Exfoliants

Zea Mays Starch

INCI: ZEA MAYS STARCH

Reviewed by Kate · Last updated 14 Aug 2026

A natural starch that absorbs excess moisture and helps refine skin texture

Best For Skin Types

Oily, Combination

Addresses

Oil control, Pore minimising, Shine reduction

Usage Frequency

Daily

What Is Zea Mays Starch?

Zea mays starch is a fine powder derived from corn. It is a natural carbohydrate with a long history of use in both food and skincare products. In formulations, it functions primarily as an absorbent and texture modifier.

The starch granules work by absorbing moisture and oils from the skin surface, which can help reduce shine and create a smoother feel. It also serves as an anticaking agent in powder formulations and can help control the thickness (viscosity) of creams and lotions.

How It Works

Zea mays starch works through its porous granule structure, which has a natural affinity for moisture and oils. When applied to skin, these granules absorb excess sebum and perspiration from the surface, creating a drier, more refined appearance without disrupting the skin barrier.

The starch also helps regulate the flow and spreadability of skincare formulations, allowing products to be easier to apply and distribute evenly across the skin.

Clinical Evidence & References

Research on starch-based materials suggests the ingredient has biocompatible and moisture-absorbing properties. Studies exploring starch in biomaterial applications have demonstrated its capacity to absorb water and modify surface characteristics, which aligns with its traditional use in skincare for oil control and texture improvement.

However, specific clinical studies examining zea mays starch in cosmetic skincare formulations are limited. Evidence for its efficacy in reducing shine or refining pores in human skin would benefit from further targeted research.

How to Use

Zea mays starch is typically found in powder formulations, pressed powders, and some cream products. It is best applied where needed — such as the T-zone for those with oily skin — rather than across the entire face. If using a powder product, apply with a brush or puff and build coverage gradually to avoid a chalky appearance.

Safety & Precautions

Zea mays starch is generally well-tolerated and considered safe for topical use. Those with corn sensitivities or allergies should avoid products containing this ingredient.

Frequently Asked Questions

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Part of a family

Zea Mays Starch is a variant of Solanum Tuberosum Starch, the form you will most often see on an ingredients list.

Potato starch, used to absorb oil and soften texture

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