Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum vs Tirtir Ceramic Milk Ampoule
Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum scores 8.4/9.8 and Tirtir Ceramic Milk Ampoule scores 8.3/9.8 — a near-tie where your skin type decides the winner.
Head to head
KateCeuticals® SuperCell Rejuvenation Peptide Serum
Ceramic Milk Ampoule
Score comparison
These two are neck and neck — just 0.1 points apart.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Tirtir WINSIrritation Risk
TIEActive Ingredient Strength
Tirtir WINSIngredient Transparency
TIEFormulation Safety
Kate Somerville WINSIngredient face-off
10% overlapOnly in Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum
16 unique
Only in Tirtir Ceramic Milk Ampoule
47 unique
Why these two are neck and neck
These two serums take different paths to a similar destination. Both formulas include solid hydrating ingredients, and the overall scores reflect that — the gap here is genuinely slim.
Active Ingredient Strength is another area of separation. Tirtir Ceramic Milk Ampoule 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.
Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum brings Nicotiana Benthamiana Hexapeptide-40 Sh-Polypeptide-2, Zingiber Officinale (Ginger) Root Extract, and Bisabolol as actives, while tirtir Ceramic Milk Ampoule relies on Lactobacillus/Soymilk Ferment Filtrate, Niacinamide, and Prunus Amygdalus Dulcis (Sweet Almond) Seed Extract. 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
Tirtir Ceramic Milk Ampoule 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
Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum comes in at luxury pricing with a 8.4 score, which is solid value at that tier.
Our verdict
It's a close call — both products score within 0.3 points of each other. Your choice depends on your specific skin concerns.
Frequently asked questions
Which is better: Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum or Tirtir Ceramic Milk Ampoule?
Based on ingredient analysis, Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum scores higher overall. See the full score breakdown above for details on each attribute.
Do Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum and Tirtir Ceramic Milk Ampoule 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 Tirtir Ceramic Milk Ampoule?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.