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the ordinary

The Ordinary Hyaluronic Acid 2% + B5

The Ordinary Authentic
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The Ordinary Hyaluronic Acid 2% + B5 by The Ordinary

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Hyaluronic Acid (HA) can attract up to 1,000 times its weight in water. The Ordinary Hyaluronic Acid 2% + B5 uses a range of different molecular sizes, to ensure that HA is delivered at various levels of the skin.

This formulation combines low-, medium- and high-molecular weight HA, as well as a next-generation HA crosspolymer at a combined concentration of 2% for multi-depth hydration in an oil-free formula. The Ordinary Hyaluronic Acid 2% + B5 system is supported with the addition of Vitamin B5 which also enhances surface hydration.


To learn more about how to navigate this brand, click here to read our skincare guide on The Ordinary.



We suggest this product be used within 12 months after opening


Aqua (Water), Sodium Hyaluronate, Sodium Hyaluronate Crosspolymer, Panthenol, Ahnfeltia Concinna Extract, Glycerin, Pentylene Glycol, Propanediol, Polyacrylate Crosspolymer-6, PPG-26-Buteth-26, PEG-40 Hydrogenated Castor Oil, Trisodium Ethylenediamine Disuccinate, Citric Acid, Ethoxydiglycol, Caprylyl Glycol, Hexylene Glycol, Ethylhexylglycerin, Phenoxyethanol, Chlorphenesin.

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Reviews (42)
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Great product, great price - 22-11-2017 by

Would definitely recommend. Am already onto my second bottle. Using the Ordinary HA is the first time using HA at all (and doing more than just using moisturiser), and to purchase this elsewhere (say through skincare clinics) is ridiculously expensive compared to this. It soaks in well and pairs with everything I choose to put on after. I use morning and night, normally followed by Buffet or Matrixyl and then probably a simple moisturising cream (I use Sukin) just to add in even more moisture. My skin hasnt looked back since I have started all the Ordinary products. HA is a great base to start with.

Feeling hydrated - 21-11-2017 by

So far i am enjoying this the only problem is pilling and alot of it. So will probably only use at night
Other then that i have noticed my skin is looking great

Pairs well with the HA moisturiser from the ordinary - 20-11-2017 by

This serum by it self is amazing as you can feel it being absorbed by the skin instantly. When you pair it with your daily moisturiser or a face oil on a dry skin day, you skin ends up feeling supple. I am absolutely in love with this brand and I bought 5 different things all for under $100 which is crazy in terms of pricing

Blown away - 16-11-2017 by

I recently learnt the benefits of Hydralauronic Acid through a sample product. Somehow I stumbled across The Ordinary and the brand image resonated with me. Normally I steer clear of cheap skincare but I thought I'd give this product a go, based on overwhelmingly great reviews. I was completely blown away. It does everything it said it would do, at a fraction of the price I'm accustomed to paying. My skin is soft and supple, but not oily. The product feels a bit sticky if I put too much on. Three drops is sufficient for my whole face. The Ordinary is now my new favourite brand.

Amazing - 13-11-2017 by

I always think the mark of a good skincare product is whether you miss it when you remove it from your routine. I went away recently and didn't take my hyaluronic acid. Within two days I noticed the difference, my skin didn't feel as nourished or hydrated and was visibly less plump. An absolutely amazing product for the price! Highly recommend

Best hydrator - 02-11-2017 by

The Ordinary's Hyaluronic Acid 2% is my go-to hydrator.

My skin is fairly sensitive, I can't use anything with fragrances or specific preservatives. This Hyaluronic Acid is an absolute dream.

After application it feels absolutely weightless on the skin, and the slight smell of the product completely disappears. It leaves skin feeling hydrated and plump.

I also keep a bottle of this on my desk at work for a grease-free hand cream, and it works an absolute treat!!

