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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.

Yon-Ka Advanced Optimizer Serum

  • 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.
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