Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum vs Summer Fridays Midnight Ritual Retinol Renewal Serum
Summer Fridays Midnight Ritual Retinol Renewal Serum scores 8.8/9.8 vs Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum at 8.4/9.8. Summer Fridays Midnight Ritual Retinol Renewal Serum wins for hydration.
Head to head

KateCeuticals® SuperCell Rejuvenation Peptide Serum

Midnight Ritual Retinol Renewal Serum
Score comparison
Summer Fridays Midnight Ritual Retinol Renewal Serum edges ahead, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Summer Fridays WINSIrritation Risk
TIEActive Ingredient Strength
Summer Fridays WINSIngredient Transparency
TIEFormulation Safety
TIEIngredient face-off
21% overlapOnly in Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum
14 unique
Shared ingredients
7 in common
Only in Summer Fridays Midnight Ritual Retinol Renewal Serum
27 unique
Why Summer Fridays Midnight Ritual Retinol Renewal Serum comes out ahead
Where Summer Fridays Midnight Ritual Retinol Renewal Serum really shines is hydration efficacy, scoring 7.9 compared to Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum's 6.5. With Glycerin, Propanediol, and Sodium Hyaluronate in its top ingredients, Summer Fridays Midnight Ritual Retinol Renewal Serum delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. Summer Fridays Midnight Ritual Retinol Renewal Serum scores 5.9 here versus 5.0 for Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum. That difference comes down to how each formula is built — the ingredient list tells the story.
Summer Fridays Midnight Ritual Retinol Renewal Serum brings Retinyl Linoleate, Retinol, and Centella Asiatica Extract 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
Summer Fridays Midnight Ritual Retinol Renewal Serum is better if you have
- Sensitive skin — the low-irritation formula keeps things gentle
- Dry or dehydrated skin that craves moisture, thanks to Glycerin
- Anyone who prefers clean, well-vetted formulations
Value comparison
At luxury pricing with a score of 8.4, Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum is a decent pick. Summer Fridays Midnight Ritual Retinol Renewal Serum sits at the premium level with a 8.8 score — the higher investment pays off in formulation quality.
Our verdict
Summer Fridays Midnight Ritual Retinol Renewal Serum edges ahead with a slightly stronger formulation, but Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum is still a solid pick.


Frequently asked questions
Which is better: Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum or Summer Fridays Midnight Ritual Retinol Renewal Serum?
Based on ingredient analysis, Summer Fridays Midnight Ritual Retinol Renewal Serum scores higher overall. See the full score breakdown above for details on each attribute.
Do Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum and Summer Fridays Midnight Ritual Retinol Renewal 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 Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum and Summer Fridays Midnight Ritual Retinol Renewal Serum?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.