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While your day and night moisturisers will help to ensure consistent hydration, adding a hydrating serum into your beauty skin care routine is the best way to provide an intense moisture surge for healthier skin. Serums contain high concentrations of active ingredients and can be applied as all-over treatments or used to target specific areas of concern. Dehydrated skin can accentuate fine lines, wrinkles, dark circles, and pigmentation so by keeping your skin hydrated with a high potency serum, you can enjoy a clearer and smoother complexion.


Hyaluronic acid is one of the best natural skin care ingredients for hydration, boasting an outstanding ability to retain water within the skin while boosting collagen levels. As you age, your skin becomes unable to maintain hydration which causes loss of firmness and elasticity, leading to fine lines and wrinkles. Collagen production in the skin also slows down which speeds up signs of premature aging. Hyaluronic acid not only delivers an instant burst of moisture but will help lock in existing hydration from day to night and support collagen production for younger-looking skin.


Due to its lightweight texture, hyaluronic acid is perfect for all skin types from the driest of skin to oilier complexions. Perfect for sensitive and blemish-prone skin, hyaluronic acid is also incredibly gentle and soothing to reactive skin types and will help retain moisture during a sensitivity flare-up.


Including a hydrating serum in both your morning and evening skin care routine is the best way to boost hydration and lock in moisture for healthy skin all day long. Our selection of Hydrating and Hyaluronic Acid Serums includes the bestselling The Ordinary Hyaluronic Acid 2% + B5 and The Ordinary Lactic Acid 10% + HA which works to exfoliate skin without causing dryness.

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Hydrating and Hyaluronic Acid Serums, articles & community

The 12 Best Hyaluronic Acid Serums

Recent reviews on Hydrating and Hyaluronic Acid Serums products

KORA Organics Noni Glow Face OilKORA Organics Noni Glow Face Oil
KORA Organics by Miranda Kerr
KORA Organics Noni Glow Face Oil

The loveliest face oil I have ever used, that actually works to keep a youthful fresh glow!

I LOVE this product so much! I started using it about 7 months ago and my skin looks so young, fresh and glowey. I'm 34 years old and nearly everyone I meet thinks I'm in my early 20s. I really believe in the power of using natural and organic products to help reduce signs of ageing on the outside (along with eating well to help reduce ageing on the inside). I use this product every morning after I have had a shower, I apply it to my face and neck, and I then apply my moisturiser afterwards. Then in the evenings, once I have cleansed and washed my face before bed I like to apply it to my face and neck and I also then apply the kora organics sleeping mask. xx
The Ordinary Hyaluronic Acid 2% + B5The Ordinary Hyaluronic Acid 2% + B5
The Ordinary
The Ordinary Hyaluronic Acid 2% + B5

Very hydrating

I have really noticed my skin has not been dry since using this serum. It goes on nicely and sinks in quickly. I usually struggle in winter with getting dry peeling skin but this has not been an issue this season. I’ve just finished my first bottle and would purchase again especially given the low price point
The Ordinary Hyaluronic Acid 2% + B5The Ordinary Hyaluronic Acid 2% + B5
The Ordinary
The Ordinary Hyaluronic Acid 2% + B5

Perfect product

Super absorbent, hydrating, smoothing. Just make sure your face and hands are completely dry before application or it becomes kind of soapy in consistency and therefore doesn’t absorb evenly. Highly recommended! An essential!
Pixi Hydrating Milky SerumPixi Hydrating Milky Serum
Pixi Hydrating Milky Serum

Broken dropper and made me break out

I really tried to love this product for the past two weeks that I’ve been using it but it just didn’t work for me. Firstly the thick consistency of the serum isn’t even picked up by the dropper. Every time you put the dropper back in the bottle, because the product collects on the surface of the dropper itself compared to the inside, so much product never fails to spill out. It is also not as hydrating as I was expecting it to be and doesn’t absorb well into the skin. Worst of all, this product made me break out. Really wanted to love it because of all the good reviews but I was left disappointed.

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