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Star5 qty Excellent
ane...@ The Vitamin C 23 serum Super Vitamin E + Hyaluronic Acid This product is the most hydrating, it is an ideal facial serum for illuminating and it is hydrating for fine lines, it improves uneven skin tone and helps with dull skin, leaving you with shiny and beautiful skin

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Posted on 23-12-27 Recommend
Star4 qty Gentle Brightening Serum
alp...@ I actually really love this Vitamin C serum from Cosrx. It goes on very gently, not too sticky or oily. It allowed me to fade away a blemish mark from a pimple breakout I had on my chin in a week, that is how potent and pure this serum is. This serum packs a high dose of targeted vitamin C to the skin for great targeted effect. The way this product is delivered is excellent, it comes in an amber vial which prevents the product from oxidizing and the built in dropper allows you to precisely apply a tiny amount (which is all you need). Excellent product overall. I will say you do need to moisturize and wear sunscreen when using this product and with Vitamin C in general to reduce irritation. You cannot use it though at the same time as the Cosrx Peptide Serum, so you would use it at different times of the day. Love the overall effect though, it does reduce hyperpigmentation and brightens skin for a beautiful glass skin effect.
Posted on 23-12-26 Recommend
Star5 qty GREAT!!
las...@ Reduce post hyperpigmentation, renew skin and improve the look of fine lines and wirnkles. Of light texture it is moist and makes my skin feel soft, hydrated Not sticky tacky or heavy, fragrance free 

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Posted on 24-01-11 Recommend
Star5 qty Such a great Vitamin C serum !
Pri...@ COSRX's Vitamin C 23 Serum has become a skincare staple for me. Its stable formulation ensures potency, effectively brightening and evening out my skin tone. The lightweight consistency allows for easy layering with other products, making it versatile in my routine. Over time, dark spots and hyperpigmentation have visibly reduced. The serum's thoughtful design preserves the integrity of the vitamin C, ensuring optimal results. If you're seeking a reliable and effective Vitamin C serum, COSRX has crafted a winner with this product. A radiant complexion awaits.

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Posted on 23-12-24 Recommend
Star5 qty 10/10
but...@ Its high concentration of Vitamin C helps brighten and even out the skin tone, promoting a radiant complexion. It fades acne scars & hyperpigmentation, diminishes fine lines and wrinkles, and fights the signs of aging. The serum has a liquid, oily texture, but it effortlessly absorbs into my skin, leaving it soft and smooth. I love using this in my PM routine. And it's necessary to remember to use sunscreen when incorporating this product into your skincare routine.
Posted on 23-12-24 Recommend

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