the ordinary marine hyaluronics review vs hyaluronic acid + b5

Hey guys! Long time no DECIEM review! Today I’m back with another interesting product from The Ordinary, called Marine Hyaluronics.

This product seems to have been launched as a response to some customer feedback on the The Ordinary Hyaluronic Acid + B5. I have actually been using that, but I never got around to doing a proper review on it. Today, we’ll kill two birds with one stone and talk about both products.

The Ordinary Marine Hyaluronics Review

Product Information (from the Deciem website)

Marine Hyaluronics brings together lightweight marine-derived water reservoirs that attract and hold water like hyaluronic acid (HA) but are lighter than HA in texture and feel. The formula contains exopolysaccharides from skin-friendly marine bacteria, Hawaiian red algae, Glycoproteins from Antarctic marine sources, micro-filtered blue-green algae and several health-supporting amino acids. All marine derivatives in Marine Hyaluronics are sourced sustainably. The total concentration of active ingredients in this formula is 23%. 

This formula is exceptionally light in texture. If you prefer a more viscous formula, please explore Hyaluronic Acid 2% + B5.

The Ordinary Hyaluronic Acid Review + Comparison to The Ordinary Hyaluronic Acid + B5

I feel like I can’t talk about this product without comparing it to the original Hyaluronic Acid + B5. But before we dive into that, let’s talk about what exactly hyaluronic acid is, what it does, and how to use it in your skincare regimen to get the best results.

Here is some information from the Deciem website about what Hyaluronic Acid does.

Hyaluronic Acid (HA) can attract up to 1,000 times its weight in water. The molecular size of HA determines its depth of delivery in the skin. This formulation combines low-, medium- and high-molecular weight HA for multi-depth hydration. This system is supported with the addition of Vitamin B5 which also enhances surface hydration. 

Many products have used HA to claim hydration benefits, but HA is too large of a molecule to penetrate the skin and instead sits on the surface and can draw moisture out of the skin making the surface feel soft and hydrated temporarily, while making you feel like you need more HA after the product is rinsed. This formula uses three forms of HA with varying molecular weights, as well as an HA crosspolymer, to offer multi-depth hydration and visible plumping without drawing water out of the skin solely to improve temporary surface hydration. 

From what I understand, this is a special version of their hyaluronic acid serum, this time made from Marine Actives. This has a much thinner consistency than the original hyaluronic acid serum. Apparently they had received some complaints that the original Hyaluronic Acid + B5 serum is too thick and takes too long to absorb. As you can see from the video, Marine Hyaluronics literally has the consistency of water. It absorbs pretty quickly and does not feel heavy on the skin.

As you saw from Deciem’s description of hyaluronic acid, when used incorrectly it can draw moisture out of your skin. So I always use a hydrating toner like the Hylamide Hydra Density Mist or the Mario Badescu Facial Sprays before I apply my hyaluronic acid serum. This gives the hyaluronic acid some actual moisture to attract. This is my go-to way to hydrate my oily skin most days.

So in conclusion, if you liked the original Hyaluronic Acid but you wanted something with a lighter feel and a thinner consistency, you’re going to love The Ordinary Marine Hyaluronics. 

Have you tried either of these products? Let me know what you think down below.


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