“When nothing else has worked, this has! My skin looks great. Wow is all I can say.” – Elizabeth Customer

To hydrate, restore and plump skin





Repairs skin barrier


Apply after cleansing

For best results, apply on damp skin

Apply your moisturizer/SPF after


Rough Texture

Loss of elasticity

Compromised skinbarrier

1 Unit $23.00
2 Units Save 15% $19.55 / unit
3 Units Save 20% $18.40 / unit
Free face mask set + Free shipping on $90 orders

Complete the Regimen


If your primary skin concern is one or more on this list: dehydration, dryness, lack of elasticity, dull skin, rough texture and more generally signs of aging, we can now help you target them with the exact combinations of skincare products.

For a more hydrated, replenished and firmer complexion, we recommend to start with our Vitamin C Cleanser, for a boost of antioxidants, and pair our Vitamin C Serum with our Hyaluronic Acid Serum, for in-depth hydration, increased resilience and protection against free radical damage. Top your routine with our Retinol Moisturizer to enhance results.

  • What's Included
  • Full Ingredients List



Kleem Organics’ Hyaluronic Acid Serum is the ultimate hydrating serum to restore and nourish skin in depth. Featuring low and high molecular weight super humectant hyaluronic acid, Vitamin E and Green Tea, Kleem Organics’ Hyaluronic Acid Serum visibly plumps, hydrates and helps reduce signs of aging.

Hyaluronic acid promotes a plumping and firming effect and long-lasting hydration while Vitamin E has a powerful antioxidative action and helps repair the skin’s natural moisture barrier. This concentrated hyaluronic acid serum has a lightweight consistency which makes it ideal for both your morning and night routine thanks to its ability to retain moisture content in skin leaving it feeling luxuriously smooth, dewy and soft to the touch.


Always keep in mind that if skin is sufficiently hydrated, it feels super-soft, plump, smooth and pillowy and looks so much more radiant and healthier. So, if your skin is dehydrated, dry and dull looking, you need to start from one precious ingredient that is hyaluronic acid. Soak your skin in Kleem Organics’ facial serum blended with a high concentration of botanical Hyaluronic Acid and potent antioxidants to start and finish your day with a beautiful and natural glow.

The Key Natural & Organic Ingredients

Hyaluronic Acid

Provides natural hydration and moisture to the skin

Green Tea

A gentle ingredient well-known for its antioxidant, soothing and anti-aging properties. It also balances sebum production and improves the appearance of sun-damaged skin.

Centella Asiatica

It is a multitasking ingredient thanks to its active compounds. It has powerful antioxidant, soothing and anti-inflammatory properties.

Vitamin E

Prevents oxidative damage to cells by helping to remove free radicals



We always formulate without 1,300+ banned Ingredients, including:

Parabens, Mineral Oil, Sulfate-based Detergents, Synthetic Fragrance, Petroleum-based Ingredients, Phthalates, Formaldehyde and GMO Ingredients.

Good for your Skin – Good for our Planet

On September 17th, 2019, we adhered to the Donations program as part of Kleem Organics’ commitment to achieve net-zero carbon emissions globally by 2040, ten years in advance of the Paris Agreement.

We donate inventory to selected charitable organizations which include: Age UK, Barnardo's, British Heart Foundation, Cancer Research, Newlife, Salvation Army, Scope, Sue Ryder, TRAID and others. With more than 15,000 products donated to date, our commitment to a flourishing planet has only just begun.


We formulated our Hyaluronic Acid Serum to guarantee your skin with in-depth hydration, protection and comfort. With our highest concentration of hyaluronic acid, Vitamins C and E and soothing Green Tea, our daily-use serum supplies your skin with up to 24 hours of moisture and nourishment.

Suitable for all types of skin from sensitive to oily, its lightweight yet concentrated formula will give your skin the nutrients it needs on a daily basis and a silky-smooth finish you will see and feel.

Kleem Organics’ Hyaluronic Acid Serum

  • Infuses all skin layers with in-depth hydration
  • Fortifies the skin’s natural lipid barrier
  • Protects the skin from environmental aggressors
  • Smoothens the appearance of lines and wrinkles
  • Enhances the skin natural glow
  • Fights production of free radicals
  • Testimonials
  • How to Apply
  • FAQs



  • Ginger
  • Susan
  • Francis
  • Micheal
  • Caroline


Pure hydration. Your skin will love this!

Unbeatable union between high quality and affordable price point! I use the hyaluronic acid serum every day for a boost of hydration before layering my Kleem Retinol Moisturizer. Right after application my skin feels hydrated and much smoother. I can definitely feel the difference vs. using just the moisturizer alone. Really happy to add this step to my routine and will definitely be buying again!

