YON-KA Advanced Optimizer Serum 30ml / 60ml

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  • Regular price CAD$112.00

Anti-ageing, Firmness booster, Tightening effect

Mature skin, lacking firmness
Day & Night


The Tightening  serum for your skin,  best when used  with its complementary cream.
Fluid and quickly absorbed, it reactivates the skin components responsible for firmness.

visibly younger skin that is firmer and smoother, redefined facial contours*.



Intensive 30 day treatment, morning and/or evening, after cleansing and spraying on LOTION YON-KA, apply the SERUM then the CREAM to the face and neck.

The following months, apply the ADVANCED OPTIMIZER duo in the morning or evening.


• Hibiscus peptides: Firmness "booster"
• Horsetail rich in silicon, wild rose rich in Vitamin C: regenerating - firming
• Soy peptides: restructuring
• Marine collagen, hyaluronic acid: hydrating - smoothing