Absolutely love this product - 01-11-2017 by

I have always struggled with dry skin but oiliness over my nose so moisturizers have been hit and miss. This has provided excellent hydration without making my skin oily at all. The texture and tone of my skin has vastly improved in only a week. I was also the victim of sunburn on the weekend and within 2 days my skin was back to normal and looking like nothing ever happened. I can't recommend this product enough.

Great hydration booster - 30-10-2017 by

Up until this past winter I have never suffered from dry skin on my face then it just hit me. Terrible dry, stubborn patches around my mouth and cheeks that wouldn’t budge no matter how much moisturiser I put on.

I added this product before my moisturiser and it changed my skin within 2 days! My dry patches were gone and overall my skin felt amazing and soft. Refuse to use moisturiser without this guy first. Love it.

Great - 26-10-2017 by

Fab stuff - really helps my dry/dehydrated skin. Goes on very light and, once dry, plumps up my skin without being super shiny, My moisturiser glides on beautifully over the top.

Also, it feels lovely and refreshing to put on.

Meh... - 23-10-2017 by

This product was a bit of a disappointment for me. It's not bad, but I feel like it's effects are very short term and certainly don't give me any more hydration than an extra layer of moisturiser. I do have very dry skin, but I was expecting it to give me at least a little extra hydration throughout the day. But after an hour, the extra moisture it gives up front has pretty much disappeared. It also stings slightly (at least on my skin) which I don't care for at all. I'll finish up my bottle, but I think I might try something else when I run out.

Great - 16-10-2017 by

I Love it, it works on my skin, I have combination skin and more dyer on my cheek, I use it morning and night and hydrate my skin and smooth. Love it.

Good Moisture booster for dry skin. - 16-10-2017 by

This is the second time im buying this. Its hydrating and smoothing and takes a minute to sink in to the skin. I use it under powder and liquid foundation with a layer of my regular Aesop or Alpha-H face cream on top of the HA. This doesn't pill for me and a little goes a long way.

Slight better hydration - 16-10-2017 by

I've used this for about few weeks now... I believe it's assisted making my skin look more plump and less tired however it xan come off in a Bally kind of texture so I may just use it at night... As i want a smooth finish for my foundation

Love this! - 12-10-2017 by

I love this product. It is absolutely hydrating for me, and leaves my skin really smooth. I have dry skin, and I like that this is absorbed immediately as soon as I put it on my skin. I use this in conjunction with The Ordinary's Buffet and I find it to be improving the texture of my skin overtime.

Mediocre - 02-10-2017 by

I'm not sure why I didn't have better results with this product like other users but it was quite middle of the road for me.
I didn't notice improved hydration levels, the quenched effect only lasted a few minutes. On a positive it is light and sits nicely with a moisturiser

Great product for the price - 27-09-2017 by

Excellent in the winter if you have normal skin like me that needs a little extra boost in the cooler months. Great price and product -- just be careful to not use too much as it does go a long way. I put on a little bit and wait for it to soak in to see if I need more.

Moisture enhancing but so much pilling - 27-09-2017 by

I'm a little unsure about this. It definitely helps improve moisture, but does not with a few side effects - first, it's quite tacky unless you wait 15-20 minutes for it to completely absorb... and then secondly, it pills so badly, again, not so bad if you wait 15-20 minutes but seriously, who has time for that?

Didn't work for me - 20-09-2017 by

Was disappointed, I put it on under my foundation and went about only to realise my foundation slid off. Tried to incorporate into my PM routine instead but it "pilled" and came off when I was layering products. The price is great and so is the premise of hydrated skin but I am not continuing use to establish results. I have combination skin and was hoping to prevent signs of ageing and plump up a bit. Still a fan of other products from this brand, I tried so hard to like it.

