Oskia Isotonic Hydra Serum


Skin Type:

Combination, Dry, Normal, Oily, Sensitive

Skin Concern:

Ageing, Dehydration, Dryness, Dullness, Sensitivity



Categories: ,

Oskia Isotonic Hydra Serum is an intense biomimetic hydration serum that uses 16 synergistic bioactives to soothe, hydrate and plump.


In stock



Oskia Isotonic Hydra Serum is an intense biomimetic hydration serum.

This innovative serum uses 16 synergistic actives to comfort, hydrate and promote a more supple-looking complexion.

Hyaluronic Acid and Glycerin infuse the skin with instant hydration while other actives strengthen the skin’s own capacity to hold onto moisture, given you immediate and long-rm benefits.

Why Oskia Isotonic Hydra Serum?

Oskia Isotonic Hydra Serum is a deeply penetrating serum. It contains biomimetic Hydaluronic Acid, Electrolytes, Amino Acids and Ceramides to improve skin comfort, support skin function and encourage a dewier complexion.

These carefully selected ingredients strengthen the barrier, calm stressed skin and promote suppleness.  A strong skin barrier enables the skin to better defend itself against external stressors and to hold onto moisture so that it looks plumper.

Unlike Hyaluronic Acid, which is thick and goopy, this serum is lightweight and easily soaked up by the skin.

Oskia Isotonic Hydra Serum ingredients

The key ingredients in Oskia Isotonic Hydra Serum are:

Biomimetic Hydra Complex comprising 16 synergistic actives and amino acids. This reduces the destruction of Hyaluronic Acid by enzymes in the skin and provides the building blocks for its production.

Hyaluronic Acid, Polyglutamic Acid and Glycerin provide instant hydration and plump the look of the skin. You can read more about what the big deal is with Hyaluronic Acid here.

Electrolytes work to push water into the skin and balance its water and oil levels.

Encapsulated Glacier Water cools the skin and improves hydration.

Niacinamide strengthens the skin barrier and signals to fibroblasts to produce more collagen. Niacinamide also brighten the skin, balance uneven tone and promote clearer skin.

Panthenol, pro-Vitamin B5, helps with cell repair and renewal. It boosts skin hydration, soothes the skin and promotes healing.

Pentapeptide P5, Bisabolol, MSM and Horse Chestnut significantly calm inflammation, irritation and redness. Pentapeptide P5 is a five Amino Acid Peptide.

Oat Ceramides calm and soothe the skin, while also supporting the skin barrier.


  • Protects against enzymes that degrade Hyaluronic Acid in the skin.
  • Provides the building blocks the skin needs to build Hyaluronic Acid.
  • Gives the skin a hydration boost. Supports the skin barrier function.
  • Calms the skin and reduces hyper-reactivity.

Best for

Oskia Isotonic Hydra Serum suits all skin types.

It is especially helpful for anyone prone to acne, dryness, sensitivity or rosacea.

Good to know

Barely perceptible scent of Lavender Water.

Oil free and non-comedogenic.

Cruelty free.

Perfect pairs

Oskia Isotonic Hydra Serum is a super lightweight serum that has been developed to easily sink into the skin.

It can be used before other serums and creams without leaving a sticky residue or causing pilling.

We like to use it after the Oskia Renaissance Cleansing Gel and before the Oskia Nutri-Active Day Cream or the Oskia Renaissance 360 Supreme Cream.

Brand ethos

Oskia has taken out many prestigious beauty awards. It’s also a favourite of beauty expert Caroline Hirons.

Oskia believes that cellular nutrients are central to skin health. It extensively researches its ingredients to find those that deliver results while being kind to the skin.

The brand uses science and unique patented technologies to deliver nutrients and bioactives deeply into the skin. It focuses on ingredients that are already present in the body so that cells can use them as building blocks for cellular processes.

Oskia also focuses on being environmentally and socially more sustainable.

You can read more about Oskia on our brand page.

Oskia Isotonic Hydra Serum review

I have tried sooo many hydrating serums out there, and this is by far the best of them all! I did use one brand for two years and I thought that no other serum could be better … until I used this one! Seriously, if you have dehydrated and dry skin like me, this is heaven!


How to use

Gently shake Oskia Isotonic Hydra Serum before use.

Apply to cleansed skin morning and evening, ane whenever skin needs extra hydration.

This serum is ideal after a skin treatment or skin is reactive.



Active ingredients

MSM, Niacinamide, Panthenol, Acetyl Glucosamine, Gluconolactone, Sodium Hyaluronate, Oat Ceramides, Calcium Ketogluconate, Horse Chesnut and Amino Acids.


Lavandula Angustifolia Flower Water, Aqua (Water), Glycerin, Dimethyl Sulphone (MSM), Niacinamide (Vitamin B3), Panthenol (Provitamin B5), Acetyl Glucosamine, Leuconostoc/Radish Root Ferment Filtrate, Gluconolactone, Sodium Hyaluronate, Avena Sativa (Oat) Kernel Extract (Oat Ceramides), Calcium Ketogluconate, Betaine, Sodium Gluconate, Sodium Chloride (Himalayan Salt), Sodium PCA, Bisabolol, Aesculus Hippocastanum (Horse Chestnut) Seed Extract, Butyrospermum Parkii (Shea) Butter, Potassium Chloride, Pentapeptide-59, Polyglutamic Acid, PCA, Sodium Lactate, Serine, Alanine, Glycine, Glutamic Acid, Lysine HCL, Threonine, Arginine, Proline, Inulin Carbamate, Sclerotium Gum, Hydrogenated Lecithin, Pullulan, Silica, Maltodextrin, Citric Acid, Sodium Benzoate, Xanthan Gum, Lecithin, Sodium Hydroxide, Ethylhexylglycerin, Potassium Sorbate, Alcohol, Phenethyl Alcohol.


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