
Medik8 Hydr8 B5 Serum (Hyaluronic Acid)
Medik8's original hyaluronic acid serum: multi-weight hyaluronic acid and vitamin B5 in a lightweight, oil-free formula. Around 90 uses per bottle.
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10 × cartridgesFree
10 × Skin WipesFreeAdded to your cart automatically. No code needed.
Medik8's original hyaluronic acid serum and the A10 pen in one order, for less than buying them separately.
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Medik8's original hyaluronic acid serum, paired with the Dr. Pen A10 microneedling pen. Multi-weight hyaluronic acid and vitamin B5 flood the skin with moisture for a visibly plumper, more supple complexion, with skin that feels more hydrated in 7 days.¹

A full-size Medik8 Hydr8 B5 and the complete Dr. Pen A10 kit, together for less than buying them separately. Your A10 gifts are added to your basket automatically.

Medik8's original hyaluronic acid serum: multi-weight hyaluronic acid and vitamin B5 in a lightweight, oil-free formula. Around 90 uses per bottle.

The Dr. Pen A10 with five LED-indicated speeds, a manual depth dial from 0 to 2.5 mm and a rechargeable battery. Includes 2 cartridges, USB cable, regional adapter and storage case.

Hydr8 B5 is Medik8's original, bestselling hyaluronic acid serum. It floods multiple layers of the skin with multi-weight hyaluronic acid to leave it visibly plumped and supple, while softening the look of fine lines.
The lightweight, oil-free formula absorbs quickly without a greasy finish, and works to improve the skin's own moisture retention for a cushion-soft, visibly replenished complexion.¹
An independent consumer study on Hydr8 B5 over 4 weeks with 57 participants.
Study data and images supplied by Medik8. Individual results vary.



Small, medium and large hyaluronic acid molecules spread hydration evenly through the skin's many layers, and vitamin B5 helps hold it in.
Small, medium and large molecular weights distribute deep hydration evenly, leaving skin visibly nourished and supple.
Also known as panthenol. Helps the skin retain moisture and supports the regeneration of skin cells for visibly plumper skin.
Fragrance free, alcohol free and paraben free, with no synthetic colours. Certified by the Vegan Society.
Six drops morning and evening across the face, neck and décolletage.

“This cult classic drenches the skin with moisture!”Emma StoddartBeauty Contributor, Grazia
Hydr8 B5 is rated 4.9 out of 5 from more than 1,500 reviews on Medik8's US store.
“This is the only hydration serum that I have actually reordered. Very good consistency.”
“I love this product!! Gives an instant glow and smoothness to my 44 year old skin!”
“I love the texture and how my skin looks and feels afterwards. I'll definitely buy it again.”
“Great serum, I really like it! Great for moisturizing and plumping.”
Verified customer reviews published by Medik8.

The A10 brings its controls together in a slim metal handpiece. Five illuminated indicators show the selected speed at a glance, a textured dial sets needle depth from 0 to 2.5 mm, and a built-in 380 mAh battery lets you charge, unplug and work cordless.
A closer look at the A10 and its design before you choose.



The Dr. Pen A10 is rated 5.0 out of 5 from 150 reviews on Dr. Pen Store.
“I can definitely see a difference. My skin appears firmer and the wrinkles are less visible.”
“I actually love the A10 more. The weight is ideal, and the new tip design glides across your face easily.”
“So much cheaper doing it at home yourself than going to the salon.”
“I am already seeing a noticeable improvement in skin texture and tone.”
Verified A10 purchases, collected by Loox on Dr. Pen Store. Individual results vary.

After cleansing, massage 6 drops of Hydr8 B5 across the face, neck and décolletage. Leave to absorb before moisturiser.
Follow the A10 instructions: cleanse, fit a new sterile A10 cartridge, set your depth and speed, and work in small sections. Use a new cartridge every session.
Follow the device guidance or your practitioner's advice on when to restart your skincare, then return to your daily routine.
Patch test Hydr8 B5 at least 24 hours before first use.
Hydr8 B5 is a topical serum for your daily routine. It is not intended to be needled into the skin.
Clear answers to the questions we hear most about this bundle.
Ask a product specialist →One Medik8 Hydr8 B5 30 ml and one Dr. Pen A10 Microneedling Pen with its standard kit (pen, 2 cartridges, USB charging cable, regional adapter, storage case and user guide).
Yes. 10 extra A10 cartridges and 10 Medipal skin wipes are added to your basket automatically at no cost.
Yes. It is the same genuine Dr. Pen A10 kit, with the same warranty and genuine-product verification.
It floods the skin with multi-weight hyaluronic acid and vitamin B5 for long-lasting hydration and a visibly plumper, smoother-looking complexion. Skin feels more hydrated in 7 days.
Hydr8 B5 is Medik8's original, lightweight serum for daily hydration in normal to sensitive skin. Hydr8 B5 Intense is the supercharged version for dehydrated skin, paired with the A11 in our Deep Hydration Bundle.
No. It is a topical serum for your daily routine and is not intended to be needled into the skin. Follow the A10 instructions and your practitioner's advice for the session itself.
Both. Apply 6 drops after cleansing, morning and evening, then follow with moisturiser.
A10-specific cartridges. Two are included in the kit, and replacement packs are sold separately in our A10 cartridge range.
Medik8 Hydr8 B5 and the Dr. Pen A10, together for less than buying separately.
[1] Independent consumer study on Hydr8 B5 over 4 weeks with 57 participants. Study data, images, reviews and expert quotes supplied by Medik8. A10 reviews are from verified Dr. Pen Store customers.
For cosmetic use. Follow the device instructions and use single-use cartridges. Individual results vary. Read before you begin →
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