Augustinus Bader The Vitamin C Serum vs COSRX The Blue Peptide Bakuchiol Plump Glow Serum
COSRX The Blue Peptide Bakuchiol Plump Glow Serum scores 9.0/9.8 vs Augustinus Bader The Vitamin C Serum at 8.7/9.8. COSRX The Blue Peptide Bakuchiol Plump Glow Serum wins for hydration.
Head to head
The Vitamin C Serum
The Blue Peptide Bakuchiol Plump Glow Serum
Score comparison
COSRX The Blue Peptide Bakuchiol Plump Glow Serum edges ahead, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
COSRX WINSIrritation Risk
TIEActive Ingredient Strength
COSRX WINSIngredient Transparency
TIEFormulation Safety
TIEIngredient face-off
22% overlapOnly in Augustinus Bader The Vitamin C Serum
25 unique
Shared ingredients
8 in common
Only in COSRX The Blue Peptide Bakuchiol Plump Glow Serum
28 unique
Why COSRX The Blue Peptide Bakuchiol Plump Glow Serum comes out ahead
Where COSRX The Blue Peptide Bakuchiol Plump Glow Serum really shines is hydration efficacy, scoring 9.6 compared to Augustinus Bader The Vitamin C Serum's 6.3. With Butylene Glycol, Glycerin, and Dipropylene Glycol in its top ingredients, COSRX The Blue Peptide Bakuchiol Plump Glow Serum delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. COSRX The Blue Peptide Bakuchiol Plump Glow Serum scores 8.3 here versus 6.7 for Augustinus Bader The Vitamin C Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
COSRX The Blue Peptide Bakuchiol Plump Glow Serum brings Niacinamide, Bakuchiol, and Adenosine as actives, while augustinus Bader The Vitamin C Serum relies on Ascorbyl Glucoside, Niacinamide, and Tocopheryl Acetate. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
Augustinus Bader The Vitamin C Serum is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Anyone who prefers clean, well-vetted formulations
COSRX The Blue Peptide Bakuchiol Plump Glow Serum is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Butylene Glycol
- Targeting specific concerns like aging or uneven tone — Niacinamide does the heavy lifting
Value comparison
At luxury pricing with a score of 8.7, Augustinus Bader The Vitamin C Serum is a decent pick. COSRX The Blue Peptide Bakuchiol Plump Glow Serum sits at the mid-range level with a 9.0 score — the higher investment pays off in formulation quality.
Our verdict
COSRX The Blue Peptide Bakuchiol Plump Glow Serum edges ahead with a slightly stronger formulation, but Augustinus Bader The Vitamin C Serum is still a solid pick.
Frequently asked questions
Which is better: Augustinus Bader The Vitamin C Serum or COSRX The Blue Peptide Bakuchiol Plump Glow Serum?
Based on ingredient analysis, COSRX The Blue Peptide Bakuchiol Plump Glow Serum scores higher overall. See the full score breakdown above for details on each attribute.
Do Augustinus Bader The Vitamin C Serum and COSRX The Blue Peptide Bakuchiol Plump Glow Serum share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between Augustinus Bader The Vitamin C Serum and COSRX The Blue Peptide Bakuchiol Plump Glow Serum?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.