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Fortifying Brow Gel T51: Now with only 20 ingredients including 1% pea peptides for fuller, natural brows.
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Fortifying Brow Gel T51: Now with only 20 ingredients including 1% pea peptides for fuller, natural brows.
Fortifying Brow Gel T51: 3 neutral shades for flexible, clump-free volume.

Fortifying Brow Gel T51: 3 neutral shades for flexible, clump-free volume.

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Vitamin C and its derivatives

Vitamin C, or ascorbic acid, is a potent antioxidant. It helps protect the skin against external aggressors like pollution and UV radiation, stimulates collagen production, and reduces the appearance of pigmentation spots. When used regularly, it brightens the complexion and improves skin texture. Learn more here about vitamin C and its various forms.
Temps effets vitamine C.
Vitamins
5 min of reading
How long does it take to see the results from using products containing Vitamin C?
Formes de vitamine C.
Vitamins
6 min of reading
What are the different forms of vitamin C?

Behind the term "vitamin C" there are actually several active ingredients. In fact, vitamin C exists in different forms that are not all created equal, especially in terms of efficacy, tolerability, and stability. What are the derivatives of vitamin C? How can you recognize them on INCI lists? Continue reading to find out.

What is the difference between the effects of Vitamin C and those of Resveratrol on the skin?
FAQ
2 min of reading
What is the difference between the effects of Vitamin C and those of Resveratrol on the skin?
Can we use glycolic acid and vitamin C at the same time during our beauty routine?
FAQ
1 min of reading
Can we use glycolic acid and vitamin C at the same time during our beauty routine?
Association vitamine C et niacinamide.
Vitamins
6 min of reading
Can combining Vitamin C and Niacinamide negate their respective effects?

Creating combinations of active ingredients can prove beneficial for the skin, where each ingredient offers a list of different advantages to enhance the skin's appearance. However, some mixtures can be delicate and incompatible, to the point of negating the effects or causing irritation and inflammation. Is this the case for niacinamide and vitamin C?

FAQ about vitamin c and its derivatives

What is the difference between ascorbic acid and other forms of vitamin C?

Ascorbic acid is the form of vitamin C that is the purest. While highly effective, other forms—such as ascorbyl glucoside—are more stable and better tolerated by sensitive skin.

Can you use vitamin C in the morning?

Yes, this is possible. Contrary to a widespread misconception, the vitamin C is not photosensitizing.

Can vitamin C help combat hyperpigmentation?

Yes, vitamin C can inhibit tyrosinase, the enzyme responsible for melanin production, which helps reduce brown spots and even out skin tone.

How long does it typically take to observe measurable effects from vitamin C supplementation?

The duration of action of the vitamin C depends on the targeted concern: if it’s oxidative stress, only a few days, but for brown spots or wrinkles, it takes several months.

Can vitamin C replace sunscreen?

No, vitamin C cannot replace sunscreen, although its antioxidant action helps protect the skin from UV rays.

Is vitamin C incompatible with retinol?

Contrary to popular belief, vitamin C can be paired with retinol, but this combination may prove mildly irritating for sensitive skin.

What are the effects of vitamin C on skin laxity?

By neutralizing free radicals and stimulating collagen synthesis by fibroblasts, vitamin C helps prevent skin laxity.

Is vitamin C suitable for sensitive skin?

Because of its acidity, the vitamin C pure may be poorly tolerated by sensitive skin. This is one of the reasons why vitamin C derivatives are often used in cosmetics.

Does vitamin C help reduce dark circles and under‐eye bags?

Some studies suggest that vitamin C might help fade brown under-eye circles thanks to its brightening properties. However, it has no effect on vascular dark circles.

Does vitamin C have beneficial effects on hair?

Yes, the vitamin C is beneficial for hair. Although more research is needed to confirm this, some studies suggest it may slow hair graying and promote hair growth.

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