4
Shared Ingredients
Kerstin Florian Clarifying Probiotic Refining Serum vs Kerstin Florian Rejuvenating Firming Extract
Comparing Kerstin Florian Clarifying Probiotic Refining Serum versus Kerstin Florian Rejuvenating Firming Extract — shared ingredients, unique components, comedogenic & irritancy ratings and unique benefits.
Comparison Overview
Product 1
Kerstin Florian Clarifying Probiotic Refining Serum
vs
Product 2
Kerstin Florian Rejuvenating Firming Extract
44
Unique to Kerstin Florian Clarifying Probiotic Refining Serum
7
Unique to Kerstin Florian Rejuvenating Firming Extract
Neither product contains highly comedogenic ingredients (rating ≥ 3), making both suitable for acne-prone skin. Kerstin Florian Clarifying Probiotic Refining Serum scores lower on irritancy, which may suit sensitive skin better. Both products share 4 ingredients in common. Kerstin Florian Clarifying Probiotic Refining Serum has 44 unique ingredients while Kerstin Florian Rejuvenating Firming Extract has 7.
Skin Safety Profile
0%
Comedogenic
15 rated
82%
Safe
44 rated
29%
Irritant
41 rated
Based on 44 rated ingredient s
0%
Comedogenic
2 rated
78%
Safe
9 rated
38%
Irritant
8 rated
Based on 9 rated ingredient s
Ingredient Analysis Matrix
Scale 1 2 3 4 5 low → high
C = Comedogenic S = Safety risk IR = Irritancy
Shared Ingredients (4)
1
Ingredients — Unique to Kerstin Florian Clarifying Probiotic Refining Serum
WaterCSIRPropanediolCSIRLactobacillus Ferment LysateCSIRPentylene GlycolCSIRPlankton ExtractCSIRChlorella Vulgaris ExtractCSIRCaprylyl/Capryl GlucosideCSIROryza Sativa ExtractCSIRCopper GluconateCSIRNiacinamideCSIRAllantoinCSIRSaccharomyces/Xylinum/Black Tea FermentCSIRRosa Canina Fruit ExtractCSIRAscophyllum Nodosum ExtractCSIRGlycolic AcidCSIRLactic AcidCSIRLeuconostoc Ferment FiltrateCSIRUlva Lactuca ExtractCSIRSpirulina Maxima ExtractCSIREmblica officinalis seed extractCSIRTerminalia Chebula ExtractCSIRRosa Damascena ExtractCSIRZinc PCACSIRMagnesium GluconateCSIRCarrageenanCSIRArginineCSIRSuperoxide DismutaseCSIRSoybean PeroxidaseCSIRSodium CitrateCSIRBiotinCSIRSodium Magnesium SilicateCSIRButylene GlycolCSIRHydroxyethylcelluloseCSIRXanthan GumCSIRSodium PhytateCSIRCellulose GumCSIRPotassium HydroxideCSIRBenzoic AcidCSIRParfumCSIRLimoneneCSIRMentha Arvensis Leaf OilCSIRCitrus Limon Peel OilCSIRLavandula Hybrida OilCSIRMentha Piperita OilCSIR
2
Ingredients — Unique to Kerstin Florian Rejuvenating Firming Extract
Frequently Asked Questions
Is Kerstin Florian Clarifying Probiotic Refining Serum better than Kerstin Florian Rejuvenating Firming Extract for sensitive skin?
By comparing Clarifying Probiotic Refining Serum and Rejuvenating Firming Extract side-by-side, you can identify which product has fewer irritants and a better safety profile for sensitive skin. Check the irritancy ratings in the comparison matrix above.
Which product, Clarifying Probiotic Refining Serum or Rejuvenating Firming Extract, is safer for acne-prone skin?
The comparison tool highlights comedogenic (pore-clogging) ingredients in both Clarifying Probiotic Refining Serum and Rejuvenating Firming Extract. Review the comedogenic ratings above to see which formulation is less likely to cause breakouts.
Do Clarifying Probiotic Refining Serum and Rejuvenating Firming Extract share any ingredients?
Our ingredient analysis matrix lists all shared ingredients as well as those unique to either Clarifying Probiotic Refining Serum or Rejuvenating Firming Extract.
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