Yonka Serum, For the weary, YON-KA SERUM, a multi-action booster will give your complexion an extra "kick", by restoring proper oil balance, eliminating toxins and stimulating cell renewal as it repairs the skin. Splendid for all types, this beauty gem can be used alone or mixed with your moisturizer or night cream. This hallmark of YON-KA Serum will keep your skin soft and dewy.

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