Farmacy 1% Vitamin A Retinol Serum vs Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum
Farmacy 1% Vitamin A Retinol Serum scores 9.1/9.8 vs Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum at 8.4/9.8. Farmacy 1% Vitamin A Retinol Serum wins for hydration.
Head to head
1% Vitamin A Retinol Serum
KateCeuticals® SuperCell Rejuvenation Peptide Serum
Score comparison
Farmacy 1% Vitamin A Retinol Serum edges ahead, winning 2 of 5 attributes.
Scores last verified: July 2026
Attribute battle
Hydration Efficacy
Farmacy WINSIrritation Risk
TIEActive Ingredient Strength
Farmacy WINSIngredient Transparency
TIEFormulation Safety
TIEIngredient face-off
15% overlapOnly in Farmacy 1% Vitamin A Retinol Serum
34 unique
Shared ingredients
6 in common
Only in Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum
15 unique
Why Farmacy 1% Vitamin A Retinol Serum comes out ahead
Where Farmacy 1% Vitamin A Retinol Serum really shines is hydration efficacy, scoring 8.6 compared to Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum's 6.5. With Glycerin, Isopentyldiol, and Panthenol in its top ingredients, Farmacy 1% Vitamin A Retinol Serum delivers stronger moisture-binding capability.
Active Ingredient Strength is another area of separation. Farmacy 1% Vitamin A Retinol 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.
Farmacy 1% Vitamin A Retinol Serum brings Ceramide Np, Tocopherol, 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
Farmacy 1% Vitamin A Retinol 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
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
Value comparison
At premium pricing with a score of 9.1, Farmacy 1% Vitamin A Retinol Serum delivers strong value. Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum sits at the luxury level with a 8.4 score — the extra cost doesn't translate to better scores here.
Our verdict
Farmacy 1% Vitamin A Retinol 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: Farmacy 1% Vitamin A Retinol Serum or Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum?
Based on ingredient analysis, Farmacy 1% Vitamin A Retinol Serum scores higher overall. See the full score breakdown above for details on each attribute.
Do Farmacy 1% Vitamin A Retinol Serum and Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide 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 Farmacy 1% Vitamin A Retinol Serum and Kate Somerville KateCeuticals® SuperCell Rejuvenation Peptide Serum?
The key differences are in their active ingredients and formulation approach. Check the attribute battle above for a detailed breakdown.