Advanced OPTIMIZER Serum
Best serum ever! I love what this serum does for my skin. I use it at night and use serum C20 during the day. It not only firms and tightens but leaves my skin with such a nice glow. I pair this with a one of YonKa moisurizers including the Optimizer moisturizer, Phyto 52. or Nutri Defense, depending on what I feel my skin needs. Serums are so vital in your skincare regimen and this serum works.
LovelySkin Customer
Verified Purchase
Yonka serum
I have used this product for over 10 years and cannot live without it in my routine.
LovelySkin Customer
Verified Purchase
It speaks the truth - Anti-aging
I have used Yon-Ka products for 40 years almost exclusively. The Advanced Optimizer Firming treatment really does improves elasticity, significantly reduces the signs of aging. I spoke to my esthetician recently saying "I don't have wrinkles". She told me I have taken good care of my skin for many years. Yon-la Optimizer products was a big part of my skin care. Thank you Yon-ka.
Dianne1951
Verified Purchase
love this product
Skin absorbs it quickly. Many products claim that they reduce wrinkles, but this one really does it for me. I can see the difference! I use it every night after Yon-ka toner. Just a little bit scented. Love it!
Cecilia
Verified Purchase
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