Pyridoxine Cyclic Phosphate
INCI: PYRIDOXINE CYCLIC PHOSPHATE
Reviewed by Daisy · Last updated 14 Aug 2026
A stabilised form of vitamin B6 that supports skin and hair conditioning
Best For Skin Types
All
Addresses
Usage Frequency
Daily
What Is Pyridoxine Cyclic Phosphate?
Pyridoxine cyclic phosphate is a modified form of vitamin B6 (pyridoxine), designed to improve stability and absorption in skincare formulations. The cyclic phosphate structure makes it more resistant to degradation compared to standard pyridoxine, allowing it to remain effective in finished products for longer.
In skincare, this ingredient functions primarily as a conditioning agent, helping to improve the texture and feel of products whilst supporting the skin's natural processes. It's used in both skincare and haircare formulations.
How It Works
Pyridoxine cyclic phosphate works by delivering vitamin B6 to the skin in a more stable form. Vitamin B6 is a coenzyme involved in numerous metabolic pathways in the skin, including the synthesis of neurotransmitters and lipids that contribute to barrier health and skin function.
The cyclic phosphate modification protects the molecule from oxidative degradation, allowing it to remain bioavailable in formulations. This supports the skin's natural conditioning and maintenance processes more consistently over time.
Clinical Evidence & References
Evidence specifically investigating pyridoxine cyclic phosphate in skincare is limited. However, vitamin B6 more broadly has been studied for its role in skin health, particularly in supporting barrier function and inflammatory responses. The modified form is used in cosmetics primarily for its improved stability rather than enhanced efficacy.
More research would be beneficial to establish specific clinical benefits of this ingredient form in skincare applications. At present, it is best regarded as a supportive conditioning agent rather than a treatment for specific skin concerns.
How to Use
Pyridoxine cyclic phosphate is typically incorporated into serums, moisturisers and conditioning treatments. Because it is a conditioning agent rather than an active treatment, it works best as part of a broader skincare routine. There are no specific usage restrictions, and it can be used daily as part of your regular regimen.
Safety & Precautions
Frequently Asked Questions
From the Clinic
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