Zinc Ricinoleate, the zinc salt of ricinoleic acid (a primary fatty acid of castor oil), is recognized for its highly efficient deodorizing ability. Unlike traditional masking agents, it binds and neutralizes volatile odor-causing molecules — especially sulfur and nitrogen compounds — without interfering with natural perspiration or disrupting skin microbiota. This makes it a sought-after element in deodorant sticks, creams, sprays, footcare, and other formulations targeting malodor control.
Although less conventional in skincare or haircare products, Zinc Ricinoleate can be incorporated into body lotions, foot creams, and scalp formulas to impart gentle deodorizing benefits, while its amphiphilic nature may aid emulsion robustness. Its gentle profile supports use in sensitive-skin product ranges without compromising microbiome integrity.
Quick Insights
Ingredient Rating:
GOOD
Type of Ingredient:
Soother
Intended Function:
Capture and neutralize malodorous molecules, support product texture and formulation stability, and soothe irritated skin when formulated appropriately.
Common Applications:
Used in aluminum-free deodorants (sticks, creams, sprays), foot and body lotions, antiperspirant alternatives, and odor-managing hair/scalp products.
Target Audience:
Formulators designing clean, microbiome-conscious odor-control products across body, foot, underarm, and scalp segments seeking effective yet gentle functional actives.
Also Known As:
Zinc Salt of Ricinoleic Acid.
Safety Analysis
The CIR Expert Panel includes Zinc Ricinoleate among castor oil derivatives deemed safe in cosmetic use, with no evidence of genotoxicity or photosensitization. EWG lists it as low-hazard, with no concerns regarding persistence, bioaccumulation, or environmental impact. Skin irritation is rare. The raw material is considered gentle and suitable for sensitive skin. Gel/stick forms have been well tolerated in practice. However, individuals with extreme sensitivities should still perform patch tests.
References
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