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The Ordinary Lactic Acid 10% + HA 2%

The Ordinary Authentic
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The Ordinary Lactic Acid 10% + HA 2% by The Ordinary

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Lactic Acid is an alpha hydroxyl acid that exfoliates the skin. The Ordinary Lactic Acid 10% + HA 2% offers mild exfoliation and is supported with a purified Tasmanian pepperberry known to reduce signs of inflammation and sensitivity that is often associated with exfoliation.

The Tasmanian Pepperberry derivative helps to reduce irritation associated with facial acid use, including alpha-hydroxy acids such as lactic acid. Please note that Tasmanian Pepperberry varies in colour seasonally, and this colour variation may be apparent in The Ordinary Lactic Acid 10% + HA 2%.

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

When to not use The Ordinary Lactic Acid 10% + HA 2%: Lactic Acid should not be used on sensitive, peeling or compromised skin. Please refer to additional sun protection note and other warnings in provided Directions. Ensure that this formula is introduced slowly into your routine.

This pH of this formula is approximately 3.8. Lactic Acid has a pKa of 3.8 and pKa is the most important aspect to consider in formulating with acids. pKa implies acid availability. When pKa is close to pH, there is an ideal balance between salt and acidity, maximizing effectiveness of the acid and reducing irritation. Higher pH numbers in such a case would increase salt which counter-intuitively would make the formula even more irritating than if the formula was more acidic.

 After opening, this product must be used within three months.


Aqua (Water), Lactic Acid, Glycerin, Pentylene Glycol, Propanediol, Sodium Hydroxide, Sodium Hyaluronate Crosspolymer, Tasmannia Lanceolata Fruit/Leaf Extract, Hydroxyethylcellulose, Isoceteth-20, Trisodium Ethylenediamine Disuccinate, Ethylhexylglycerin, 1,2-Hexanediol, Caprylyl Glycol.

Our formulations are updated from time to time as part of our commitment to innovation. As such, the ingredient list shown here may vary from the box of the product depending on time and region of purchase. Lactic Acid has a natural odour that some people find unpleasant. This formula was updated in October 2017 to use a grade of lactic acid that has no odour per customer feedback. Additionally, this update removed the use of carrageenan, a seaweed-based viscosity-enhancer, also due to feedback from customers. These changes improve the sensory aspects of the formula but do not impact efficacy.

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Reviews (10)
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Amazing! - 05-02-2018 by

This product is part of my skin regimen together with 3 other The Ordinary products. And my skin never looked better! My skin type is oily since I was in my teens but now its so much better. The best thing about these products is that they’re super affordable. And I’m always for something that wont hurt your bank and works!

Definitely helps with hyperpigmentation - 04-12-2017 by

I use this product in conjunction with The Ordinary's Vitamin C Suspension 30% in Silicone as well as The Ordinary's Advanced Retinoid 2% products. While I had been using the Vitamin C and the Retinoid products for some time, it wasn't until I added the Lactic Acid to my routine that I saw a noticeable difference. Hyperpigmentation that covered parts of my cheeks seemed to break up and has been fading. I noticed an improvement in my skin after about 2 weeks of using the Lactic Acid. My partner, just as skeptical as I am about ridiculous skincare claims, has also remarked on the difference in the hyperpigmentation.

I use these products in a 4-night cycle. Lactic Acid on the first night, the Vitamin C the second and the Retinoid the third night. In addition, once these products are absorbed I follow up with a combination of The Ordinary's Rosehip and Marula oils. On the fourth night I give my skin a rest and use Rosehip and Marula oils only.

I can't say whether this routine would work for you, but it's done wonders for me.

I have mature (45 yrs) olive combination skin.

Gently exfoliates and helps my dry clogged pores on my cheeks - 22-11-2017 by

I like it, it gently peels the problem skin I have been having (where skin on my chin and cheeks gets built up and wont exfoliate, leading to trapped dry pimple/pores). I am still working on the amount I to use and how frequent I should use it, but so far I have had no issues with the product. I haven’t used acids before and have no issue with it as it seems quite gentle.

Effectively treats keratosis pilaris - 02-11-2017 by

I use The Ordinary's Lactic Acid 10% +HA 2% on the back of my arms where i suffer from keratosis pillaris, an over production of keratin in the skin, blocking the pores and creating little white bumps (yuck!).

It is extremely effective at keeping my KP at bay, and my arms smooth. I was very self conscious about it for so long, and now am so happy with my skin!!

Great product and price - 22-10-2017 by

This is fantastic. I use it every second day at night and always wake up with moisturised and beautiful looking skin.
I will be buying this again.

Loving my skin - 10-10-2017 by

I use this as a part of my weekly skin routine and the results have been beautiful, my skin looks clearer and more refined. Will definitely be buying this again to keep it a part of my skin routine.
Trying this was stranger for the first time because I hadn't tried chemical exfoliants before, but I am definitely a convert after seeing and feeling the results.

Love this! - 27-09-2017 by

I have normal skin and this is an excellent night exfoliation a few nights a week. Love the way it feels --- it isn't as powerful as Liquid Gold so if you are looking for something to use more frequent then this would be the one.

Love this product for my keratosis pilaris! - 22-09-2017 by

This is fantastic! I use it at night, several times a week. It's been amazing, I highly recommend this product if you have the dreaded "chicken skin" on your arms/legs. I use it on my face a could times a week as well, and it has definitely made my skin clearer. But mostly I am blown away by how well it has treated my keratosis pilaris, because that is so difficult to treat.

Gentle but thorough exfoliant - 11-07-2017 by

I use this three to four times a week as part of my regime, and have found it to be hugely gentle but effective in exfoliating my skin. I have dry/combination skin and was concerned at first it would dry me out or give me rashes but it does the opposite - absorbs greatly and gives me noticeably brighter and cleaner skin.

In Love - 02-06-2017 by

I use this every second night as a part of my skincare regime. I'll either apply a generous amount and leave it on my skin as a 'mask' for 15 minutes and wash off, or apply a smaller amount and tap into my skin until it is absorbed. I would say that it doesn't usually absorb fully and can leave a tacky like feeling on the skin but other than that it is great. I used to always use abrasive exfoliators that you physcially rub across your skin but I found not only were they aggravating my already tender acne prone skin but that it wasnt actually giving me long term results. Since finding the Ordinary Skincare range and reading the science behind AHAs I'm hooked on this product. My skin is feeling softer and glowing more than it ever has. While it hasn't erased my acne scarring completely it's definitely helping the blemishes fade faster.
Can't wait until Adore Beauty stocks the AHA 30% + BHA 2% Peeling Solution so I can try this exfoliating product from The Ordinary next!

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