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ADCOS's flagship 20% L-AA serum — the dermo Brazilian answer to SkinCeuticals C E Ferulic at half the price, and the most-requested vitamin C in São Paulo derm offices.
Other routine steps with complementary ingredients.
Side-by-side ingredient breakdowns vs. the closest alternatives.
In-clinic and at-home treatments that use the same active ingredients.

A 24-karat-gold-plated microchannel device that delivers custom serum cocktails — usually micro-doses of Botox, hyaluronic acid, vitamins, and peptides — into the upper dermis.

Microneedling's gentler, no-downtime sister — a silicone-tip cartridge oscillating at ~150,000 vibrations/min that pushes serums into the epidermis without piercing the skin.

A cocktail of vitamins, amino acids, and hyaluronic acid injected into the superficial dermis — French-born, globally adopted, endlessly remixed.
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Sérum Vitamina C 20 by Adcos is formulated for normal, combination, mature skin. ADCOS's flagship 20% L-AA serum — the dermo Brazilian answer to SkinCeuticals C E Ferulic at half the price, and the most-requested vitamin C in São Paulo derm offices.
The key active ingredients in Sérum Vitamina C 20 are Vitamin C, Vitamin E (Tocopherol). It's known for: 20% pure L-ascorbic acid + ferulic combo and Brazilian dermo-line credibility.
Yes, Sérum Vitamina C 20 targets dullness, hyperpigmentation, fine lines. 20% pure L-ascorbic acid + ferulic combo
Sérum Vitamina C 20 retails for around $75, which places it in the mid range for serums. Check the "Where to Buy" section above for current retailer prices.
The main drawbacks to be aware of: L-AA oxidizes — store dark, use within 3 months; 20% can sting reactive skin.
A suggested daily routine featuring this product, with complementary picks.
Ultime8 Sublime Beauty Cleansing Oil
Shu Uemura · cleanser
Mela Off Whitening Pads
Adcos · exfoliant
Vegan Kombucha Tea Essence
Dr. Ceuracle · essence
Sérum Vitamina C 20
Adcos · serum
Ceramide Ato Concentrate Cream
Illiyoon · moisturizer
Protetor Solar Mousse Mineral FPS 50
Adcos · sunscreen
Ceramide Ato Concentrate Cream
Illiyoon · moisturizer