COSRX The 6 Peptide Skin Booster Serum vs Mother Science Retinol Synergist Anti-Aging Treatment Serum with Malassezin + 0.3% Encapsulated Retinol
Mother Science Retinol Synergist Anti-Aging Treatment Serum with Malassezin + 0.3% Encapsulated Retinol scores 9.1/9.8 vs COSRX The 6 Peptide Skin Booster Serum at 8.5/9.8. Mother Science Retinol Synergist Anti-Aging Treatment Serum with Malassezin + 0.3% Encapsulated Retinol wins for hydration.
Head to head

The 6 Peptide Skin Booster Serum

Retinol Synergist Anti-Aging Treatment Serum with Malassezin + 0.3% Encapsulated Retinol
Score comparison
Mother Science Retinol Synergist Anti-Aging Treatment Serum with Malassezin + 0.3% Encapsulated Retinol edges ahead, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
COSRX WINSIrritation Risk
TIEActive Ingredient Strength
TIEIngredient Transparency
COSRX WINSFormulation Safety
TIEIngredient face-off
13% overlapOnly in COSRX The 6 Peptide Skin Booster Serum
35 unique
Only in Mother Science Retinol Synergist Anti-Aging Treatment Serum with Malassezin + 0.3% Encapsulated Retinol
24 unique
Why Mother Science Retinol Synergist Anti-Aging Treatment Serum with Malassezin + 0.3% Encapsulated Retinol comes out ahead
Where Mother Science Retinol Synergist Anti-Aging Treatment Serum with Malassezin + 0.3% Encapsulated Retinol really shines is hydration efficacy, scoring 7.8 compared to COSRX The 6 Peptide Skin Booster Serum's 9.2. With Dimethyl Isosorbide, Glycerin, and Trehalose in its top ingredients, Mother Science Retinol Synergist Anti-Aging Treatment Serum with Malassezin + 0.3% Encapsulated Retinol delivers stronger moisture-binding capability.
Ingredient Transparency is another area of separation. COSRX The 6 Peptide Skin Booster Serum scores 8.8 here versus 8.5 for Mother Science Retinol Synergist Anti-Aging Treatment Serum with Malassezin + 0.3% Encapsulated Retinol. That difference comes down to how each formula is built — the ingredient list tells the story.
Mother Science Retinol Synergist Anti-Aging Treatment Serum with Malassezin + 0.3% Encapsulated Retinol brings Retinol, Tocopherol, and Ceramide Np as actives, while cOSRX The 6 Peptide Skin Booster Serum relies on Niacinamide, Acetyl Hexapeptide-8, and Dipeptide Diaminobutyroyl Benzylamide Diacetate. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
COSRX The 6 Peptide Skin Booster Serum is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Dipropylene Glycol
- Anyone who prefers clean, well-vetted formulations
Mother Science Retinol Synergist Anti-Aging Treatment Serum with Malassezin + 0.3% Encapsulated Retinol is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Dimethyl Isosorbide
- Anyone who prefers clean, well-vetted formulations
Value comparison
At mid-range pricing with a score of 8.5, COSRX The 6 Peptide Skin Booster Serum is a decent pick. Mother Science Retinol Synergist Anti-Aging Treatment Serum with Malassezin + 0.3% Encapsulated Retinol sits at the luxury level with a 9.1 score — the higher investment pays off in formulation quality.
Our verdict
Mother Science Retinol Synergist Anti-Aging Treatment Serum with Malassezin + 0.3% Encapsulated Retinol edges ahead with a slightly stronger formulation, but COSRX The 6 Peptide Skin Booster Serum is still a solid pick.


Frequently asked questions
Which is better: COSRX The 6 Peptide Skin Booster Serum or Mother Science Retinol Synergist Anti-Aging Treatment Serum with Malassezin + 0.3% Encapsulated Retinol?
Based on ingredient analysis, Mother Science Retinol Synergist Anti-Aging Treatment Serum with Malassezin + 0.3% Encapsulated Retinol scores higher overall. See the full score breakdown above for details on each attribute.
Do COSRX The 6 Peptide Skin Booster Serum and Mother Science Retinol Synergist Anti-Aging Treatment Serum with Malassezin + 0.3% Encapsulated Retinol share ingredients?
Yes, they share common ingredients. Check the ingredient face-off section above for a detailed comparison.
What's the main difference between COSRX The 6 Peptide Skin Booster Serum and Mother Science Retinol Synergist Anti-Aging Treatment Serum with Malassezin + 0.3% Encapsulated Retinol?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.