DEFENSE+ BOOSTER Yon-Ka Boutique Deauville

Defense+ Booster

Regular price$58.00 USD
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  • Authorized Yon-Ka Retailer

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What it is

Yonka Defense+ Booster is a potent facial serum that helps to strengthen the skin's natural defense mechanisms and protect against environmental stressors.

Skin Type

Ideal for all skin types.

Skincare Concerns

Addresses skincare concerns such as dullness, dryness, and sensitivity caused by external aggressors.

Clinical Results

No specific clinical results available.


The Defense+ Booster is formulated with a blend of powerful antioxidants and nourishing ingredients to fortify and protect the skin.


The key ingredients in Yonka Defense+ Booster include:

  • Propolis Extract: A natural antioxidant that helps to protect the skin against environmental stressors.
  • Wheat Germ Oil: Rich in vitamins and antioxidants, it nourishes and moisturizes the skin.
  • Vegetable Glycerin: Helps to retain moisture and improve the skin's hydration levels.
  • Essential Oils (Lavender, Rosemary, Thyme): Provide soothing and balancing properties for the skin.

Ingredient lists are subject to change. Please reference the carton for the most updated list.

How to use

After cleansing and toning, apply a few drops of Yonka Defense+ Booster to the face and neck. Gently massage into the skin until fully absorbed. Follow with your regular moisturizer. Use daily, morning and evening, for best results.

We understand the importance of using genuine beauty products. That's why we're proud to be an authorized retailer for all the brands we carry. When you shop with us, you can be sure you're getting fresh, authentic products delivered directly from the brands themselves.

Why Choose Authorized Retailers?

Unfortunately, counterfeit and expired products are a real concern online. Shopping with unauthorized sellers puts you at risk of receiving ineffective or even harmful cosmetics.

Here's why Boutique Deauville is your trusted source for beauty essentials:

  • Guaranteed Authenticity: We source directly from brands, ensuring you receive only genuine products.
  • Fresh Inventory: Regular shipments mean you get the latest formulations with optimal shelf life.
  • Safe & Effective: Avoid the risks associated with counterfeit or expired cosmetics.

Deliveries of our packages are made without a signature. During checkout, you can add a signature for $5 if your order is less than $299. Orders $299+ will all be shipped with a Signature Included.

  • All orders are shipped using UPS or Canada Post
  • Orders will be processed within 1-2 business days, Monday to Friday.
  • Shipping can take up to 7 business days to receive depending on your location.
  • You will be notified within 24 hours of any order issues that may occur

Peak Times Disclaimer:

  • During peak times like Holidays and promotions such as Black Friday and Boxing Day, due to high order volume, your items may take longer.

If you entered your address incorrectly when making your order, we are not liable. Don't forget to enter the right shipping information!

If you have any questions, don't hesitate to contact us by email or the chat bubble in the right corner. We'll get back to you right away

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Customer Reviews

Based on 1 review
Mutabaruka C.

Defense+ Booster