COSRX - 6X Peptide Collagen Booster Toner Serum

I've been using this for well over a year and I use it after I get out of the shower in the morning, and at night when I wash my face. It allows for deeper penetration of other skin care products and I've noticed a huge difference in the texture of my skin as well. It is highly effective with no scent. I have a very mild case of rosacea (self diagnosed, lol). But this has made a significant difference in evening my skin tone and getting rid of the redness. I also apply it to my neck and chest area and have noticed a difference as well, in the way my other products work after applying it. Especially products used to lighten any dark spots like freckles etc. I've noticed a HUGE difference in that area. Because I am fair skinned, unfortunately I am prone to freckles since I was younger. So if I go out in the sun, I get sprinkled with freckles on my nose and upper cheeks as well as my chest and shoulders and although I use SPF, I do live in Florida and I've noticed since moving here from the north my skin looks so much worse. But when using this along with some other dark spot remover products it has made a huge difference in the way the products work! It's a very watery consistency but do not put it on a pad like you would for a toner this is not a toner you want it to absorb into your skin as much as possible. It is not thick at all it comes out basically like water and soaks right into your skin with a few light pads give it about a minute and you'll be ready to move on to your next step in your skincare routine. For the price I think the value for your money is excellent! I will never not have this in my skincare routine, two thumbs up and if I had more thumbs I'd give it more! Haha! And five stars, if I could give it more stars I would!

This product is accurately described as a toner serum. It has the lightweight, fast-absorbing texture of a toner, but functions more like a treatment serum. Rather than focusing only on hydration, its real strength is how well it prepares the skin and enhances the performance of products applied afterward.With consistent use, I’ve noticed clearer skin, a brighter and more even tone, and gradual improvement in dark spots. The effect is especially noticeable when pairing it with active treatments such as vitamin C serums.How I use it (evening routine):In the evening, I apply a thin layer and gently pat until fully absorbed, then repeat this step 2–4 times, depending on how dry my skin feels that day. Building hydration gradually this way allows the skin to absorb moisture without heaviness and noticeably improves plumpness and overall moisture retention.Once the toner serum is fully absorbed, I apply my treatment serums (such as vitamin C), followed by a moisturizer with enough oil and hydration to seal everything in. Used this way, it clearly improves how well active serums absorb and perform, leaving the skin looking fuller, healthier, and well-hydrated.Morning use:I also use this in the morning, but usually apply just one light layer. It noticeably improves makeup application—foundation goes on more evenly, adheres better, and stays comfortable throughout the day without emphasizing dryness.I hope this review is helpful for anyone deciding whether this fits into their routine.

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BEST EVER! Do not sleep on this product. It is the holy grail in my skin care routine. I’ve been using it for over a year now and the value price point is unbeatable. I get about six months use out of one bottle and I use it every morning and every night. It keeps my skin so soft, bouncy, and honestly looking like my teenage skin all over again at 32 years old! The packaging is really cute and minimalistic and you completely get a full bottle of product. I would recommend this to anybody and everybody. It completely controls the sebum I used to get in my T zone area and also has had a great effect on my hormonal acne when I do have breakouts. If it does have a scent, I honestly do not notice it, but after directly smelling it, it does have a lingering freshness to it that is extremely mild. It is just so great you guys if you’re having any doubts, don’t have any doubts. I promise you will not be disappointed in this product!

Porque deja la piel hidratada y con un glow bonito

I believe this product alone has changed my skincare!

I love this product. My daughter gave me a sample bottle to try and I immediately could feel the difference. My skin is more smooth and less dry.

I’m so happy I discovered this product. It goes on smoothly and is very hydrating! My skin looks so much better! Dried quickly.

Love it!! It’s very thin and watery so put it in a spray bottle and apply before serum it’s amazingly

I seldom leave reviews but this serum is absolutely amazing. Brightens the skin, very light and refreshing, feels so good right after a shower. Fantastic ingredients and a great price. I bought another. And I also grabbed sunscreen and loved that too.

It doesn’t make my face dry . That is a plus 👍

The bottle was a lot bigger than I expected but I’m not complaining love this stuff

Goes well with my sensitive skin!

Feels amazing - skin is glowing! Apply multiple layers

Me encanto, cierra tus poros y deja la piel iluminada

Mi esposa está encantada con el producto

Háganse un favor y compren esto, es fantastico me volví adicta a él, deja la piel maravillosamente bella, se siente el cambio de una, además que prepara tú piel para tú rutina de skin care, refresca, texturiza y da ese glow a la piel sensaciónal. Lo compro una y otra vez.

Excelente suero. Me gustó mucho la textura y como se siente en la piel.

Clienta complacida

When I first purchased the set and my mom was looking at it. She was soooo grossed out by the ingredients lol she wasn’t laughing about two weeks later when she started seeing the fine lines and wrinkles on my face! My face was even baby soft! I absolutely love this product! It is so lightweight, moisturizing and fragrance free!! I will definitely be putting the set on auto to buy again in 30 days!Must try!

It is Good, it visibly improves the look of dark spots, hyperpigmentation, and uneven skin tone. I like it Very Much. I have used it carefully, slowly, and it has helped my skin improve and look good over time. The Skincare item does even out skin tone well and boosts some natural radiance in the skin. It offers some hydration. I like how it enhances skin texture, and effectively diminishes the appearance of some dark spots and discoloration. It is gentle and has Helped and Improved My Skin and Face Very Much. I like how it improves the look of face skin for a fresher, more better good looking appearance. It helps to improve the appearance of skin. It does well with to visibly reduce the look of dark spots and post-acne marks. It is pleasant, decent, satisfying, nice and effective. I would Recommend this Skin item.

It works wonderfully on shallow wrinkles

I like it so far! Only used it a couple of days but it feels good on my skin

Good stuff

Feels wonderful on top of clean skin and provides a silky base for the next moisturizing stepMy second order

Love it ! Hydrates so well and u can use it under Make up

Loving this product. It’s lightweight and layers well under serums, lotions, and makeup. My skin feels soft, smooth and plump. A+

Amazing unbelievable very recommended

This toner hydrates skin, absorbs very nicely too. Great toner, highly recommended

This COSRX 6X Peptide Collagen Booster Toner Serum has been a fantastic addition to my skincare routine. I originally bought it hoping to fix some white patches on my face caused by a burn from Brut aftershave. To my surprise, within just a week, the patches faded significantly and my skin tone became even again. That alone made the product worth it, but the benefits didn’t stop there.The formula feels premium — lightweight, fast‑absorbing, and never sticky. The combination of copper peptides, niacinamide, and hyaluronic acid works beautifully together. My skin feels cleaner, smoother, and more refreshed after every use. It gives a healthy glow without any irritation, and the hydration lasts throughout the day. Over time, I’ve noticed my skin looking firmer and more refined, so I’m confident it has real anti‑aging benefits as well.The bottle size is generous, and a little goes a long way, making it great value for the quality. It layers well with other products, doesn’t pill, and works for both morning and night routines. The scent is mild and pleasant, and the overall feel on the skin is soothing.All in all, this is a great product that delivers visible results quickly and continues to improve the skin with consistent use. Highly recommended for anyone looking for brighter, smoother, and healthier‑looking skin.