On the fence - 14-09-2017 by

Hyaluronic Acid is a pretty basic ingredient in almost all moisturisers these days, so I feel like this is one of The Ordinary's least necessary products. The Ordinary advises customers to use no more than 3 of their serums in your skincare routine, and I'm afraid there's definitely 3 others I would choose over this. It also leaves a tacky feeling to the skin. It's not the worst product, it's just not one that I really find myself using anymore now that I am using the better products from The Ordinary range

Drying? - 12-09-2017 by

I've been using this for the past couple of weeks and I noticed I have less oiliness, or dare I say dryness on my cheeks. Could it be that because my skin is moisturised, it is producing less oil? I have combination skin, so this is great for my T zone, but I apply extra moisturiser on my cheeks to counter the dryness. I wouldn't change a thing and I wish this product was around during my teens!

Not great in low humidity climates! - 21-08-2017 by

Be aware before you jump on the hyaluronic bandwagon that this acid has to draw moisture from somewhere and if there is no moisture in the environment you live in, it will suck it from your skin rather than adding moisture to it. Living in Perth in the middle of winter, this left my sin parched, tight and itchy.

Good product - 10-08-2017 by

this formula feels kinda of sticky and thick however once its on your skin and drys its perfect! extremely hydrating and works well with the buffet :)

Game changer - 08-08-2017 by

Instantly hydrating and plumping. As other reviewers have said, wake up with a face as soft as a baby's bottom.Best used before, or mixed with, your final stage of a moisturiser/oil. I love mixing this with The Ordinary Rosehip or Squalane oil.

Skincare Go To - 01-08-2017 by

I would highly recommend adding this product to your skin care routine. I apply to product morning and night before applying any of my other serums and I just find it is a great base of hydration to have in your regimen. It is super affordable and smells great! I couldn't go a day without applying my Hyaluronic Acid and I'll definitely be coming back to get this product again once my bottle is done :) My skin has not felt more hydrated during winter!

Did not work for me - 30-07-2017 by

I have very oily skin and this did the complete opposite of what it's meant to do. After 4 days of using this product, it left my skin tight and dehydrated. I have had better results from Deciem's Hylamide Low-Molecular HA.

It's great to know it works amazingly for other people, but unfortunately I'm not one of them.

Try it, it's cheap and works wonders - 27-07-2017 by

I was hesitant to try this but after trying so many up-market brands and them not doing anything, I figured I had nothing to lose. I got this and The Natural Moisturising Factors. My skin has never been this good, and it's during a Melbourne winter.

Amazing - 23-07-2017 by

Cheap, nice packaging, works amazingly. This with the Niacinamide works so well together. My pores have been reduced, my breakouts smaller and my skin softer. It's easy to apply and for such a cheap product is does wonders.
I love this and will be buying again :)

Very light and not oily at all - 21-07-2017 by

I've not really had a skincare routine before, but recently I started using this moisturiser in conjunction with a the Skinstitute Gentle Cleanser. I've only been using it for a few weeks now but I really love it. It is incredibly light - not oily at all - and I find that it absorbs into my skin like water into a paper towel. It just vanishes from my face (or into my face as is the case) in seconds leaving my skin feeling refreshed and also tighter than before, tighter in a good way. My skin feels refreshed and soft throughout the day, and I also believe it has a positive impact on my skin creases and wrinkles. I definitely recommend this product, especially considering its low price.

best suited to normal or combination skin types - 18-07-2017 by

I liked using this product, it was lightweight and the packaging made it really easy to use. The serum absorbed into my skin really easily with no residue and a nice simple scent. I think the formula is more suited to normal to combination skin types as my skin is very dry and needs something a bit heavier and richer.

Better for normal/combo skin - 17-07-2017 by

I think this product is best suited to normal/combination skin types or someone who is looking for a lightweight treatment.

easier than moisturising - 17-07-2017 by

I've never really been a huge fan of moisturising as I don't really like that kind of moist feeling it leaves on my skin, but this really seems to absorb quickly and it leaves my skin feeling more refreshed than anything. It's super easy to just put a few drops on my skin after a shower, and it has a noticeable effect for at least a good 12 hours afterwards, my skin has even felt noticeably less oily 24 hours or more after using it.

very lightweight - 17-07-2017 by

I don't usually moisturise my skin because it's quite oily and prone to blackheads. I have been using this instead of a moisturiser and find it's a really good alternative for my skin type. I like that it doesn't really have a scent at all, and it absorbs really easily into my skin.

