The popularity of Vitamin C, which brightens and brightens the skin, has clearly increased in skin care in recent years, and no wonder - Vitamin C can have a rejuvenating effect on the skin and is also an essential part of the production of collagen that keeps skin tight.

Vitamin C is also useful in the treatment of pigment spots, although results are promised only after long, usually at least a year use.

  • Read more: Why does everyone want vitamin C on their skin now?

    The beauty effects of the hit substance are clear

We experimented with seven vitamin C-containing sera from different price ranges from different manufacturers.

It comes with inexpensive bottles, domestic cosmetics, fragrance-free pharmacy product as well as acclaimed luxury brands.

This is how sera work.

Unna Nordic Plant Vitamin C Treatment, 51 € / 20 ml

Rating: 1½ / 5

Promise: Vegan Finnish natural cosmetics.

The product has a Fi-Natura eco-certificate.

Suitable for adult skin that needs brightening, smoothing out color differences, glowing.

Brightens and renews.

Vitamin C content 10%.

For very sensitive skin, depending on the situation.

Experience: Expectations of the Finnish brand serum are high.

The course serum should be used within six weeks, but the small bottle has run out in almost four weeks.

The product is wonderfully light and makes the skin momentarily soft, so I use it in the morning and evening.

But its strong woody scent stays on the skin for an annoyingly long time, and during the course, the skin has not changed in exactly any direction.

Korres Wild Rose Dual Phase Vitamin C Treatment, 62 € / 30 ml

Rating: 2/5

Promise: The oil-water intensive treatment of the Greek pharmacy series contains 10% pure vitamin C and ingredients that brighten the skin and correct pigment changes.

Repairs and prevents signs of aging, fine lines and pigment changes caused by UV radiation.

Brightens the skin and makes its tone more even, leaving the skin soft and supple.

Experience: The first time, the serum seems super-dilute, but it’s completely my own fault.

You should have read the product information carefully.

The bottle should be shaken well before use to mix the oil well.

The blended mixture provides a thick mixture.

It is slowly absorbed even on dry skin and leaves a feeling that is too greasy, so this serum is not suitable for a person with busy morning make-up.

The scent is very rosy.

Skin Treat Brightening Vitamin C Face Elixir, € 19.90 / 30 ml

Rating: 2½ / 5

Promise: The Swedish series serum is rich in vitamin C from the cockatoo berry, which is said to be the most vitamin C-rich fruit in the world.

Smoothes, creates healthy-looking skin and glow instantly.

Experience: A really light and fast absorbing serum that is easy to use under makeup or applied in the evening before bed.

The scent is fresh, a bit like clean laundry.

Leaves a delicate audible surface on the skin for a moment, but otherwise the use of the month is not visible on the skin.

Aco Pure Glow Perfecting Serum, 16.50 € / 30 ml

Rating: 3/5

Promise: The Pharmacy Series Serum has been specially developed for adult, impure skin.

Contains plenty of active ingredients such as vitamins E and B3 and hyaluronic acid.

The light composition is quickly absorbed, gives the skin a natural glow, improves skin texture, effectively moisturizes the skin, evens out skin tone, reduces the visibility of skin pores as well as fine lines and wrinkles.

Unscented, dermatologically tested.

Experience: An affordable base serum that is lightweight but still effective enough.

Leaves a small glow on the skin and feels moisturized enough, but doesn’t bring any wow experience with regular use.

A special Plus about fragrance-free.

Oskia Get Up & Glow Radiance & Energy Booster, 81 € / 30 ml

Rating: 3½ / 5

Promise: Makes skin brighter, smoother and brighter.

Contains MSM, which stimulates collagen production and reduces the signs of aging.

Peptides strengthen the skin and protect against free radicals.

Light-reflecting particles glow the skin immediately.

Suitable for all skin types.

Experience: The serum that leaves skin shiny is questionable at first, but this becomes my third favorite on the test.

For the first time, the skin surface looks smoother and smoother.

The serum moisturizes adequately and acts as a booster for the look without makeup.

I also tried adding it to my makeup in the afternoon and got a more refreshing look in an instant.

Ole Henriksen Truth Banana Bright Vitamin C Serum, 89 € / 30 ml

Rating: 4/5

Promise: Brighter and more elastic skin in seven days.

Repels all signs of skin aging, graying, fine lines, wrinkles, liver spots and skin unevenness.

The acid cocktail contains 20 percent 15 percent vitamin C, 5 percent skin smoothing polyhydroxy acids, and skin moisturizing hyaluronic acid.

The composition is smooth, non-sticky and prolongs the life of makeup.

Experience: The aroma is freshly citrusy, and already sniffing brings a more refreshing feeling.

The composition is lighter than the test winner.

The results start to show after about a week of use.

This booster serum will become my second favorite.

After a few weeks, my skin is indeed more glowing and just as if there were a little less vague pigment changes than before.

Obagi Professional-C Serum 10%, 79 € / 30 ml

Rating: 4½ / 5

Promise: Absorbs deep into the skin and provides effective antioxidant protection that protects the skin from damage caused by UV radiation, smoothes hyperpigmentation and enhances collagen and elastin production.

Brightens, moisturizes and turns the skin into a ball.

Suitable for all skin types.

Experience: Obag serum is trusted by, among others, Japanese women who are famous for their smooth skin.

And no wonder: here’s a real power product that seems to work after just one night.

After a week of use, the skin tone also seems more even.

The composition of the product is not the lightest in the test, but neither is it the most oily.

It makes the surface of the skin clearly brighter and moisturizes well on dry areas of combination skin.

Photos: Manufacturers

We test cosmetics every Thursday.

Read previous test stories here.