Bio Moisture Boost Serum - Tonik Skincare

Bio Moisture Boost Serum

  • Potent blend of 5 differently-weighted hyaluronic acid molecules 
  • Reduces the look of deep wrinkles, nasolabial folds, & marionette lines
  • Makes sagging cheeks appear more taut, lifted and weightless
  • Fills out the appearance of vertical "pucker" lines around the mouth
  • Infuses the skin with a luminously fresh, youthful glow on contact
  • 90-day money back guarantee!

Your discount & free delivery has been applied

1 Bio Moisture Boost


Retail £99.97 (Save £40)

2 Bio Moisture Boost


Retail £199.97 (Save £99.97)

3 Bio Moisture Boost
+ FREE Vitamin C Skin Refiner
  • Recommended Deal


Retail £379.88 (Save £239.91)

We want you to love your purchase - 100% Money Back Guarantee

We're so confident TONIK Bio Moisture Boost Serum will take years off your appearance, we'll let you try it absolutely RISK-FREE for 90 days.

And if you're not totally blown away by how much PLUMPER, SMOOTHER, BOUNCIER, and MORE ELEVATED your skin starts to look, we'll give you a full refund... even if you're at the bottom of the bottle.

In other words: if it doesn't work for you... you don't pay for it.

TONIK Bio Moisture Boost Serum

A next-generation volumizing gel that penetrates deep down to help fill, contour, smooth and lift skin's appearance. It illuminates the skin's surface with a gorgeous multi-dimensional hyaluronic glow that lasts and lasts.

Hyaluronic Acid

Our proprietary blend of 5 differently-weighted hyaluronic acid molecules simultaneously works at different levels in minutes.

Aloe Vera

Acts as a protective layer of the skin and helps replenish its moisture and push hyaluronic acid deeper into your dermal fabric.


This innovation is specifically designed to help support your skin's collagen formation.

Real Stories From Recent Customers


Love this product

This product has shaved 10 to 15 years off my facial appearance... My skin is tight and has an incredible glow to it. This is the first and only product that has ever worked for me!!



I am 68 and the difference these products have made to my skin is amazing. It goes on so easily and smells lovely. It is also very good value as a little goes a long way. I have told all my friends how good they are, so I am sure there will be many of us “ladies of a certain age” with beautiful skin. Thank you so much Tonik Skincare.



Easy to use, it is absorbed quickly leaving my skin silky and smooth. My face has more contour and the jowls are less prominent. I love this product and want to keep using it!



My complexion is more youthful, and the elastic texture is restored… I am starting to see a diminishment of the neck wrinkles…. My skin feels and looks more hydrated. My lines and wrinkles are less noticeable and the skin around them has filled in and become plumper.

Frequently Asked Questions

How do I use Bio Moisture Boost Serum

Apply on the face, neck and neckline in the morning and evening. Massage gently until absorbed.

Can I use this with TONIK Vitamin C Skin Refiner?

Yes, of course! TONIK Vitamin C Skin Refiner is the ultimate partner to your Bio Moisture Boost Serum! Apply the TONIK Bio Moisture Boost serum first, immediately followed by Vitamin C Skin Refiner.

How long does 1 bottle last?

When used as directed, one bottle should lasts for 1 month. Due to global supply chain issues, we recommend purchasing multiple bottles so you can keep building your results for months to come, even when it's not available on our website.

Does TONIK test on animals?

Never. We are committed to remaining cruelty-free and will never test our products or ingredients on animals.

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