Kerstin Florian - Clarifying Probiotic Refining Serum

Kerstin Florian Clarifying Probiotic Refining Serum

Efficacy75/100

Works for:

based on ingredients and %
  • Moisturizing
  • Anti-aging
  • Evens skin tone
  • Anti-oxidation

Can it cause trouble?

  • Irritation risk: high
  • Comedogenic risk ingredients: 4

Key actives

Niacinamide0.9% - 1.1%Copper gluconate1.1% - 1.3%Allantoin0.65% - 0.95%
USD79.00
Price as of May 18, 2026.
Amazon US
Lowest price
Buy from Amazon US — USD79.00
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USD79.00
Amazon US Lowest price