COSRX The 6 Peptide Skin Booster Serum vs Shani Darden Skin Care Retinol Reform® with 1% Encapsulated Retinol for Fine Lines & Wrinkles
Shani Darden Skin Care Retinol Reform® with 1% Encapsulated Retinol for Fine Lines & Wrinkles scores 9.5/9.8 vs COSRX The 6 Peptide Skin Booster Serum at 8.5/9.8. Shani Darden Skin Care Retinol Reform® with 1% Encapsulated Retinol for Fine Lines & Wrinkles wins for active ingredients.
Head to head

The 6 Peptide Skin Booster Serum

Retinol Reform® with 1% Encapsulated Retinol for Fine Lines & Wrinkles
Score comparison
Shani Darden Skin Care Retinol Reform® with 1% Encapsulated Retinol for Fine Lines & Wrinkles takes this one, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
COSRX WINSIrritation Risk
TIEActive Ingredient Strength
Shani Darden Skin Care WINSIngredient Transparency
COSRX WINSFormulation Safety
TIEIngredient face-off
20% overlapOnly in COSRX The 6 Peptide Skin Booster Serum
32 unique
Shared ingredients
8 in common
Only in Shani Darden Skin Care Retinol Reform® with 1% Encapsulated Retinol for Fine Lines & Wrinkles
33 unique
Why Shani Darden Skin Care Retinol Reform® with 1% Encapsulated Retinol for Fine Lines & Wrinkles comes out ahead
Where Shani Darden Skin Care Retinol Reform® with 1% Encapsulated Retinol for Fine Lines & Wrinkles really shines is active ingredient strength, scoring 7.7 compared to COSRX The 6 Peptide Skin Booster Serum's 6.5. Its formula features Pyrus Malus (Apple) Fruit Extract, Lactobacillus Ferment, and Retinol in high positions, signalling meaningful concentrations.
Hydration Efficacy is another area of separation. COSRX The 6 Peptide Skin Booster Serum scores 9.2 here versus 8.5 for Shani Darden Skin Care Retinol Reform® with 1% Encapsulated Retinol for Fine Lines & Wrinkles. That difference comes down to how each formula is built — the ingredient list tells the story.
Shani Darden Skin Care Retinol Reform® with 1% Encapsulated Retinol for Fine Lines & Wrinkles brings Pyrus Malus (Apple) Fruit Extract, Lactobacillus Ferment, and Retinol 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
Shani Darden Skin Care Retinol Reform® with 1% Encapsulated Retinol for Fine Lines & Wrinkles is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Glycerin
- Targeting specific concerns like aging or uneven tone — Pyrus Malus (Apple) Fruit Extract does the heavy lifting
Value comparison
At mid-range pricing with a score of 8.5, COSRX The 6 Peptide Skin Booster Serum is a decent pick. Shani Darden Skin Care Retinol Reform® with 1% Encapsulated Retinol for Fine Lines & Wrinkles sits at the premium level with a 9.5 score — the higher investment pays off in formulation quality.
Our verdict
Shani Darden Skin Care Retinol Reform® with 1% Encapsulated Retinol for Fine Lines & Wrinkles wins this comparison with a meaningfully stronger ingredient profile and overall score.


Frequently asked questions
Which is better: COSRX The 6 Peptide Skin Booster Serum or Shani Darden Skin Care Retinol Reform® with 1% Encapsulated Retinol for Fine Lines & Wrinkles?
Based on ingredient analysis, Shani Darden Skin Care Retinol Reform® with 1% Encapsulated Retinol for Fine Lines & Wrinkles scores higher overall. See the full score breakdown above for details on each attribute.
Do COSRX The 6 Peptide Skin Booster Serum and Shani Darden Skin Care Retinol Reform® with 1% Encapsulated Retinol for Fine Lines & Wrinkles 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 Shani Darden Skin Care Retinol Reform® with 1% Encapsulated Retinol for Fine Lines & Wrinkles?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.