How does The Ordinary Marine Hyaluronics serum support skin hydration?

The Ordinary Marine Hyaluronics serum is a lightweight, yet deeply hydrating serum with ingredients that act as alternatives to hyaluronic acid. It helps direct water to where it's needed most, promoting a softer, plumper complexion.

When should I use The Ordinary Marine Hyaluronics?

Use The Ordinary Marine Hyaluronics serum in the Treat stage of your morning and evening regimens. We recommend applying this water-based serum before heavier treatments.

Is The Ordinary Marine Hyaluronics suitable for all skin types?

Yes, The Ordinary Marine Hyaluronics serum is suited for all skin types.

What are the key ingredients in The Ordinary Marine Hyaluronics?

This serum combines pseudoalteromonas exopolysaccharides, pseudoalteromonas ferment extract, and ahnfeltia concinna extract, which work together to support hydration across multiple layers of the skin’s surface.

Is The Ordinary Marine Hyaluronics water-based?

Yes, Marine Hyaluronics is a water-based serum formulated to have an intensely hydrating effect.

Promotional Terms & Conditions

Name: Marine Hyaluronics
Brand: The Ordinary
SKU: rdn-marine-hyaluronics-eu-30ml
Price: 8.16 EUR
Availability: InStock

The Abnormal Birthday Bundle promotion (the “Bundle Promotion”) is available from April 01, 2026 to April 30, 2026 at standalone DECIEM/The Ordinary stores during store hours, while supplies last (the “Bundle Promotion Period”). Bundle Promotion will be applied automatically at checkout.

Customers who purchase one (1) The Ordinary Multi-Peptide + HA Serum (30ml), one (1) Loopha Oud + Amber Hand + Body Powder Wash (60g) and one (1) NOID Fractionated Eye-Contour Concentrate (15ml) (together, the “Birthday Bundle”) will receive 50% off the Birthday Bundle. For greater certainty, the 50% discount will only apply to the Birthday Bundle products. Limit of one (1) Birthday Bundle discount per customer. The Bundle Promotion is subject to stock availability. If Birthday Bundle products run out prior to the end of the Bundle Promotion Period, then this Bundle Promotion ends. In the event one or two of the Birthday Bundle products is no longer available, you may purchase the remaining available item(s) in the Birthday Bundle at 50% off. Birthday Bundle Promotion is not combinable with the 23% off Abnormal Birthday Promotion, but is combinable with any gift with purchase offer.

Except as otherwise set out herein, all purchases are subject to DECIEM’s standard Terms and Conditions (which can be found at https://deciem.com/terms.html) and Shipping + Delivery Terms (which can be found at https://theordinary.com/faq.html#shipping_delivery) which are expressly incorporated herein by reference. Any returned items will be refunded to the original method of payment used at checkout, at the price paid and subject to our Return Policy found at https://theordinary.com/returns.html.

Customers who purchase one (1) The Ordinary Multi-Peptide + HA Serum (30ml), one (1) Loopha Oud + Amber Hand + Body Powder Wash (60g) and one (1) NOID Fractionated Eye-Contour Concentrate (15ml) (together, the “Birthday Bundle”) will receive 50% off the Birthday Bundle. For greater certainty, the 50% discount will only apply to the Birthday Bundle products. Limit of one (1) Birthday Bundle discount per customer. The Bundle Promotion is subject to stock availability. If Birthday Bundle products run out prior to the end of the Bundle Promotion Period, then this Bundle Promotion ends. In the event one or two of the Birthday Bundle products is no longer available, you may purchase the remaining available item(s) in the Birthday Bundle at 50% off. Birthday Bundle Promotion is not combinable with the 23% off Abnormal Birthday Promotion, but is combinable with any gift with purchase offer.

The Ordinary Natural Moisturizing Factors – (30ml) gift with purchase (the “NMF Promotion”) is available with a Qualifying Purchase on theordinary.com from 12:00am EST April 01, 2026 to 11:59pm EST April 09, 2026 or at standalone DECIEM/The Ordinary stores during store hours, while supplies last (the “NMF Promotion Period”). NMF Promotion will be applied automatically at checkout. NIOD and Loopha are excluded from this NMF Promotion.

Customers who spend the minimum qualifying amount on The Ordinary products (before taxes and other charges) in the applicable currency set out below (“Qualifying Purchase”), will receive their choice of one (1) of the following The Ordinary products: Natural Moisturizing Factors + HA or Natural Moisturizing Factors + PhytoCeramides; or Natural Moisturizing Factors + Beta Glucan (each, a “Gift”). For online purchases, customers who add the minimum qualifying amount of The Ordinary products to their cart will be prompted to select one (1) Gift.

