Skin Conditioning

Coix Lacryma-Jobi Ma-Yuen Root Extract

INCI: COIX LACRYMA-JOBI MA-YUEN ROOT EXTRACT

Reviewed by Daisy · Last updated 14 Aug 2026

A traditional plant extract that conditions and softens the skin

Best For Skin Types

All, Dry, Sensitive

Addresses

Dryness, Hydration

Usage Frequency

Daily

What Is Coix Lacryma-Jobi Ma-Yuen Root Extract?

Coix Lacryma-Jobi Ma-Yuen Root Extract comes from the root of Job's tears, a grain-like plant native to Southeast Asia with a long history in traditional medicine and skincare. In cosmetic formulations, it functions as a skin conditioning agent, helping to improve the texture and feel of the skin.

The extract contains compounds that are thought to interact with the skin's surface, contributing to softening and hydration benefits. It is typically incorporated into moisturisers, serums, and treatment products where skin conditioning is a priority.

How It Works

As a skin conditioning agent, this extract works primarily at the skin's surface. The active compounds in the extract are thought to bind to the skin and help seal in moisture, reducing transepidermal water loss and improving the overall hydration status of the stratum corneum.

The extract may also contain polysaccharides and other compounds that create a light protective layer on the skin, enhancing its suppleness and comfort without leaving a heavy residue.

Clinical Evidence & References

Direct clinical studies specific to Coix Lacryma-Jobi Ma-Yuen Root Extract are limited in the published literature. However, the ingredient has been used in traditional Asian skincare formulations for centuries, and its inclusion in modern cosmetics is based on historical use and preliminary in-vitro research suggesting skin conditioning properties.

Further clinical research would be beneficial to establish efficacy in controlled studies. At present, the evidence base is primarily observational and rooted in traditional use rather than large-scale clinical trials.

How to Use

This ingredient is best used as part of a regular skincare routine rather than as an occasional treatment. It works well in moisturisers and serums applied to clean, damp skin where it can help seal in hydration. There is no need to adjust usage based on time of day, making it suitable for both morning and evening routines.

Safety & Precautions

Coix Lacryma-Jobi Ma-Yuen Root Extract is generally considered well-tolerated in skincare products. However, as with any new ingredient, patch testing is advisable for individuals with sensitive skin or a history of botanical ingredient sensitivities.

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