Ingredient Deep Dives: Vitamin C

If you asked a dermatologist for a list of the best ingredients for skin, vitamin C might be at the top.

Few ingredients are better for brightening skin, protecting it against aggressors, and addressing signs of aging. Another part of its appeal? “It’s great for all skin types and ages,” says New York dermatologist Dr. Anne Chapas.

Here’s everything you need to know about the benefits of vitamin C for skin: Including how to choose the best formula, when to apply it, and exactly what this all-star vitamin can do for your skin.

Get ready to glow!

What is Vitamin C?

Vitamin C, which also goes by ascorbic acid and L-ascorbic acid, is a multi-purpose molecule proven to help protect, brighten, and firm the skin. Vitamin C is a vitamin that isn’t actually produced by the body. Instead, the only way to get it is through supplements or your diet — citrus fruits like oranges are famously rich in vitamin C.

What are the Benefits?

In short: EVERYTHING.

For one, vitamin C promotes collagen production, which has the potential to thicken the dermis, diminish fine lines, and is essential for firm, youthful skin. On top of that, vitamin C is an antioxidant, meaning it protects skin cells from damaging free radicals caused by UV exposure.

It also inhibits melanin production in the skin, which helps to lighten hyperpigmentation and brown spots, even out skin tone, and enhance skin radiance. Finally, vitamin C helps to repair damage from sun exposure and collagen loss by encouraging healthy cell turnover and regeneration.

Where can you find them?

You’ll find vitamin C in everything from cleansers to serums to facial peels. This ingredient comes in different strengths and concentrations meaning that all skin types—even sensitive or problem complexions—can enjoy its benefits. While it can be applied daily, start with 3-4 times a week if you like to play it safe and work your way up.

When & How to use them?

Apply vitamin C as a serum in the mornings and nights — that is, after cleansing and before applying moisturizer and sunscreen (for day time).

? Dermatologists once suggest that the best vitamin C skin care products are serums, because they are more effective at penetrating the skin barrier than a cream or toner.

Then, be patient. Most skin care products take time to start working, and vitamin C takes a little longer, even with daily use. You won’t notice any significant changes in your skin for six to eight weeks. If you have sensitive skin, do a skin test first, as the high acidity can be irritating.

Better Match with:

You can maximize the benefits of vitamin C by combining it with other antioxidants.

Vitamin E & Ferulic Acid : Together, they have optimal absorption benefits when it comes to anti-aging, skin brightening, and protection against free radical damage.

Vitamin B & Hyaluronic Acid : Hyaluronic acid and vitamin C are commonly used together because they complement each other to hydrate, protect, and repair aging skin.

There’s one more reason the ingredients are often paired: Too much vitamin C can be irritating, trigger dryness, and even cause acne breakouts in certain skin types. Hyaluronic acid is a great addition to vitamin C because it does not overwork the skin. Rather, it nourishes skin by helping to create a moisture barrier, and it allows the skin to heal.

?Tips:

⛅Vitamin C becomes less effective when exposed to light, so it’s important to give it time to absorb into your skin before going outside. You don’t need to wait a specific amount of time—as long as it’s absorbed, you’re good to go.

⛅In topical skin-care products, vitamin C is sensitive to light and air. When exposed to these factors, it becomes oxidized to dehydroascorbic acid, which is less stable and less efficacious. So make sure to store them away from direct sunlight in a cool, dark place (not your steamy bathroom).

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