Zinc Ricinoleate

Benefits
AntifungalAntiseptic

What is Zinc Ricinoleate?

Zinc ricinoleate is the zinc salt of ricinoleic acid, a fatty acid primarily sourced from castor oil seeds. This naturally derived compound appears in cosmetics, especially deodorants, dry shampoos, and powdered products. It functions by forming insoluble complexes with volatile odor molecules, effectively trapping and neutralizing them to reduce body malodor without antibacterial action. Additionally, its absorbent properties help prevent powders from clumping by minimizing moisture absorption, ensuring smooth flow and even application. In formulations, it contributes to opacity, enhancing visual appeal by reducing transparency and masking imperfections. Commonly used at low levels, it integrates well into anhydrous or low-water systems like sticks and sprays, providing a non-sticky texture.

Comedogenic Rating 0/5 Low risk of clogging pores
EWG Safety Rating 1 View on EWG →
PubChem View on PubChem →

Roles in Formulation

This ingredient serves the following purposes in cosmetic formulations:

Anticaking agent
Prevents powders from clumping by reducing moisture pickup and improving flow, keeping loose and pressed powders uniform during storage and use.
Deodorant agent
Targets malodor by neutralizing odor molecules, inhibiting odor-causing microbes, or adding fragrance notes to improve underarm and body freshness.
Opacifying agent
Makes a formula less transparent to create a creamy, opaque look; can also help visually mask suspended particles and improve aesthetic uniformity.
Deodorant
Helps control body odor by reducing odor-causing bacteria and/or neutralizing or masking malodor, without necessarily reducing sweat production.

Benefits

Neutralizes odor molecules for effective deodorizing in body products.

Prevents clumping in powders for better usability and uniformity.

Offers antifungal and antiseptic properties to support freshness.

Who It's For

A quick guide for who this ingredient may suit (and who should be cautious).

Who May Benefit Who Should Avoid
Individuals seeking natural odor control in deodorants.
Those with known sensitivity to zinc compounds.
Users of powdered cosmetics needing anticaking performance.
Individuals allergic to castor oil derivatives.
People preferring castor oil-derived ingredients for mild deodorizing.
People with very dry skin prone to irritation from salts.

Safety Notes

  • Rated low hazard by environmental health databases.
  • Generally well-tolerated in rinse-off and leave-on cosmetics.

Frequently Asked Questions about Zinc Ricinoleate

What is zinc ricinoleate made from?

It is the zinc salt of ricinoleic acid from castor oil.

How does it work in deodorants?

It traps and neutralizes odor molecules through complex formation.

Is it safe for daily use?

Yes, it has a low safety rating in cosmetic applications.