Osmosis +MD Catalyst AC-11 Level 3 DNA Repair Serum


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Catalyst AC-11 is one of the most impressive achievements of Osmosis +MD. It provides powerful antioxidant protection and increases DNA damage repair by up to 33%. Alongside, a powerful combination of Vitamin C with Amino Acids and Minerals stimulates collagen production, boosts hydration level and nourishes the skin while improving its elasticity.
Gradually skin becomes firmer, brighter and smoother while broken capillaries, wrinkles, fine lines, and scars will fade and become less noticeable.
Osmosis +MD Catalyst AC-11 Serum is a level 3 repair serum that is appropriate for all skin types. If you are new to Osmosis serums please, carefully read instructions ‘How to Use’


Powerful antioxidant protection

Increases DNA damage repair by up to 33%

Contains Vitamin C and Amino Acids

Stimulates collagen production

Improves elasticity level 

Minimises fine lines and redness 

KEY INGREDIENTS: Vitamin C – potent antioxidant that neutralises free radicals and stimulates collagen production, aids in the skin’s natural regeneration process.
Amino Acids - boost hydration levels and nourish cells helping improve the skin's elasticity
Minerals, Aloe Vera, Zinc and Honeysuckle Extract
IDEAL FOR: Anti-aging, sun damage, hyperpigmentation, fine lines & wrinkles, loss of firmness, scars, and bruises.
SKIN TYPES: All skin types.

Vegan, Cruelty-free 

Products may vary from product image due to manufacturer packaging changes.

The before and after image shows the difference between day 1 and day 147 of using Osmosis Skincare. As well as Catalyst, the client was also using Purify, Clarify, Protect, Quench and Polish.

Read more about Catayst AC-11 Serum below:


Catalyst AC-11 contains the patented technology that is proven to increase DNA repair by 33%.

The serum is packed with combination of Vitamin C, amino acids and minerals that encourages the skin to increase the production of collagen and elastin. It also gives you sun protection and promotes wound healing.  As a result, wrinkles look less severe and overall elasticity and tone of your skin is enhanced.      


Use as part of your evening routine and not in conjunction with Vitamin A or high strength Vitamin C products. Use 1 pump after cleansing and before moisturising on an alternate night to Vitamin A/C application. 

Osmosis serums are highly concentrated using source ingredients, and if you are new to this range we advise just a few little things.

Begin by using only 1/2 to 1 pump of serum per application for at least the first week and build up from there if needed.  For optimum results, massage the serum into the skin followed by Osmosis Clear/Clear plus spritz, or alternatively a slight addition of water on the skin.

Skincare is a ritual - if you find the serum is struggling to be absorbed, you should take time to massage your serum into the skin thoroughly until fully absorbed.  Repeat use of Clear spritz or water if needed. 

Please note - it may take a week of use before your skin becomes accustomed to the use of the rich ingredients within Osmosis serums and starts absorbing the product more effectively.


Absorbic Acid (L) (6%) : The antioxidant activity of vitamin C protects against UV-induced damage caused by free radicals.  Vitamin C aids in collagen process and without this it makes the skin dull and lifeless.  Vitamin C increases the formation of elastin, which thickens, protects and heals skin cells.

AC-11 : stimulates collagen production, the form of collagen associated with soft, supple skin. AC-11 also heals and protects the skin from everyday elements, while decreasing inflammation at the same time.

Alpha- Ketoglutarate : Necessary for binding proteins to repair DNA in order to create collagen,  which is essential in the production of energy for our cells.

Cysteine : is a basic building block of the antioxidant glutathione, the human body's most important antioxidant. It helps reduce the appearance of blemishes, age spots and even wrinkles. Giving your skin a natural glow that is the result of naturally healthy skin cells. It also helps the skin defend itself against sun damage.


Water (Aqua), Sodium Bicarbonate, Ketoglutaric Acid, Ascorbic Acid, Glycine, Propanediol, Proline, Lysine HCI, Aloe Barbadensis Leaf Juice, Alanine, Zinc Gluconate, Dimethicone, Hydroxypropyl Starch Phosphate, Citrus Grandis (Grapefruit) Peel Oil, Alcohol Denat., Glycerin, Uncaria Tomentosa (Cat's Claw) Extract, Copper Gluconate, Acetyl Cysteine, Phospholipids, Tocopheryl Acetate, Aloe Barbadensis Leaf Juice Powder, Lonicera Caprifolium (Honeysuckle) Flower Extract, Lonicera Japonica (Honeysuckle) Flower Extract, Magnesium Chloride, Butylene Glycol, Polyglyceryl-4 Caprate, Xanthan Gum, Benzyl Alcohol, Potassium Sorbate, Natural Fragrance/Parfum.

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