This serum is wonderful, I love it, it leaves my skin smooth and shiny from the first application

I love it . I use snail mucin from same brand , my skin looks so nice and beautiful. I recommend this brand 100 porcent

100% recommended, one of my favorite products, the skin looks radiant with these products

10/10, highly recommended!

I just got my bottle but it causes no irritation. I notice my skin looking a bit brighter and I have only used it twice!

This will have your skin beautiful. This is a really good vit c serum. I have had others, but this one is the best for my skin. Will reorder.

Loving it, worth the money.

This serum has quickly become a staple in my skincare routine, and I highly recommend it to anyone looking for a multi-benefit serum that delivers visible results!

I feel like this is going to be a good addition to my Cosrx family of product!

After a short time of use I noticed the changes. The skin looks more radiant, luminous.

I recommend a 💯 the best

This stuff is magic in a bottle..it cleared up my skin a great bit.

This product came highly recommend and now I have multiple bottles and never go a day without it.

I've only been using this product for a few days but the vC seems to be working well with my routine.

The picture is only after a WEEK & 2 days of use!!!! See the difference?! I DO! Love it!

But the end result is definitely worth it.! left my face feeling super smooth and glowy!!!

I ordered this serum 11/14/22 and it is 11/27/22.my before and after is within WEEKS! Highly recommended!

I have been using this product for a very year and really liked it

I ordered my 4th bottle of The Vitamin C23 (COSRX) serum. I really love this product that’s why I always stock up.

I like the way it leaves my skin. I use this with a few other products. I recommend it. It mixes well with other products.

Great product, Very effective!

I really recommend this serum for oily skin. It hydrates you and absorbs quickly into your skin!