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Highlights
Summary
COSRX The Blue Peptide Bakuchiol Plump Glow Serum helps visibly firm and plump skin with blue peptides and bakuchiol, reducing the look of poors & fine lines and boosting overall radiance for a smoother complexion.
Benefits
- Copper Tripeptide-1 helps visibly energize skin for a firmer, more revitalized and healthy-looking complexion.
- Bakuchiol helps minimize the look of pores, smooth uneven skin texture, and enhance overall radiance.
- Helps visibly plump skin with deep hydration for a bouncy, supple complexion and a luminous, glass-like glow.
- Supports early signs of aging care to help maintain firm, resilient-looking skin and prevent visible concerns from deepening.
- Lightweight but rich, fluid texture glides smoothly onto skin and absorbs easily, leaving a soft, even, refined finish.
Key Ingredients
- Copper Tripeptide-1 (GHK-Cu): A naturally blue-hued ingredient that helps support skin resilience and improve the look of early signs of aging for a firmer-looking complexion. • Bakuchiol: A plant-derived, retinol alternative that helps smooth skin and support ea
- Bakuchiol: A plant-derived, retinol alternative that helps smooth skin and support early signs of aging care, suitable for sensitive skin and beginners.
- 5 Multi-Peptide Complex: A blend of 5 peptides that helps improve the look of skin firmness and texture through multiple pathways.
- Collagen & 5-Type Hyaluronic Acid: Helps deeply hydrate and visibly plump skin for a smoother, more supple-looking complexion.
- Panthenol, Betaine & Tocopherol: A soothing trio that helps calm visible irritation and support skin resilience against daily stressors.
- Niacinamide: Helps improve the look of uneven skin tone for a brighter, more even-looking complexion.
Item 2658925
After cleansing and toner prep, apply and adequate amount on the face and spread the product from the inside out, avoiding the eye area.
Precautions: Avoid using in the same routine with vitamin C, direct acids, or retinoids. Patch testing is recommended before use.
Aqua/Water, Butylene Glycol, Glycerin, Dipropylene Glycol, Niacinamide, 1,2-Hexanediol, Betaine, Diethoxyethyl Succinate, Ammonium Acryloyldimethyltaurate/Vp Copolymer, Dimethicone, Copper Tripeptide-1(Ghk-Cu), Polyglyceryl-6 Caprylate, Polyglyceryl-4 Caprate, Bakuchiol, Hydrogenated Lecithin, Alcohol, Sodium Methyl Stearoyl Taurate, Ethylhexylglycerin, Hydroxypropyl Starch Phosphate, Disodium Edta, Adenosine, Caprylyl Glycol, Tocopherol, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Acetyl Hexapeptide-1, Acetyl Heptapeptide-4, Panthenol, Inositol, Acetyl Hexapeptide-8, Sodium Hydroxide, Propanediol, Beta-Glucan, Sodium Hyaluronate, Hyaluronic Acid, Sodium Hyaluronate Crosspolymer, Hydrolyzed Collagen, Hydrolyzed Hyaluronic Acid, Sodium Acetylated Hyaluronate, Acetyl Octapeptide-3.
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Reviews
Review Snapshot
by PowerReviews
Ratings Distribution
99 results
Awesome Serum!
Verified Buyer
Reviewed at

I've been using this serum twice a day for the past two weeks, and I'm really enjoying it so far. As someone with sensitive skin, I appreciate that it hasn't caused any irritation or breakouts. The formula is lightweight, absorbs beautifully, and glides on so smoothly.I've already noticed my skin looking a little brighter and feeling firmer (I'm 45 so this is a concern for me), and I'm excited to see the full results after 30 days!
Soft Awakening
Verified Buyer
Reviewed at

Honest Review: A huge COSRX fan here. For this 2 week trial, the Blue Peptide was used in place of the Vitamin C23 serum in my daily routine. Nightly routine: Cleanse, tone, 6 peptide serum booster, BLUE Peptide, snail mucin, moisture. Morning routine: Micellar water cleanse, alternate between BHA and AHA liquid powder, 6 peptide serum booster, BLUE peptide, SPF 30 moisturizer. Skin became softer and less oily than normal. Overall skin tone became lighter where the dark spots became more noticeable. Will continue to use the BLUE peptide until the whole bottle is finished, I use 1. 5 bulb full fills for face and neck for each application. This bottle will last well over a month or 2. If an update is allowed for future posts, will be able to provide pictures from day 0 to end of bottle cycle.
My new FAVORITE serum
Verified Buyer
Reviewed at

THIS is my new favorite serum! It has a great consistency and texture - not too thick and not too thin. It goes on smoothly and absorbs into the skin well, leaving my skin hydrated and smoother. It has reduced fine wrinkles, making my skin look more youthful and radiant. It doesn't have a scent either. My daughter has sensitive skin but this serum has been gentle enough for her to use. She's young so she has a lot of acne but since using this serum, her acne has reduced 50%!!
Gentle Serum
Verified Buyer
Reviewed at

This is a lightweight serum that absorbed quickly but left my skin feeling nice and hydrated. The blue color does not stain the skin but makes it a fun serum. The serum did not irritate my skin it was very gentle. My skin os starting to look very nourished and glassy.
Plump City
Verified Buyer
Reviewed at

Holy plump-ness! I've been using this for two weeks and shower at night. When I wake up in the morning, I can still feel how plump this serum makes my face. Definitely switching over to using this in the morning to keep the glow, hydration, and plump look for the day. Absolute MUST buy :heart_eyes:I had no negative reactions by adding this to my skin care routine - usually my skin is sensitive to change.Love that it has niacinamide and hyaluronic acid in the ingredients as well.
Questions
Q&A
Showing 4 out of 4 Questions
- Q
What percentage Bakuchiol is in this serum?
- Asked by T
- Official Answer By COSRX - Brand EngageThis serum contains 0.25% Bakuchiol.Was this answer helpful to you
- Q
What's the percentage of GHK-CU?
- Asked by Paula
- Official Answer By COSRX - Brand EngageIt contains 0.5% of GHK-CU.Was this answer helpful to you
- Q
I have been using retinal daily for years. Could I use this at the same time?
- Asked by Erin
- Official Answer By COSRX - Brand EngagePlease understand that we are unable to provide specific guidelines regarding combination with other brands. For ingredients like retinal, which may cause irritation even when used alone, we recommend monitoring your skin's reaction carefully during use. As always, it's best to perform a patch test before introducing new products to your routine.Was this answer helpful to you
- Q
How often should I apply this serum?
- Asked by Glo
- Official Answer By COSRX - Brand EngageThis serum can be used twice daily, in the morning and evening. However, if you have sensitive skin, you might want to start with once a day and gradually increase usage as your skin adjusts.Was this answer helpful to you