The 6 Peptide Skin Booster Serum

Helped their skin texture when used in the morning alongside a retinoid routine.

“I've tried all three and they all helped me with my skin texture”

Did little beyond mild hydration and made no difference to their face, so they use it on their arms.

“I agree that the CosRx doesn’t do much beyond mild hydration. I ended up using it on my arms because it made no difference to my face.”

Finished a bottle and felt it didn't do much beyond hydration.

“I used Cosrx 6 Peptide skin booster and felt like it didn't do much after finishing the bottle.”

Nice for hydration but no noticeable anti-aging results.

“I do like the Cosrx because it is very nice for hydration and I layer it in when I need extra”

Moved it to body care and isn't sure they'll repurchase.

“I’ve elevated the CosRX to body care.”

Currently using it but not loving the results so far.

“I am using the Cosrx one but not loving it.”

Has done wonders for their dehydrated, flaky skin under adapalene.

“Cosrx 6 Peptide Serum has done wonders for my dehydrated, flaky skin.”

Part of a peptide routine that brightened their skin with no irritation, unlike vitamin C.

“I use Ordinary's multi-antioxidant in the morning and in the evening I use CORSX peptide booster.”

Likes it overall, though unsure about repurchasing.

“I'm currently using the cosrx peptide booster serum/essence and I like it overall.”

Just started it and is absolutely in love, planning to repurchase forever.

“I just started using COSRX 6 Peptide Skin Booster Serum. Absolutely in love with it and will be repurchasing forever.”

Has gone through 3 bottles and notices a difference when they skip it before their toner, serum and moisturizer.

“The Cosrx 6 peptide skin booster. I've gone through 3 bottles of this. I notice a difference when I don't use it before my toner, serum, and moisturizer.”

A user who rarely gets clogged pores had bumps under the skin the day after first using the COSRX 6 Peptide Skin Booster Serum.

“I feel like even after the first time use, I had bumps under my skin the next day.”

Every time a user reintroduces the COSRX 6 Peptide Skin Booster Serum, their skin becomes more acne-prone.

“But everytime I try to use this in my routine again my skin becomes more acne prone”

A very acne-prone user has used the COSRX 6 Peptide Skin Booster Serum for months without breakouts, but finds it nothing special, more like a toner.

“I've been using it for months and, fortunately, haven't experienced breakouts (I'm very acne and CC prone).”

Compared with The Ordinary Buffet, a user finds the COSRX 6 Peptide Skin Booster Serum feels like just a hydrating toner and wouldn't repurchase.

“Previously I used The Ordinary Buffet and in comparison Cosrx 6-peptide serum feels just like a hydrating toner. I wouldn't repurchase.”

A user loves the COSRX 6 Peptide Skin Booster Serum for plumping their skin and giving a slight glow.

“Loveee this. Plumps and gives me a very slight glow”

A user loves the COSRX 6 Peptide Skin Booster alongside the COSRX 1% retinol.

“I am using the Peptide Booster and the 1% Retinol and loove them both!”

A user found the COSRX 6 Peptide Skin Booster Serum just okay, possibly because their skin dislikes hyaluronic acid, and wouldn't repurchase.

“It was okay. My skin does not like HA which I think is the biggest problem. Would I repurchase no.”

A 34-year-old user still uses and loves the COSRX 6 Peptide Skin Booster Serum.

“I still use this product in my routine and I still love it, so I hope you try it out!!”

After two months of daily use, a user finds the COSRX 6 Peptide Skin Booster Serum just OK: hydrating and unscented but too low in peptides to repurchase.

“I've been using this one daily for 2 months and think it's just ok.”

A user layering the COSRX 6 Peptide Skin Booster Serum under other serums says their skin is now smooth and plump with fewer breakouts.

“My skin is very smooth and plump now because of the peptide serum I think i get less breakouts because of the combinations of serums too”

A user finds the COSRX 6 Peptide Skin Booster Serum nicely hydrating but worries the water-based formula in see-through packaging limits its effect.

“I've been using this for couple of weeks, it's nicely hydrating.”

After three weeks, a user says the COSRX 6 Peptide Skin Booster Serum has made their skin texture a lot better.

“My skin loves this lol. I've been using it for about three weeks and it's made my texture a lot better.”

A user cycling several peptide products finds the COSRX 6 Peptide Skin Booster Serum OK and on par with the others, and likes the pump bottle.

“I'm using it in the morning and it's ok. I have a few other peptide products I've been cycling though and this one works just as well as others.”