Skin Conditioning

Hydrolyzed Sodium Dna

INCI: HYDROLYZED SODIUM DNA

Reviewed by Rosie · Last updated 2 Jun 2026

A DNA-derived conditioning agent that supports skin's structural integrity

Best For Skin Types

All, Dry, Sensitive, Mature

Addresses

Dryness, Hydration, Sensitivity

Usage Frequency

Daily

What Is Hydrolyzed Sodium Dna?

Hydrolyzed sodium DNA is a skin conditioning ingredient derived from deoxyribonucleic acid (DNA) that has been broken down into smaller fragments. This process makes it suitable for topical application, allowing the molecule to interact with the skin's outer layers rather than penetrate deeply.

In skincare formulations, it functions as a humectant and conditioning agent, helping to maintain moisture levels and support the skin barrier's overall health and resilience.

How It Works

Hydrolyzed sodium DNA works primarily through its humectant properties. Its molecular structure allows it to bind water molecules and hold them within the skin, which can help improve hydration and reduce transepidermal water loss (TEWL). This mechanism is similar to other humectants used in skincare, such as glycerol or hyaluronic acid.

By maintaining adequate moisture levels, the ingredient indirectly supports barrier function and skin comfort, though it does not actively repair or rebuild skin structures on a biochemical level.

Clinical Evidence & References

Research on hydrolyzed DNA in skincare is limited compared to more established conditioning agents. Available evidence suggests the ingredient performs a standard humectant role, supporting hydration and skin conditioning, though robust clinical data demonstrating specific or superior efficacy remains modest.

The ingredient's inclusion in formulations is generally considered safe and suitable for routine use, but consumers should not expect transformative results beyond basic moisturising and conditioning benefits.

How to Use

Hydrolyzed sodium DNA is typically found in moisturisers, serums, and hydrating treatments. For best results, apply to clean, damp skin and follow with an occlusive moisturiser to seal in hydration. It works well alongside other humectants and hydrating ingredients.

Safety & Precautions

Hydrolyzed sodium DNA is generally well-tolerated and considered safe for topical use. It is unlikely to cause irritation, though those with sensitivities to preservatives or other formula components should patch-test first.

Frequently Asked Questions

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