M-Hydroxyanisole
INCI: M-HYDROXYANISOLE
Reviewed by Daisy · Last updated 14 Aug 2026
A skin-conditioning agent that helps maintain skin's moisture and texture
Best For Skin Types
All, Dry, Mature
Addresses
Usage Frequency
Daily
What Is M-Hydroxyanisole?
M-Hydroxyanisole is a synthetic organic compound used in skincare formulations primarily as a skin conditioning agent. It works to support the skin's natural moisture retention and help maintain a smooth skin texture.
This ingredient functions by helping to bind water to the skin's surface and upper layers, which can contribute to a more supple and even appearance. It is typically incorporated into moisturisers, serums, and other hydrating products in relatively small concentrations.
How It Works
M-Hydroxyanisole acts as a humectant and conditioning agent, meaning it draws moisture into the skin and helps seal it in place. By increasing the skin's ability to retain water, it supports the skin's natural barrier function and helps maintain skin suppleness.
The ingredient works best when combined with other moisturising ingredients and in formulations designed to support hydration. Its effect is cumulative with regular use rather than immediate.
Clinical Evidence & References
M-Hydroxyanisole is included in skincare products for its conditioning properties, though robust clinical evidence specific to this ingredient is limited in published research. Its use is supported by general knowledge of how humectant and skin-conditioning agents function in skincare formulations.
Research on skin ageing demonstrates the importance of maintaining hydration and barrier function as part of healthy skin maintenance, which aligns with the role of conditioning agents in supporting these functions.
How to Use
M-Hydroxyanisole is best used as part of a complete hydration routine. Apply products containing this ingredient to clean, damp skin to maximise moisture absorption, and layer with a moisturiser to seal in hydration. It can be used daily, morning and evening, as part of your regular skincare regimen.
Safety & Precautions
Frequently Asked Questions
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