Limit of one (1) Gift per customer. Gift(s) is/are subject to stock availability. If Gift stock runs out prior to the end of the NMF Promotion Period, then this NMF Promotion ends. NMF Promotion is combinable with other offers, including DECIEM’s “Abnormal Birthday Promotion”, unless otherwise stated. We reserve the right to substitute any free item offered with an item of equal or greater value.

Qualifying Purchase Minimums:
Canada	United States	United Kingdom	Australia	Europe	South Korea	Hong Kong	All other countries
$35CAD	$25USD	£20GBP	$40AUD	€20EUR	₩35,000KRW	$200HKD	$25USD

Mini Soothing & Barrier Support Serum – (15ml) gift with purchase (the “Mini Soothing & Barrier Support Serum Promotion”) is available with a Qualifying Purchase on theordinary.com from 12:00am EST April 10, 2026 to 11:59 EST April 20, 2026 or at standalone DECIEM/The Ordinary stores during store hours, while supplies last (the “Mini Soothing & Barrier Support Serum Promotion Period”). Mini Soothing & Barrier Support Serum Promotion will be applied automatically at checkout.

Customers who spend the minimum qualifying amount on The Ordinary products (before taxes and other charges) in the applicable currency set out below (“Qualifying Purchase”), will receive one (1) free The Ordinary Mini Soothing & Barrier Support Serum (15ml) (the “Gift”). For online purchases, customers who add the minimum qualifying amount of The Ordinary products to their cart will be prompted to select the Gift.

Qualifying Purchase Minimums:
Canada	United States	United Kingdom	Australia	Europe	South Korea	Hong Kong	All other countries
$35CAD	$25USD	£20GBP	$40AUD	€20EUR	₩35,000KRW	$200HKD	$25USD

Limit of one (1) Gift per customer. The Gift is subject to stock availability. If Gift stock runs out prior to the end of the Mini S&B Promotion Period, then this Mini Soothing & Barrier Support Serum Promotion ends. Mini S&B Promotion is combinable with other offers including DECIEM’s Abnormal Birthday Promotion, unless otherwise stated. We reserve the right to substitute any free item offered with an item of equal or greater value.

The Ordinary SPF 45 Gift with Purchase Promotion (the “SPF Promotion”) is available with a Qualifying Purchase in countries that DECIEM is currently shipping to with the exception of Canada, Australia, New Zealand, South Korea, Japan, Palau, Thailand, Singapore, Brazil, Cayman Islands, Mexico, Barbados on theordinary.com from 12:00am EST April 21, 2026 to 11:59 EST April 30, 2026 or at standalone DECIEM/The Ordinary stores during store hours, while supplies last (the “SPF Promotion Period”). SPF Promotion will be applied automatically at checkout.

Customers who spend the minimum qualifying amount on The Ordinary products (before taxes and other charges) in the applicable currency set out below (“Qualifying Purchase”), will receive one (1) free The Ordinary Suncare: UV Filters SPF 45 Serum (60ml) (the “Gift”). For online purchases, customers who add the minimum qualifying amount of The Ordinary products to their cart will be prompted to select the Gift.

Qualifying Purchase Minimums:
United States	United Kingdom	Europe	Hong Kong	All other countries
$25USD	£20GBP	€20EUR	$200HKD	$25USD

Limit of one (1) Gift per customer. The Gift is subject to stock availability. If Gift stock runs out prior to the end of the SPF Promotion Period, then this SPF Promotion ends. The SPF Promotion is combinable with other offers including DECIEM’s Abnormal Birthday Promotion, unless otherwise stated. We reserve the right to substitute any free item offered with an item of equal or greater value.

The Ordinary Natural Moisturizing Factors + Inulin Body Lotion Gift with Purchase Promotion (the “Body Lotion Promotion”) is only available in Canada, Australia, New Zealand, South Korea, Japan, Palau, Thailand, Singapore, Brazil, Cayman Islands, Mexico and Barbados with a Qualifying Purchase on theordinary.com from 12:00am EST April 21, 2026 to 11:59 EST April 30, 2026 or at standalone DECIEM/The Ordinary stores during store hours, while supplies last (the “Body Lotion Promotion Period”). Body Lotion Promotion will be applied automatically at checkout.

