefully, as this is also a good indicator of how effective the product is going to be.

How often should you use vitamin C serum?

Twice a day. Ensure to use vitamin C serum twice a day (once in the morning and once at night) for the best results.

Using it more than twice a day may not provide better results and may even cause irritations to your skin. By using this product two times a day, your skin will be healthier and you will feel better about yourself.

Is vitamin C serum good for acne?

Yes, it is. Treating acne with vitamin C serum is beneficial to your overall skin health and also helps prevent the appearance of new blemishes.

Vitamin C is an effective anti-acne ingredient that can help clear up acne scars and blemishes. Using it alongside other skincare products, such as a cleanser, toner, and moisturizer is one of the best ways to fight acne.


Vitamin C serum is an excellent product for oily skin. If used regularly (as directed), it can help balance oil production, reduce the appearance of breakouts and make pores appear smaller by clearing clogged pores.

It’s also great for reducing wrinkles and fine lines, supporting your skin barrier, and improving your overall skin tone and texture. So, if you’re someone who struggles with oily skin, vitamin C serums are worth a try.

Thanks for reading.

Serum101 provides you with helpful articles to know more about vitamin C serums and other skincare products.