Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide 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 Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum at 8.4/9.8. Shani Darden Skin Care Retinol Reform® with 1% Encapsulated Retinol for Fine Lines & Wrinkles wins for active ingredients.
Head to head

KateCeuticals® SuperCell Rejuvenation Peptide 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
Shani Darden Skin Care WINSIrritation Risk
TIEActive Ingredient Strength
Shani Darden Skin Care WINSIngredient Transparency
TIEFormulation Safety
TIEIngredient face-off
17% overlapOnly in Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum
14 unique
Shared ingredients
7 in common
Only in Shani Darden Skin Care Retinol Reform® with 1% Encapsulated Retinol for Fine Lines & Wrinkles
34 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 Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum's 5.0. 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. Shani Darden Skin Care Retinol Reform® with 1% Encapsulated Retinol for Fine Lines & Wrinkles scores 8.5 here versus 6.5 for Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum. 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 kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum relies on Nicotiana Benthamiana Hexapeptide-40 Sh-Polypeptide-2, Zingiber Officinale (Ginger) Root Extract, and Bisabolol. Both approaches have merit, but the positioning and supporting ingredients make the difference.
Best for your skin type
Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- 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 luxury pricing with a score of 8.4, Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide 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: Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide 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 Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide 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 Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide 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.