The Blue Peptide Bakuchiol Plump Glow Serum
COSRX The Blue Peptide Bakuchiol Plump Glow Serum scores 8.8/9.8 overall. It ranks highest in low irritation risk (9.5) and hydration efficacy (9.4).
✶ Hero ingredients
Lightweight humectant and solvent
One of the most effective humectants
Glycol-based humectant
Score breakdown
Estimated — based on ingredient analysis. Scores refine as user reviews are added.
Scores last verified: July 2026
What makes COSRX The Blue Peptide Bakuchiol Plump Glow Serum stand out
COSRX The Blue Peptide Bakuchiol Plump Glow Serum is an excellent serum with an overall score of 8.8/9.8. Positioned in the mid-range bracket, it delivers a well-rounded formulation that balances efficacy with gentleness. The formula leads with Butylene Glycol, Glycerin, Dipropylene Glycol — ingredients that support the skin barrier and moisture levels.
It performs well on hydration (9.4) and low irritation risk (9.5) and active strength (7.4).
Is this right for you?
Great for
- ✓Dry or dehydrated skin — strong moisture-binding profile
- ✓Sensitive skin — low irritation risk with a gentle formulation
- ✓Anyone wanting visible results — solid active ingredient lineup
Key ingredients
- ✶Butylene Glycol
Draws in moisture — #2 in the INCI list
- ✶Glycerin
Draws in moisture — #3 in the INCI list
- ✶Dipropylene Glycol
Draws in moisture — #4 in the INCI list
- ✶Niacinamide
Works on your skin — #5 in the INCI list
- ✶Betaine
Draws in moisture — #7 in the INCI list
What creators are saying
TikTokTikTok reviewers consistently praise the COSRX Blue Peptide Bakuchiol Plump Glow Serum for delivering visible plumping, glow, and anti-aging results at an accessible price point compared to professional treatments. They highlight its copper peptide technology as effective for skin renewal and particularly recommend it for those with sensitive skin looking for a gentle retinol alternative. The reviewers don't mention any downsides, and the product appeals to a wide range of ages, from those noticing early signs of aging to mature skin seekers.
Based on 4 creator reviewsFull ingredient list
35 ingredients — listed in INCI order (highest concentration first)
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Ingredient breakdown
- Draws in moisture11
- Works on your skin10
- Holds the formula together5
- Other ingredient3
- Keeps the product fresh3
- Formula balancers2
- Softens and smooths1