
Image: cosrx.com
COSRX
The Blue Peptide Bakuchiol Plump Glow Serum
A serum built around Niacinamide and Copper peptides, for hydration and barrier repair.
Brand price
USD 27.00 · checked 25 Sept 2026 · on the brand's site
From the brand
What the brand says about this product. Our ingredient analysis follows below.
The brand recommends it for
- Dry skin
- Sensitive skin
- Dark spots & pigmentation
- Fine lines & wrinkles
- Dryness & dehydration
- Large pores
- Uneven texture
How to use
After cleansing and toning step, apply adequate amount on the face and spread the product from the inside out, avoiding the eye area.
Caution
1. If irritation, redness, swelling, or itching occurs during or after use, discontinue and consult a dermatologist. 2. Avoid applying to broken or damaged skin. 3. Keep out of reach of children. Store away from direct sunlight. 4. As these are potent formulations, please avoid using them together with high-concentration Vitamin C products, including our Vitamin C 13 Serum & Vitamin C 23 Serum. We recommend using them at different times of the day (morning/evening) to help optimize absorption and maximize the benefits of each product.
What's inside
Ingredients List
11 trigger at least one check · 28 trigger none
- Niacinamide
- Acne Fighting
- Barrier Repair
- Brightening
- Dark Spots
- Even Tone
- Oil Control
- Pore Refining
- Redness Reducing
Key Ingredients
Hyaluronic acid3
Hyaluronic acid and its salts; a humectant that binds water to the skin.
Hyaluronic Acid, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer
Benefits
Hydrating18
Boosts hydration and relieves dry, tight skin.
Acetyl Heptapeptide-4, Acetyl Hexapeptide-8, Acetyl Octapeptide-3, Beta-Glucan, Betaine, Butylene Glycol, Dimethicone, Glycerin, Hyaluronic Acid, Hydrolyzed Collagen, Hydrolyzed Hyaluronic Acid, Inositol, Panthenol, Propanediol, Sodium Acetylated Hyaluronate, Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Tocopherol
Barrier Repair9
Strengthens and restores the skin's natural barrier.
Bakuchiol, Betaine, Caprylyl Glycol, Dimethicone, Glycerin, Hydrolyzed Collagen, Niacinamide, Panthenol, Tocopherol
Anti-Aging4
Softens lines and helps skin look youthful.
Acetyl Hexapeptide-8, Adenosine, Bakuchiol, Copper Tripeptide-1
Smoothing6
Refines rough or uneven texture.
Acetyl Hexapeptide-8, Bakuchiol, Caprylyl Glycol, Dimethicone, Hydrolyzed Collagen, Niacinamide
Anti-Pollution4
Helps defend against airborne pollutants.
Concerns
May Worsen Seborrheic Dermatitis7
May feed the yeast involved in seborrheic dermatitis.
Acetyl Heptapeptide-4, Acetyl Hexapeptide-1, Acetyl Hexapeptide-8, Acetyl Octapeptide-3, Hydrogenated Lecithin, Sodium Acetylated Hyaluronate, Sodium Methyl Stearoyl Taurate
Ingredients Explained
Click on any ingredient to learn more about it
Aqua
Solvent
Butylene Glycol
Fragrance, Humectant, Skin Conditioning, Solvent, Viscosity Controlling
Butane-1,3-diol (CAS No. 107-88-0/ EC No. 203-529-7) (R)-(-)-butane-1,3-diol” (CAS No. 6290-03-5/ EC No. 228-532-0)
Learn more about Butylene Glycol →Glycerin
Denaturant, Fragrance, Hair Conditioning, Humectant, Oral Care, Perfuming, Humectant, Skin Protecting, Solvent, Viscosity Controlling
Glycerin may be plant, synthetic or animal depending on the supplier.
Learn more about Glycerin →Dipropylene Glycol
Fragrance, Perfuming, Solvent, Viscosity Controlling
1,1'-Oxydipropan-2-ol; Oxydipropan-2-ol; Hydroxypropyloxypropanol
Learn more about Dipropylene Glycol →Niacinamide
Smoothing
Niacinamide is niacinamide.
Learn more about Niacinamide →1,2-Hexanediol
Skin Conditioning, Solvent
We don't have a description for 1,2-Hexanediol yet.
Learn more about 1,2-Hexanediol →Betaine
Hair Conditioning, Humectant, Humectant
Betaine is the zwitterion (inner salt) that conforms to the formula
Learn more about Betaine →Diethoxyethyl Succinate
Solvent
Butanedioic acid, bis(2-ethoxyethyl) ester
Learn more about Diethoxyethyl Succinate →Ammonium Acryloyldimethyltaurate/Vp Copolymer
Viscosity Controlling
Ammonium Acryloyldimethyltaurate/VP Copolymer is a copolymer of ammonium acryloyldimethyltaurate and vinylpyrrolidone monomers
Learn more about Ammonium Acryloyldimethyltaurate/Vp Copolymer →Dimethicone
Antifoaming, Skin Conditioning, Emollient, Skin Protecting
Dimethicone is a silicone.
Learn more about Dimethicone →
Dupes
- COSRX 5 PDRN Collagen Intense Vitalizing Serum75% match
- COSRX The Alpha-Arbutin 2 Discoloration Care Serum71% match
- Numbuzin No.2 Rose PDRN Collagen Plumping Serum70% match
- Rojukiss FACE EYE NECK REPAIR SERUM69% match
- Isntree Hyper Retinol EX 1.0 Serum69% match
- Dr.Althea Vitamin C Boosting Serum68% match