75.00 CHF

27 ml
All skin types.
Global Anti-Aging Serum.

Benefits: (1) Firms the skin, (2)Protects cells from free radicals, (3)Visibly reduces pigmentation spots, (4)Stimulates collagen and elastin synthesis

Actives: Pure Vitamin C, i.e. in its L-Ascorbic Acid form – pH ≈ 3,5

Pure Vitamin C, i.e. in its L-Ascorbic Acid form, is acclaimed by skin care professionals for its clinically proven results.

However, in contact with air, water or light, Vitamin C oxidizes very easily, thus losing its effectiveness.


What makes the difference:

To guarantee all its freshness and to free itself from the chemical solvents used by the cosmetic industry to improve its stability, Physiodermie conditioned the pure Vitamin C in the form of powder in a stick. This one is to be poured at the time of the opening in a serum containing hyaluronic acid. Once reconstituted, the serum is stable for at least 1 month, thus offering all the performance of pure Vitamin C concentrated at 15% for the duration of the treatment.

How to use

Morning and evening, apply a half-pipette to the face, neck, décolleté and the back of the hands after thorough cleansing, gently tapping.

Then apply the Emulsion adapted to your skin.

Aqua (Water), Vaccinium Macrocarpon (Cranberry) Fruit Water* (Masking Agent), Ascorbic Acid (Skin Conditioning Agent), Sodium Citrate (Chelating Agent), Sodium Hyaluronate (Skin Conditioning Agent), Salicylic Acid (Skin Conditioning Agent), Glycerin (Humectant), Xanthan Gum (Viscosity Agent), Benzyl Alcohol (Preservative), Sorbic Acid (Preservative).

COSMOS ORGANIC certified by Ecocert Greenlife according to COSMOS standard.
*ingredient from Organic Farming
20% of the total ingredients are from Organic Farming.
99% natural origin of total.

Vitamin C (L-Ascorbic Acid) : 

– Hyperpigmentation / melasma / brown spots: Vitamin C can help reduce these problems and is one of the best depigmentation agents. There are two main types of depigmenting substances: those that are toxic to the melanocyte (non-ideal) and those that interrupt the key steps of melanogenesis (ideal). Vitamin C belongs to the latter category of depigmenting agents. It interrupts the key stages of melanogenesis by inhibiting melanin production. Specifically, it interacts with copper ions at the active site of tyrosinase, which then inhibits the action of the tyrosinase enzyme, thereby decreasing melanin formation. 1

– Collagen synthesis: It has been shown that vitamin C influences the quantitative synthesis of collagen in addition to stimulating qualitative changes in the collagen molecule. It has also been shown that vitamin C contributes to the stability of collagen, called collagen hydroxylation, and this process increases the support of the epidermis, hence the firming function. Stable collagen is less likely to be destroyed by environmental stressors.
Vitamin C helps activate collagen gene expression. This was observed in a 2009 study by Duarte et al, where vitamin C played a key role in stimulating DNA repair in cultured fibroblasts.
In summary, vitamin C plays several key roles in collagen production.2,3

– Antioxidant action: Vitamin C protects the skin from oxidative stress. It does this by donating electrons to neutralize free radicals, thus stopping the cascade of damage that these destructive molecules cause. Antioxidants are needed to neutralize the free radicals formed by UV exposure. It is important to note that vitamin C is as effective against UVB as it is against UVA. Sunscreens only block 55% of the free radicals produced by UV exposure. To maximize UV protection, it is important to use sunscreens in combination with a topical antioxidant. Vitamin C does not absorb UV light but exerts a protective effect against UV by neutralizing free radicals, whereas this effect is not observed with sunscreens. Under laboratory conditions, 10% topical vitamin C has been shown to statistically reduce UVB-induced erythema by 52% and sunburn by 40-60%1.

Hyaluronic Acid (natural synthesis from natural sugar (wheat)) :

“Made up of small molecules, Low Molecular Weight Hyaluronic acid penetrates the skin deeper. These fine molecules penetrate more easily into the dermis. They make it possible to connect deep collagen production, stimulate cellular activity, plump the skin and prevent sagging skin. Thus, they indulged in deep hydration, a reduction in the appearance of the rides, a slowing down of the aging process of the skin. They help make the skin firmer.”1

“Hyaluronic Acid of High Molecular Weight forms a protective film and retains water on the surface of the skin. Thus, it is distinguished by an excellent moisturizing effect that gives the skin a smooth and silky appearance.”1

1  Clinical efficacy of 25% L-ascorbic acid (C’ensil) in the treatment of melasma. Seon-Wook Hwang et al.

2 Gene expression profiling reveals new protective roles for vitamin C in human skin cells. Tiago L Duarte et al.

3 Vitamin C in dermatology –  Pumori Saokar Telang

4 Dr Forat (2019). Qu’est-ce que l’acide hyaluronique ? [online]. Available at:


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