Medik8 Hydr8 B5 30ml
Medik8 Hydr8 B5 30 ml is a lightweight hydrating serum designed to replenish moisture improve softness and enhance overall skin comfort.
Genuine products · Expert-curated · Fast, tracked UK dispatch
A whole year of free shippingBecome a VIP for unlimited free delivery, plus an exclusive SkinCeuticals welcome gift. Upgrade →How to use
Apply a few drops to cleansed dry skin morning or evening.
Smooth over the face neck and décolleté.
Follow with your chosen moisturiser.
Suitable for daily use and easily layered with other serums.
Ingredients (INCI)
Aqua (Water), Panthenol, Sodium Hyaluronate, Calcium Pantothenate, Phenoxyethanol, Ethylhexylglycerin, Citric Acid.
The benefits of NAD+

Provides deep lasting hydration
Multi-weight hyaluronic acid plumps softens and smooths
Vitamin B5 supports moisture balance and barrier strength
Lightweight non-tacky texture suitable for all routines
Helps improve radiance clarity and suppleness
Suitable for daily use for all skin types including sensitive


Made to fit your everyday
Simple to use and easy to love. Slot it into your morning or evening routine and let it get to work.
The science of NAD+
Medik8 Hydr8 B5 30 ml is a lightweight hydrating serum designed to replenish moisture improve softness and enhance overall skin comfort. Formulated with multi-weight hyaluronic acid and vitamin B5 it absorbs quickly to plump the skin refine texture and support a healthy balanced barrier. Ideal for all skin types it leaves the complexion smooth radiant and refreshed with long-lasting hydration.
A deeply hydrating daily serum created to restore moisture smoothness and long-lasting comfort. Hydr8 B5 uses multi-weight hyaluronic acid to draw water into the skin while vitamin B5 helps maintain hydration balance and barrier resilience. The silky fast-absorbing texture blends seamlessly into any routine leaving the skin soft clear and hydrated throughout the day.
Suitable for all skin types this versatile serum is perfect for boosting hydration refining texture and supporting a healthy radiant complexion.
Proven via independent consumer study on 50 participants over 7 days.


Considered, quality formulation
Carefully formulated and curated by theskinbay for real, visible results.
How to use
Apply a few drops to cleansed dry skin morning or evening.
Smooth over the face neck and décolleté.
Follow with your chosen moisturiser.
Suitable for daily use and easily layered with other serums.

Every product we stock is one I would happily use myself. Curated skincare, honest advice, and results you can feel.

Expert-selected by The Skin Bay to work alongside Medik8 - both formulated to complement each other for enhanced results.
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Your questions answered
Are your products genuine?
Yes. Everything we sell is 100% genuine, sourced from the brand or authorised UK suppliers.
How fast is delivery?
Orders are dispatched quickly and tracked across the UK. See our delivery page for full timings.
What is your returns policy?
Unopened items can be returned within our standard returns window. See our returns page for details.
Do you offer rewards?
Yes. Earn Bay Points on every order to redeem against future purchases.
Need help choosing?
Our team can help you build the right routine. Reach out any time and we will point you in the right direction.