Customers who spend the minimum qualifying amount on The Ordinary products (before taxes and other charges) in the applicable currency set out below (“Qualifying Purchase”), will receive one (1) free The Ordinary Natural Moisturizing Factors + Inulin Body Lotion (240ml) (the “Gift”). For online purchases, customers who add the minimum qualifying amount of The Ordinary products to their cart will be prompted to select the Gift.

Qualifying Purchase Minimums:
Canada	Australia	South Korea	All other countries
$35CAD	$40AUD	₩35,000KRW	$25USD

Limit of one (1) Gift per customer. The Gift is subject to stock availability. If Gift stock runs out prior to the end of the Body Lotion Promotion Period, then this Body Lotion Promotion ends. The Body Lotion Promotion is combinable with other offers including DECIEM’s Abnormal Birthday Promotion, unless otherwise stated. We reserve the right to substitute any free item offered with an item of equal or greater value.

NIOD Modulating Glucosides – (30ml) gift with purchase (the “MG Promotion”) is available on niod.com from 12:00am EST April 1, 2026 to 11:59pm EST April 15, 2026, or at standalone DECIEM/The Ordinary stores during store hours, while supplies last (the “MG Promotion Period”). MG Promotion will be applied automatically at checkout.

Customers who spend the minimum qualifying amount on NIOD products (before taxes and other charges) in the applicable currency set out below (“Qualifying Purchase”), will receive one (1) free NIOD Modulating Glucosides – (30ml) (the “Gift”). For online purchases, customers who add the minimum qualifying amount of NIOD products to their cart will be prompted to select the Gift.

Qualifying Purchase Minimums:
Canada	United States	United Kingdom	Australia	Europe	South Korea	Hong Kong	All other countries
$75CAD	$75USD	£50GBP	$75AUD	€60EUR	₩100,000KRW	$600HKD	$75USD

Limit of one (1) Gift per customer. The Gift is subject to stock availability. If Gift stock runs out prior to the end of the MG Promotion Period, then this MG Promotion ends. MG Promotion is combinable with other offers, including DECIEM’s Abnormal Birthday Promotion, unless otherwise stated. We reserve the right to substitute any free item offered with an item of equal or greater value.

NIOD Multi-Molecular Hyaluronic Complex (MMHC2) (15ml) -gift with purchase (the “MMHC Promotion”) is available on niod.com from 12:00am EST April 16, 2026 to 11:59pm EST April 30, 2026 or at standalone DECIEM/The Ordinary stores during store hours, while supplies last (the “MMHC Promotion Period”). MMHC Promotion will be applied automatically at checkout..

Customers who spend the minimum qualifying amount on NIOD products (before taxes and other charges) in the applicable currency set out below (“Qualifying Purchase”), will receive one (1) free NIOD Multi-Molecular Hyaluronic Complex – (15ml) (the “Gift”). For online purchases, customers who add the minimum qualifying amount of NIOD products to their cart will be prompted to select the Gift.

Qualifying Purchase Minimums:
Canada	United States	United Kingdom	Australia	Europe	South Korea	Hong Kong	All other countries
$75CAD	$75USD	£50GBP	$75AUD	€60EUR	₩100,000KRW	$600HKD		$75USD

Limit of one (1) Gift per customer. The Gift is subject to stock availability. If Gift stock runs out prior to the end of the MMHC Promotion Period, then this MMHC Promotion ends. MMHC Promotion is combinable with other offers, including DECIEM’s Abnormal Birthday Promotion, unless otherwise stated. We reserve the right to substitute any free item offered with an item of equal or greater value.

The Consultation 10% off your Purchase (the “Consultation Promotion”) is only available at select standalone DECIEM/The Ordinary stores in select countries (“Eligible Locations” - see full list below) during store hours from February 26th, 2026, to February 26th, 2027 (the “Consultation Promotion Period”). Consultation Promotion will be applied automatically at checkout after completing the DECIEM in-store consultation (the “Consultation”). Consultation Promotion is not available online.

Eligible Customers: Customers who (i) book a Consultation online or in-store; (ii) attend their Consultation; and (iii) purchase any The Ordinary, NIOD or LOopha product, will receive 10% their purchase immediately after the completion of their consultation (the “Discount”). Eligible Customers must provide their Consultation email confirmation to DECIEM staff upon arrival.

Limit of one (1) Discount per customer/transaction. Consultation Promotion is combinable with other offers.

DECIEM reserves the right, without prior notice, to (i) discontinue this offer/promotion at any time; (ii) cancel or refuse any individual's benefit from it, including, without limitation, individuals creating multiple user accounts; (iii) amend these terms and conditions; and (iv) limit the number of promotional redemptions.

