Deep Hydration Serum | 30ml

  • A lightweight hydrating serum for tight, dull and dehydrated skin.
  • Powered by multi-weight Hyaluronic Acid, Glycerin + Pentylene Glycol to replenish moisture and support plumper, smoother-looking skin.
  • Clinically tested, dermatologically approved and suitable for sensitive skin.

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  • In a 96-hour clinical study on 30 subjects aged 19–70 - including sensitive skin - our formula showed zero irritation for 100% of participants.
  • Tested under dermatologist supervision and shown to be suitable for sensitive skin.

Apply a few drops to freshly cleansed skin, then layer with subsequent treatments.
Finish with SPF in the morning.
Appropriate for both morning and evening use.

No artificial scents. Natural, fresh aroma.

Sulfates.

Parabens.

Microplastics.

Phthalates.

Dermatologically approved.

Suitable for vegans.

Safe for skin.

Clinically Tested

Dermatologically Approved

Ships Internationally

Free Shipping For UK Domestic Orders From £30

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Suitable for Vegans

Olivia + Eve Deep Hydration Serum in a white bottle with a vibrant pink label, shown on a white background with a pink 'Vegan Beauty Award Winner' badge in the top left corner.

Deep Hydration Serum | 30ml

£17.99

£17.99

Olivia + Eve's World

Olivia + Eve Skin Barrier Dermatologist Video

Olivia + Eve Deep Hydration Serum Testimonial

Olivia + Eve Deep Hydration Serum

Sorry no beige - still dermatologically approved with science backed supplements - Olivia + Eve

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Dermatologically Approved

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Suitable For Vegans

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Safe For Skin

Learn more about our clinical testing & dermatologically approved claims ->

Powered by HYDRA³ Complex™

HYDRA³ Complex™ is our triple-action hydration blend designed to support three key areas of healthy-looking skin: replenishing moisture, retaining hydration and supporting skin comfort. In Deep Hydration Serum, multi-weight Hyaluronic Acid helps replenish moisture, Glycerin helps attract and retain hydration, and Pentylene Glycol helps support a soft, smooth and comfortable skin feel.

With every application, skin feels refreshed, hydrated and more supple, with a smoother, plumper-looking finish.

Science spherical image

Replenish: Multi-Weight Hyaluronic Acid

Multi-Weight Hyaluronic Acid helps hydrate across the skin’s surface and upper layers, attracting and retaining moisture for a plumper, smoother look. It helps leave skin feeling softer, fresher and more supple, while reducing the look of fine lines caused by dryness.

Science spherical image

Retain: Glycerin

Glycerin is a humectant that helps draw water into the skin and support lasting hydration. It helps keep skin feeling smooth, soft and comfortable, making the formula ideal for skin that feels tight, dull or dehydrated.

Science spherical image

Support: Pentylene Glycol

Pentylene Glycol helps support hydration and improve the skin feel of the formula. It works alongside Hyaluronic Acid and Glycerin to leave skin feeling balanced, refreshed and comfortably hydrated without a heavy finish.

An infographic titled 'Does hyaluronic acid molecular weight matter?' with a bar chart showing visible skin improvement by Week 8 for multi-weight and single-weight HA formulations. The chart compares dryness, roughness, and fine lines, with percentages for both formulations.

CLINICAL DATA

NO VISIBLE IRRITATION OBSERVED IN 100% OF PARTICIPANTS ACROSS 96 HOURS*




*independent study of 30 participants, including those with sensitive skin

Olivia + Eve deep hydrating serum with aloe vera on a pink background

Olivia + Eve
Basic Formulas
STRENGTHENS SKIN BARRIER
DERMATOLOGICALLY APPROVED. CLINICALLY TESTED. SAFE FOR SKIN
CLINICALLY RESEARCHED ACTIVES
MULTI LEVEL HYDRATION COMPLEX WITH MULTI-WEIGHT HYALURONIC ACID
MADE IN THE UK TO GMP MANUFACTURING STANDARDS

FAQs

It is best for skin that feels dry, tight, dehydrated or uncomfortable and needs lightweight everyday hydration.

It can be used every morning and evening. Apply it to slightly damp skin before moisturiser.

It combines multi-weight Hyaluronic Acid, Glycerin and Pentylene Glycol to hydrate different levels of the skin’s surface without a heavy feel.

Yes. Its lightweight, non-sticky texture makes it suitable for dry, combination and oily skin types.

Yes. It can be layered with Niacinamide, Tranexamic Acid and retinoids to add hydration and comfort to your routine.

Yes. Follow with our Advanced Antioxidant Cream to help seal hydration into the skin.