# ZINC STEARATE (zinc-stearate) — Global Cosmetic Regulatory & Formulation Monograph

- **Canonical URL**: https://www.inciname.com/en/ingredients/zinc-stearate
- **Standard INCI**: `ZINC STEARATE`
- **KR MFDS Standard Name**: `징크스테아레이트`
- **CAS No.**: `557-05-1`
- **EC / EINECS No.**: `209-151-9`
- **Origin**: `synthetic`
- **Functions**: 색소, 점도조절제, 고결방지제, 슬립조절제
- **Molecular Formula / MW**: `—` (— g/mol)

## 1. 7-Track Official Regulatory Label Names
| Track | Official Label Nomenclature |
| :--- | :--- |
| KR (MFDS Standard) | 징크스테아레이트 |
| KR (Former Names) | — |
| EU (CosIng 1223/2009) | ZINC STEARATE |
| US (PCPC / MoCRA INCI) | ZINC STEARATE |
| US (FDA OTC Monograph) | — |
| CN (NMPA IECIC) | 硬脂酸锌 |
| JP (JCIA / MHLW QD) | ZINC STEARATE  |

## 2. Layer 1 — Global 6-Region Statutory Summary
- **KR (MFDS)**: `allowed`
- **EU (1223/2009)**: `noted`
- **US (FDA/MoCRA)**: `none`
- **CN (NMPA IECIC)**: `allowed` (Entry: `8038`)
- **JP (MHLW)**: `none`
- **ASEAN (ACD)**: `none`



## 3. Layer 2 — Toxicological & Historical Safe Use Concentrations
- Listed within general cosmetic GMP safety thresholds.

## 4. Layer 3 — Formulation Quartiles & Compatibility
- **Optimal pH Window**: 4 – 8
- **Max Process Temp**: ≤ 50°C
- **Synergy Pairings**: GLYCERIN, CAPRYLIC/CAPRIC TRIGLYCERIDE, TOCOPHEROL
- **Incompatibilities**: Verify phase compatibility under extreme pH or high electrolyte loads

## 5. Academic Monograph
■ [1. Chemical Identity & International Labeling Nomenclature]
  - INCI Name: ZINC STEARATE | CAS No.: 557-05-1 | EC No.: 209-151-9
  - Origin: SYNTHETIC | Functions: , , , 
  - Physicochemical Profile: Formula      | MW /(Polymer/Complex) | /   | Ionic Nature: non-ionic | CosIng/MFDS 
  - Official Regional Label Names: US [ZINC STEARATE] · EU [ZINC STEARATE] · CN [硬脂酸锌] · JP [-] · JP Quasi-Drug [-]
■ [2. Dermatological Mechanism of Action & Functional Role]
  - Zinc Stearate is the zinc salt of stearic acid that conforms generally to the formula: Classified under origin 'synthetic', it acts within the cosmetic vehicle or stratum corneum to deliver , , ,  performance and structural formulation stability.
■ [3. Global 6-Jurisdiction Regulatory Status & Safety Limits (Layer 1 & Layer 2)]
  - Regional Summary: KR: ALLOWED | EU: NOTED | US: NONE | CN: ALLOWED | JP: NONE | ASEAN: NONE (CN IECIC (2025) Entry No. 8038 (硬脂酸锌))
  - [EU / COMPOSITION / noted]: 
  - [KR / COMPOSITION / allowed]: 
  - Official Safety & Historical Use Concentration (Layer 2): Quantum satis (QS) within standard cosmetic safety margins
■ [4. Formulation Dosage Guide by Product Category (Layer 3-A)]
  - [emulsion_cream] Typical range: 0.25 ~ 1.0% (Median 0.5%, Ref: Global Starter Formulation Library Statistical Distribution (n=16, EVONIK 14 · SEPPIC 2)) — Emulsion cream & lotion structural / conditioning agent
  - [sun_color] Typical range: 0.4 ~ 7.0% (Median 0.7%, Ref: Global Starter Formulation Library Statistical Distribution (n=5, EVONIK 4 · GRANT 1)) — Sun care & color cosmetics dispersion / sensory modifier
■ [5. Formulation Engineering, Stability & Incompatibility Matrix (Layer 3-B)]
  - Addition Phase: Water Phase or Cool-down Phase (< 45°C)
  - Optimal pH Range: pH 4.0 ~ 8.0 | Max Process Temp: Max 50°C | Electrolyte Tolerance: MEDIUM
  - Incompatibility / Caution: Verify phase compatibility under extreme pH or high electrolyte loads
  - Synergy Pairings: GLYCERIN, CAPRYLIC/CAPRIC TRIGLYCERIDE, TOCOPHEROL | Reference Trade Names: ZINC STEARATE
■ [6. Peer-Reviewed Literature & Official Compendia Evidence]
  - Validated against official regulatory compendia (MFDS/CosIng/CIR/SCCS) and physicochemical standards.

## 6. Linked PubMed Literature