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Cosrx's 23% pure ascorbic acid serum โ the K-beauty answer to the SkinCeuticals price tag without the SkinCeuticals price tag.
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 โ usually micro-doses of Botox, hyaluronic acid, vitamins, and peptides โ into the upper dermis.

Microneedling's gentler, no-downtime sister โ 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 โ French-born, globally adopted, endlessly remixed.
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The Vitamin C 23 Serum by COSRX is formulated for normal, combination, mature, dull skin. Cosrx's 23% pure ascorbic acid serum โ the K-beauty answer to the SkinCeuticals price tag without the SkinCeuticals price tag.
The key active ingredients in The Vitamin C 23 Serum are Vitamin C, Vitamin E (Tocopherol). It's known for: 23% pure L-ascorbic acid and Affordable for the concentration.
Yes, The Vitamin C 23 Serum targets dullness, hyperpigmentation, fine lines. 23% pure L-ascorbic acid
The Vitamin C 23 Serum retails for around $26, 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: Will oxidize if not stored properly; Concentration may flush sensitive skin; Subtle citrus scent.
A suggested daily routine featuring this product, with complementary picks.
Pure Fit Cica Smoothing Cleansing Balm
COSRX ยท cleanser
BHA Power 4D Liquid
COSRX ยท exfoliant
Advanced Snail Radiance Dual Essence
COSRX ยท essence
The Vitamin C 23 Serum
COSRX ยท serum
Advanced Snail 92 All in One Cream
COSRX ยท moisturizer
Aloe Soothing Sun Cream SPF50+ PA+++
COSRX ยท sunscreen
Advanced Snail 92 All in One Cream
COSRX ยท moisturizer