- Ginger


Baby Soft Skin!!!!

For me this product is an absolutely fabulous YES!! Finally a product that doesn’t have an extremely fancy packaging or intense fragrance that drives up the price but does nothing for your skin. The packaging is functional, hygienic and secure for travel and the quality of the product itself is amazing. It doesn’t break me out, so it’s good for sensitive skin, and it leaves my face smooth and baby soft to the touch.

- Susan


I’m sold on this brand!

Yeah, I am a skincare snob, and I LOVE Kleem Organics. They are reasonably priced and their ingredient list is fantastic. This hyaluronic acid serum is lightweight, delicate yet super hydrating, my skin feels smooth and supple after application and it works beautifully with all my other skin care products. I combine it with the Vitamin C Serum when I look for that extra glow and they work wonders together.

- Francis


Look no further and get this!

I have used all kinds of face serums and face lotions but this is by far the best and amazingly enough also the cheapest. This product does what it is says and it definitely helped me with my thirsty skin. Highly recommend!!

- Micheal


Skin life Saver!

I have sensitive skin and I react to many products. I use this every day and night and it glides amazingly without causing any irritation. I can also use it under my make-up and it works great as a primer. My skin feels more hydrated and smoother throughout the day and it has also helped my fine lines become less visible! Thank you so much for such a lovely product!

- Caroline


How To Apply

Step 1 of 5

Cleanse your face, neck and décolleté with a 5.5 pH level cleanser that restores the skin's barrier and helps keeping your skin hydrated and nourished. (Kleem Organics’ Turmeric and Vitamin C Facial Cleanser is recommended.)

Use lukewarm water in order to melt away pollutants, dirt, sebum and fragrance. The temperature of water is important as cold water can tighten your pores and this can trap bacteria and debris and won't clear out your skin as easily as using warm water. As a consequence, unclean skin will not absorb effectively all your skin care products. On the other hand, hot water causes capillaries to burst, resulting in redness and inflammation.

How To Apply

Step 2 of 5

Apply your toner as it helps to remove any residue of make-up left after cleansing, it also protects your skin, removes chlorine and minerals present in tap water and it increases absorption of your next skin care products.

How To Apply

Step 3 of 5

Dispense one/two drops of our Hyaluronic Acid Serum onto your fingertips and rub them lightly together. Gently tap the surface of your cheeks, forehead, chin and neck with your fingers for 30 seconds. Do not stretch, pull or rub the skin. The tapping action encourages the serum to sink fully into the deeper layers of the skin for utmost efficacy.

Use Kleem Organics’ Hyaluronic Acid Serum twice a day, morning and evening.

Extra tip: Hyaluronic Acid needs to be applied to damp skin in order to be more effective. In fact, applying it to a dry face can have the opposite effect of what is intended, and actually leave skin more dehydrated. In fact, Hyaluronic acid is a moisture magnet and if your skin is dry, it pulls any residual moisture from the deeper layers of skin to hydrate the surface. This is why it is best to apply it to moist skin. Once hyaluronic acid comes into contact with water, it knows what it's doing and your skin will end up hydrated and plumped.

The more moisture you combine Hyaluronic Acid with, the better it performs. Think of your regimen as a hydration "sandwich" — spritz your face with water or a facial mist, apply the hyaluronic acid serum, then spritz again and apply your moisturizer/sunscreen.

How To Apply

Step 4 of 5

Let the Hyaluronic Acid Serum absorb completely into the skin for a couple of minutes. Hyaluronic Acid has naturally a dense and gooey texture.

Extra tip: Hyaluronic is a humectant. That means that it draws moisture and holds onto it so that the skin can absorb it. This all seems very straightforward - but there is a catch. You must lock in the Hyaluronic Acid Serum with a good moisturizer.

FYI: Any serum should be followed by a moisturizer to allow a good “lock-in”.

How To Apply

Step 5 of 5

You can now apply your eye cream moisturizer, facial oil and sunscreen. Kleem Organics Firming Eye Cream and Retinol Moisturizer are recommended.

Combined together they boost moisture levels and target specific skin conditions. Moisturizers and face oils give the additional emollients that extra dry skin may need.


FAQ – Frequently Asked Questions

Yes, absolutely. Hyaluronic Acid is a lightweight hydrator and it supports your skin by retaining its moisture content and increase its resilience hence reducing irritation and redness. It is not as powerful as other ingredients used to specifically treat acne but it can help as all skin types need to be properly hydrated to be healthy. We suggest to combine the hyaluronic acid serum with your specific acne treatment for best results.

Yes, absolutely. Retinol is a fantastic ingredient to speed up cellular turnover and boosts collagen, while hyaluronic acid helps draw water into the skin providing a plump, glowing complexion. The combination of these two ingredients is a powerhouse of hydration and replenishment.

