The Biology Serum™

Your skin is the solution

Everything your skin needs to hydrate, protect, and visibly regenerate by itself

The Biology Serum™

Your skin is the solution

Everything your skin needs to hydrate, protect, and visibly regenerate by itself

The Biology Serum™

Designed by cell biologists to provide comprehensive hydration and deliver hundreds of nutrients to visibly improve skin function and appearance.

Skin-Native Ingredients

Ingredients your body knows and needs. Actively supporting functional skin.

No Preservative System

Made in labs, compatible with all skin. Clinically proven 24% gentler than water.

Made in labs, compatible with all skin.Clinically proven 24% gentler than water.

One Serum. No Routine

You don't need a multi-step routine when your skin's biological needs are met. Introducing a new standard for skin performance

You don't need a multi-step routine when your skin's biological needs are met. Introducing a new standard for skin performance

Day 0

Our PhDs take days to produce each batch, before individually hand filling each vial in ultra clean lab conditions.

Day 1

The Biology Serum™ arrives chilled in our custom-engineered packaging. Ensure to put your product in the fridge.

Days 40-60

Skin becomes more capable and self-sufficient with every application and skin cycle.

Benefits you'll notice

Immediate, non-occlusive hydration upon every application. Restoring the skin's ability to produce its own natural moisturising factors.

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Biological Hydration

Skin Protection

Anti Inflammation

Cellular Renewal

Microbiome Balance

Benefits you'll notice

Immediate, non-occlusive hydration upon every application. Restoring the skin's ability to produce its own natural moisturising factors.

Biological Hydration

Skin Protection

Anti Inflammation

Cellular Renewal

Microbiome Balance

See our customers' results

Visibly improved texture, quality and barrier function

Using the tools evolution designed for skin

6 Skin-Native Ingredients

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LSP

397-protein regenerative complex

397 milk-derived proteins, peptides, amino acids, vitamins, and minerals that restore hydration, repair the barrier, calm inflammation, and improve skin texture and tone.

Lactoferrin

Iron-chelating anti-inflammatory

397 milk-derived proteins, peptides, amino acids, vitamins, and minerals that restore hydration, repair the barrier, calm inflammation, and improve skin texture and tone.

Trehalose

3.5 billion-year cellular protectant

Stabilises skin proteins under stress and clears damaged cells through autophagy, supporting cellular renewal.

Glycerol

Skin-native hydration control

Skin-native humectant that restores gradient control of water movement, keeping hydration balanced at the cellular level.

Sodium Hyaluronate

Dual-MW protective layer

Dual-molecular-weight protective layer that holds actives against the skin, slows water loss, and buffers against pollution.

Distilled Water

Pharma-grade purity

Water is the foundation of all biological life. We only use distilled water of pharmaceutical purity. It costs more and demands cleanroom manufacturing, which is why skincare brands can't utilise it.

Recognised by leading experts.
Available in select London clinics.

Recognised by leading experts.
Available in select London clinics.

Frequently Asked

Frequently Asked

How long will it last?

We recommend applying 0.5mL once or twice daily, which means each vial should last 5-7 days.

How do I use it?

Pour roughly 0.5mL into your hand, and apply to a clean face. Return the vial to the fridge. Once opened, each vial must be used within 10 days to ensure freshness.

Can I use other skincare products?

The Biology Serum™ is designed to replace a full skincare routine — and the longer you use it, the less your skin will need anything else. That said, it also works beautifully as a hydrating, protective layer beneath makeup or any other products you enjoy - just know that your results might take longer, or feel less complete.

Can I travel with it?

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Still got a question? Get in touch

Still got a question? Get in touch

© Actevna Limited 2026 | All rights reserved.

© 2026

Actevna Ltd. All rights reserved.