Pyridoxine Dicaprylate
INCI: PYRIDOXINE DICAPRYLATE
Reviewed by Kate · Last updated 14 Aug 2026
A vitamin B6 derivative that conditions skin and hair whilst supporting the skin barrier
Best For Skin Types
All, Oily, Dry, Combination, Sensitive
Addresses
Usage Frequency
Daily
What Is Pyridoxine Dicaprylate?
Pyridoxine dicaprylate is a fat-soluble form of vitamin B6 (pyridoxine), created by attaching two caprylic acid chains to the vitamin. This modification allows the ingredient to penetrate the skin more effectively than water-soluble B6, making it better suited to topical formulations. It functions as both a skin and hair conditioning agent.
Vitamin B6 plays a role in skin health by supporting normal sebum production regulation and contributing to barrier function. The dicaprylate form allows formulators to incorporate this benefit into creams, serums, and other skincare products where standard pyridoxine would be less stable or effective.
How It Works
Pyridoxine dicaprylate works through two mechanisms. First, the caprylic acid chains make the molecule lipophilic (fat-loving), allowing it to penetrate the skin barrier more readily than water-soluble B6. Once absorbed, the pyridoxine component is available to support skin's natural biological processes.
As a conditioning agent, it helps attract and retain moisture in the outer layers of skin and hair, improving texture and preventing moisture loss. This action is particularly relevant for barrier support, as adequate moisture retention is central to healthy skin function.
Clinical Evidence & References
Research into pyridoxine dicaprylate's dermal delivery has focused on developing formulation strategies, such as nanoparticle systems, to enhance skin penetration. Studies suggest that the dicaprylate form can accumulate effectively in skin when properly formulated, though direct efficacy research specific to this ingredient in cosmetic products remains limited.
Vitamin B6 itself has a well-established role in skin health, but evidence for pyridoxine dicaprylate's specific benefits at typical cosmetic concentrations is not extensive. The ingredient appears well-tolerated in formulations, but consumers should not expect dramatic results—its role is primarily supportive.
How to Use
Pyridoxine dicaprylate is typically included in leave-on skincare products such as creams, serums, and conditioners, where it can remain in contact with skin or hair. There is no need for specific timing or frequency adjustments; use these products according to the instructions on your chosen formulation. It works well alongside other conditioning and barrier-supporting ingredients.
Safety & Precautions
Frequently Asked Questions
From the Clinic
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