Yes, the HA serum can be used both in your morning and night routine.

Yes, you can absolutely use the HA Serum in combination with a derma roller. Given that hyaluronic acid is a hydrating ingredient that replenishes skin and that dermarolling will optimise your skin care products absorption, the derma rolling treatment will maximise the action of the hyaluronic acid-based serum.

The hyaluronic acid serum is colourless (transparent) and has a lightweight consistency.

No, the Hyaluronic Acid Serum does not have a scent.

The PAO is of 12 months.

Yes, Hyaluronic Acid has many beneficial aspects. It has restorative abilities and can boost skin’s moisture content, soothe, and defend against moisture loss and as an antioxidant it provides defence from environmental aggressors. It is capable of holding up to 1,000 times its own weight in water, making it an optimal hydrator for all skin types. Furthermore, hyaluronic acid can improve skin’s ability to stay hydrated, visibly decrease wrinkle depth and surface roughness.

The Hyaluronic Acid Serum is not formulated for the eye area however, this area can absolutely get benefits from the hydrating and humectant properties of Hyaluronic Acid. If you have specific concerns related to your eye area, such as dark circles, puffiness and bags, we recommend to try Kleem Organics Peptides Firming Eye Cream that is formulated to help reduce the look of dark circles and puffiness while restoring and repairing the delicate skin barrier around your eyes.

No, none of our products are tested on animals. We are cruelty free and PETA certified.

Being that our body naturally produces Hyaluronic Acid and the production of Hyaluronic Acid decreases as years go by, you can start using the product at a very early age just to keep your skin constantly hydrated. We usually recommend the use of the Hyaluronic Acid Serum from an age of 20 onwards.

Yes, Hyaluronic Acid can be paired together with these two ingredients. Even if the word ‘acid’ often misleads people into believing that hyaluronic acid is similar to exfoliating acids, hyaluronic acid is not an acid but a sugar molecule, one of the major structural components of our skin. It does not increase skin cell turnover and does not cause purging. Hence, the combination of Hyaluronic Acid with either Glycolic or Salicylic Acid is absolutely fine and is not aggressive on the skin.

Yes! If you're unfamiliar with hyaluronic acid, it might take you a little while to get used to the slightly sticky feeling after its application. Please let us reassure you that it's meant to be that way. The sticky feeling fades after the serum has been absorbed so it lasts only a few minutes and the skin will feel soft and beautifully hydrated.

The bottle contains 30ml (1fl oz). of Hyaluronic Acid Serum.

With a twice a day application, the bottle should last approximately one month/one month and a half as only one or two drops are needed per use.

Aqua (Deionized Water), Aloe Barbadensis Leaf Juice (Organic Aloe Vera), Glycerin (Kosher Vegetable Glycerin), Dimethyl Sulfone (Msm), Caesalpinia Spinosa Gum (Botanical Hyaluronic Acid), Hamamelis Virginiana Water (Witch Hazel), Sodium Ascorbyl Phosphate (Vitamin C), Tocopheryl Acetate (Vitamin E), Simmondsia Chinensis Seed Oil (Organic Jojoba Oil), Centella Asiatica Extract (Organic Gotu Kola), Camellia Sinensis Leaf Extract (Organic Green Tea), Equisetum Arvense Extract (Horsetail Extract), Geranium Maculatum Extract (Wild Geranium), Taraxacum Officinale Extract (Organic Dandelion), Pelargonium Graveolens Flower Oil (Geranium Essential Oil), Acrylates/C10-30 Alkyl Acrylate Crosspolymer, Organic Sugar Cane derived Alcohol, Carrageenan, Hydroxyethyl Cellulose, Rose Ether, Ethylhexylglycerin.

Yes, absolutely. You can refill the bottle with any skin care product/makeup product after you finished the serum. And if you wish to send the finished product back to us, we will start its recycling procedure.

Unless the product arrives damaged or defective, we generally encourage people to apply the product consistently twice a day for a period of 30 days before notifying us about their unsatisfaction. In any case, we are always available for offering our suggestions and support. You can always reach out to us at: customersupport@kleemorganics.com

Hyaluronic Acid Serum Overview


For intense hydration and moisture


Hyaluronic Acid, Vitamin E, Centella Asiatica and Green Tea

Skin Tone

Fair - Medium - Medium Dark - Dark

Skin Type

Combination - Oily - Normal - Dry - Sensitive


Lightweight and fast-penetrating.


Non-comedogenic - Paraben & Alcohol Free - Suitable for Sensitive Skin

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In the Press

Aside from tens of thousands of satisfied customers and aestheticians from around the globe, Kleem Organics® has also garnered attention from leading Health and Beauty magazines.