I really like the fact that this is affordable, so if I go overboard and use too much I'm not worried about it. Since using this and the NIOD Sanskrit cleanser, my skin has started to feel less oily and congested and is much more comfortable throughout the day.

LOVE LOVE LOVE ❤️ - 12-07-2017 by

I saw Jaclyn Hill do a skincare routine and she said she uses Hyaluronic Acid, so I thought I'd see if I could find it and if it was affordable. I am soooo glad I did. Iv only been using this for 3 days and I can already see a huge difference in my skin. This is so so amazing!!! I cannot wait to order more from The Ordinary range.

Great product! - 10-07-2017 by

As a beauty therapist I have used a lot of different Hyaluronic acids in the past and am always making clients to use them too as an essential part of a skincare routine. I've purchased and been using The Ordinary' s one as a trial and am quite blown away! Not only is it stronger than most of the ones that are readily available but it's so cost effective it's ridiculous! My skin has been looking and feeling so hydrated! I am very impressed and have now purchased another dozen products to try from the range!

Beyond Amazing!!! - 29-06-2017 by

I have been using this at night with the rose hip seed oil and my skin has never been this clear before. I have combination oily-dry skin so I find it hard to find the right balance. I also have been using the niacinamide/zinc serum in the morning for oil control and this at night for a moisture boost.

An outstanding hydration product - even for oily skin! - 21-06-2017 by

I have just purchased quite a few items from The Ordinary and this one is fantastic. I have oily prone skin and since I've been using this at night to hydrate, and alternating it with the Niacinamide, my skin looks better than ever!

Absolute I love it - 29-05-2017 by

For me the serum is really good I'm impressed

Feels fantastic - 20-05-2017 by

Feels great on the skin lightweight and absorbs quickly. Packaging is wonderful and looks high end.

OMG - 21-04-2017 by

I recently was diagnosed with eczema around my eyes and so I have been trying to find suitable skin care that wont make my skin crawl and crack.

I have used this once tonight together with the Retinoid Cream and the Moisturizing cream. OMG I have not felt relief like this in months!!!!! I am so happy I stumbled upon this skincare line!

Saviour for my Dry and Flaky skin!!! - 20-04-2017 by

I use this serum right after I take shower to lock in natural skin hydration. It plumps up my skin and makes my skin ready for moisturiser. I recommend this because I have dehydrated & flaky skin and this always helps combat that. I am in love with the Ordinary Range already. Love... Love... Love... Cant praise it enough. Highly recommend!!!!

Great Serum! - 06-04-2017 by

The Ordinary falls under the umbrella of Deciem which also created NIOD (and its amazing neck gel!). Their products are all free of animal testing, sulphates, mineral oil, and mercury.

I decided to try this because I wanted to put more benefit of Hyaluronic Acid onto my skin. This product is free from silicone and alcohol. I have use this for almost two weeks as part of my PM skin care and noticed the difference with my skin in the morning (brighter and less tired-looking). I'd love to try their Vitamin C suspension next time :-)

This is the BOMB - 13-02-2017 by

I am one of the few who in the past who have found previous Hyaluronic Acids have dried my skin out. It would feel worse than if I haven't used it. Weird I know.
But this product is amazing. I have Oily Combo skin that is dehydrated. I used it for the first time at night followed by tThe Ordinary Natural Moisturizing Factors lotion and woke up the next morning with skin like a baby's bottom !
So soft and PLUMP that lasts all day.
This goes a long way so you only need 2 or 3 drops. Now I use it morning and night after cleanser and toner and before night time skin care or morning moisturiser.
Highly recommend

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