Except as otherwise set out herein, all purchases are subject to DECIEM’s standard Terms and Conditions (which can be found at https://deciem.com/ca/terms.html) and Shipping + Delivery Terms (which can be found at https://theordinary.com/en-ca/faq.html#shipping_delivery), which are expressly incorporated herein by reference. Any returned items will be refunded to the original method of payment used at checkout, at the price paid and subject to our Return Policy found at https://deciem.com/ca/returns.html.

Eligible Locations:

Country	Participating Locations
UK	Commercial Street Seven Dials Covent Garden Westfield
Canada	Queen West St Yorkville Distillery District Square One Vancouver Downtown Metrotown
Amsterdam	Amsterdam Centrum
Australia	Melbourne Gertude

The Consultation Gift with Purchase (the “Consultation Promotion”) is only available at select standalone DECIEM/The Ordinary stores in the US (“Eligible Locations” - see full list below) during store hours from March 12, 2026, to March 12, 2027 (the “Consultation Promotion Period”). Consultation Promotion will be applied automatically at checkout after completing the DECIEM in-store consultation (the “Consultation”). Consultation Promotion is not available online.

Eligible Locations:

Chicago Wicker Park
NYC 5th Avenue
NYC Nolita
LA Century City

Fase 2: Tratta

The Ordinary Marine HyaluronicsMarine Hyaluronics

~~Prezzo ridotto da €10.60 EUR a~~ €8.16 EUR

The Ordinary The Ordinary Marine Hyaluronics ultra-lightweight hydration serum and alternative to Hyaluronic Acid

The Ordinary Model Application of The Ordinary Marine Hyaluronics

The Ordinary Ingredients of The Ordinary Marine Hyaluronics

The Ordinary Claims of The Ordinary Marine Hyaluronics

The Ordinary A Regimen for Dehydrated Skin

Fase 2: Tratta

The Ordinary Marine HyaluronicsMarine Hyaluronics

~~Prezzo ridotto da €10.60 EUR a~~ €8.16 EUR

Un siero con effetto idratante intenso.

Is this product right for you?

Ask us about this product or tell us about your skin and we'll personalize a recommendation.

Aree di trattamento Disidratazione, Secchezza

Adatto a Tutti i tipi di pelle

Formato Siero: A base d'acqua

Ingredienti principali

Pseudoalteromonas Exopolysaccharides, Pseudoalteromonas Ferment Extract, Ahnfeltia Concinna Extract

Panoramica

Scopri se questo prodotto è adatto a te:

Crea la mia routine

Dettagli del prodotto

Benefici principali

ph: 4.00 - 5.00
senza acqua: No
senza alcol: Sì
senza olio: Sì
senza silicone: Sì
vegano: Sì
senza glutine: Sì
Non testato sugli animali: Sì

Informazioni sull'uso

Modo d'uso

Guida all'uso sicuro

Istruzioni per il riciclo

Immagine per le istruzioni per l'uso

Prodotto attuale

Marine Hyaluronics

Cerca un prodotto

Domande frequenti su Marine Hyaluronics

Come agisce Marine Hyaluronics serum di The Ordinary sull'idratazione della pelle?

Marine Hyaluronics di The Ordinary è un siero leggero ma altamente idratante formulato con ingredienti alternativi all’acido ialuronico. Idrata la pelle dove ne ha più bisogno, lasciandola più morbida e rimpolpata.

Quando usare Marine Hyaluronics di The Ordinary?

Usa il siero Marine Hyaluronics di The Ordinary nella fase di Trattamento mattina e sera. Si consiglia di applicare questo siero a base d'acqua prima dei trattamenti più nutrienti.

Marine Hyaluronics di The Ordinary è adatto a tutti i tipi di pelle?

Sì, Marine Hyaluronics serum di The Ordinary è adatto a tutti i tipi di pelle.

Quali sono gli ingredienti principali di The Ordinary Marine Hyaluronics?

Questo siero combina pseudoalteromonas exopolysaccharides, estratto di fermento di Pseudoalteromonas ed estratto di Ahnfeltia concinna, che agiscono in sinergia per supportare l'idratazione su più livelli della superficie cutanea.

Marine Hyaluronics di The Ordinary è a base d'acqua?

Sì, Marine Hyaluronics è un siero a base d'acqua formulato per offrire un effetto intensamente idratante.

Recensioni
Domande e risposte

The Ordinary pubblica TUTTE le recensioni, positive o negative :-)

The Ordinary Marine HyaluronicsMarine Hyaluronics

The Ordinary Marine HyaluronicsMarine Hyaluronics

Is this product right for you?