Stem Complex Rejuvenating Overnight Treatment (unboxed)


Tax included.

Was £190, Now £95.

Please note each Stem Complex comes unboxed.

An intensive ultra-nourishing anti-ageing cream developed based on the latest discoveries in stem cell research. Powered with a potent complex of high-performance peptides and active botanical extracts, this ultimate time-release formula helps promote the skin's natural night-time renewal. Deeply moisturised, supple and replumped, skin appears remarkably younger-looking.

Size: 50 ml

  • Works overnight to intensively enhance skin’s natural regeneration and recovery
  • Targets key signs of ageing to achieve visibly younger-looking skin
  • Unveils smoother, supple and more plump skin in the morning


Apply the cream at night after cleansing. Smooth over the face, neck and décolleté. It may be used alone or over a serum.
Peptide Complex

A powerful blend of 3 peptides to combat visible signs of aging by targeting different skin biomarkers.

Pentapeptide-31: Helps preserve the niche environment of epidermal stem cells and epidermal self-renewal process.

Trifluoroacetyl Tripeptide-2: Biomimetic of elafin (enzyme regulating the integrity of extracellular matrix) this peptide decreases production of progerin, a biomarker involved in cellular senescence. Reduces visible signs of aging while improving skin firmness and elasticity.

Acetyl Tetrapeptide-2: A peptide biomimetic of youth hormone, thymopoietin. Demonstrates two actions: boosts skin’s immune system and promotes natural skin renewal process.

Ozonized Rice Callus Culture Extract
Meristem culture obtained from Himalayan red rice using ozone. Studies showed that this rice extract helps to protect the skin against environmental aggressors and repair it on epigenetic level by reducing DNA methylation.

Immortelle (Helichrysum Italicum)
A plant extract of Immortelle flowers rich in flavonoids. Demonstrate strong anti-inflammatory, antibacteriall and antioxidant properties properties. Helps stressed skin and troubled skin.

Hyaluronic Acid
A full spectrum of molecular weights of sodium hyaluronate working in synergy. Shows different activities: improves skin moisture, strengthens the barrier function, helps to retain and maintain skin elasticity, reduces the appearance of fine lines and wrinkles and restores skin suppleness.

Encapsulated Hyaluronic Acid
Hyaluronic acid encapsulated in multi-layered microspheres providing controlled time-release delivery.

Derivates of organic silicium. Show excellent restructuring and regenerating properties. Help to ensure an optimal skin architecture by stimulating collagen production and enhancing cellular communication between keratinocytes and fibroblasts.

Full list of ingredients

Aqua (Water), Glycerin, Ethylhexyldodecanol, Phytosteryl Canola Glycerides, Hydrogenated Polydecene, Propylene Glycol, Methylsilanol Hydroxyproline Aspartate, Cyclopentasiloxane, Pentaerythrityl Tetraethylhexanoate, Polysilicone-11, Butylene Glycol, Polyacrylamide, Dimethicone, Pentapeptide-31, Acetyl Tetrapeptide-2, Trifluoroacetyl Tripeptide-2, Ozonized Oryza Sativa Callus Culture Extract, Helichrysum Italicum Extract, Sodium Hyaluronate, Acrylate/Carbamate Copolymer, Xanthan Gum, Dextran, Salicylic Acid, C13-14 Isoparaffin, Triethanolamine, Carbomer, Laureth-7, Disodium EDTA, Phenoxyethanol, Ethylhexylglycerin, Potassium Sorbate, Sodium Benzoate, Parfum (Fragrance), Linalool.
Clinical results*.

    Increase in skin moisture up to 66.8%
    Increase in skin firmness up to 26.6%
    Increase in skin thickness up to 0.27mm

Increase in skin thickness (ultrasound):

Stem Complex Rejuvenating Overnight Treatment

Increase in skin thickness:

Stem Complex Rejuvenating Overnight Treatment

Women reported**:

    97% found skin instantly more hydrated
    93% experienced improvement in skin tone
    93% reported smoother skin
    100% reported skin more nourished
    100% found product efficacious

* Results from a clinical study conducted on women age 30 to 60 years using Stem Complex at night for 4 weeks

** Results from the consumer self-assessment study using Stem Complex at night for 4 weeks

Need help? Contact our Customer Service team at or call us on +44(0)7376 008504

Customer Service is open between 9am to 5pm GMT, Monday to Friday


All Zelens deliveries are sent via a tracked service. Please scroll down to see shipping information by destination.

Please note: EU Orders

Following the departure of the UK from the European Union on 31st December 2020, deliveries to destinations within the EU may be subject to temporary delays due to border backlogs.

Customers from outside the UK (including countries in the European Union) will be liable for paying any local duties and import taxes if applicable to their order. Should this be the case, the relevant authorities or the shipping company will contact you (once the shipment reaches its destination country) with further information on such taxes, which must be paid by you before the goods can be delivered. Zelens are unable to cover local duties and import taxes.

Please refer to your order confirmation email to check the status of your shipment, or contact We thank you for your patience during this time.

Please note due to Covid-19 limitations dispatch may take longer than usual. Please bear with us during this time.

If you need any help regarding your order, please contact Zelens Customer Service on +44 (0)7376 008 504 (Opening Hours 9am to 5pm BST, Monday to Friday) or email

We aim to process and despatch orders as quickly as possible. Please see below your estimated delivery times by region:

UK Orders

  • Delivery is free on all orders of £50 GBP and over (UK orders including Mainland and Northern Ireland only).
  • Delivery of orders below £50 GBP is charged at £4.95 GBP.

Standard delivery currently is between 5 to 7 working days and is sent via Royal Mail.

Orders to Europe

  • Flat cost of shipping for all orders to Europe is €15 EURO

Other International Orders

  • Flat cost of shipping to all other destinations is $20 USD

Standard delivery times for orders to all other destinations are between 7 to 14 working days and sent via Courier Service. Delivery times may vary by location.

Please note we are currently unable to ship to Russia or China.

Current locations we ship to:

Andorra, Austria, Belgium, Cyprus, Estonia, Finland, France, French Guiana, French Southern Territories, Germany, Greece, Guadeloupe, Vatican City, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Martinique, Mayotte, Monaco, Montenegro, Netherlands, Portugal, St. Barthélemy, St. Martin, St. Pierre & Miquelon, San Marino, Slovakia, Slovenia, Spain, Sweden, Switzerland

Imports and Duties

Orders from our site for the delivery outside the UK may be subject to import duties and taxes which are levied when the delivery reaches the specified destination. You will be responsible for payment of any such import duties and taxes. Please note that we have no control over these charges and cannot predict their amount. Please contact your local customs office for further information before placing your order.

Returns Policy & Procedure

The returns policy is for goods purchased on the website. Zelens Ltd hopes that you will be delighted with your order. However, if for any reason you change your mind, we are happy to offer a refund, exchange or replacement on all goods returned to us within 14 days of your receipt of goods provided they are in their original, unopened packaging, in unused and undamaged condition. Due to the nature of the product, we are unable to offer refunds or returns on any purchases where the seal is broken. We will consider the condition of the goods being returned before confirming a refund. Goods not in their original condition, which do not qualify for a refund, will be returned to you. This does not affect your statutory rights.

Should you wish to discuss your order or return any goods, please contact us at or telephone +44 (0)7376 008 504 (between 9am - 5pm BST, Monday to Friday).

For approved refunds: on receipt of the returned goods we will give you a refund of the amount paid for the goods, exclusive of the initial delivery charge. Refunds will be made against the original form of tender within 30 days of Zelens Ltd receiving the returned goods.

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