Intensive Vitamin C Treatment
30 ml / 1.01 fl.oz.


Intensive Vitamin C Treatment
30 ml / 1.01 fl.oz.
€32,95 Regular price

This supercharged Vitamin C treatment includes a powerful antioxidant effect that is developed to provide optimum protection from free radicals, boost skin glow, and target imperfections from photoaging. Use this product if you are looking for visibly brighter, smoother, firmer and younger-looking skin.

In this formula we use three different types of Vitamin C. Why, you might ask? The answer is very simple: because the function of Vitamin C varies within the different layers of the skin, we use the necessary type of Vitamin C when and where it is needed.

There are many types of Vitamin C for skin care applications, and we have selected the most stable and pure to ensure it’s effectiveness within all layers of the skin. Need an explanation? Here you have it:

C-TETRA E.F. has been formulated with 10% Vitamin C Tetra, which is highly biocompatible and liposoluble. The fact that it is liposoluble allows this type of Vitamin C to be transported down into the deepest layers of the skin. Here, its action is focused on melanocytes (to treat blemishes from the inside) and on collagen synthesis (to prevent and fight wrinkles from the inside). The formula is complemented by Ascorbosilane and Ascorbyl Glucoside, two very stable and water-soluble Vitamin C derivatives. They act on the surface of the skin to improve skin glow and reduce the most common blemishes.

The formula is complemented with Vitamin E and Ferulic Acid, the award winning combination that boosts the serum's total antioxidant effect to keep your skin protected, all day long.

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20% Vitamin C
1% Vitamin E
0,5% Ferulic Acid

External use only. Avoid direct contact with eyes. In case of contact with eyes, rinse immediately with water. Do not use on irritated or damaged skin. Keep out of the reach of children.

Aqua (Water), Ascorbyl Tetraisopalmitate, Propanediol, Ascorbyl Glucoside, Glycerin, Tricaprylin, Methylpropanediol, Glycine Soja (Soybean) Seed Extract, Tocopheryl Acetate, Ascorbyl Methylsilanol Pectinate, Ferulic Acid, Lecithin, Sclerotium Gum, Pullulan, Xanthan Gum, Silica, Sodium Hydroxide, Sodium Citrate, Citric Acid, Sodium Benzoate, Potassium Sorbate

*Thanks to our constant commitment to innovation and the availability of raw materials due to the current situation, slight modifications may occur in the percentages and/or nomenclature of ingredients and as a consequence, INCIs may vary according to the manufacturing batch. However, the quality, effectiveness and performance of the product are reviewed at each manufacture, as part of our commitment to high quality cosmetics. The most recent and updated version of the ingredient list will always be on the product packaging.


Customer Reviews

Based on 452 reviews
Pilar Pérez artiles (Las Palmas de Gran Canaria, ES)

Llevo pocos días utilizándolo y me gusta

Melissa Panesso (Barcelona, ES)
Realmente me gusta

Llevo un mes usándola y realmente he visto un cambio. Ya usaba vitamina C desde hace un par de años, pero creo que a nivel de formulación esta es muchísimo mejor y mi piel lo nota. Tiene cierto olor pero no me molesta y solo dura unos segundos.

A. (Maribor, SI)
Glowy skin

I have been using this for almost a month now. My skin is super shiny and radiant. Ever since i started using Theramid, my skin is flawless. I combine it with azelaic

p.i. (Chieti, IT)

Ottimo siero con una percentuale di vitamina C realmente efficace. Non è per nulla aggressivo sulla pelle (ho una pelle molto sensibile) e all'odore "particolare" ci si abitua in fretta. E' la prima volta che lo provo e mi ha conquistata. Farò sicuramente un secondo acquisto.

Anónimo (Sant Cugat del Vallès, ES)
Probando theramid!

Me sorprendió la calidad de los productos tenían muy buenas reseñas y quise probar y de momento muy bien