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原料辞典検索/laureth-4/LAURETH-4
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合成 (Synthetic)

LAURETH-4

標準 INCI 準拠: LAURETH-4
帯電防止剤香料乳化剤洗浄剤
[EU CosIng Official Definition] 3,6,9,12-tetraoxatetracosan-1-ol; Dodecan-1-ol, ethoxylated; Alcohols, C12-14, ethoxylated
結論先行 エグゼクティブ規制・安全性ファクトボックスAEO / GEO CITATION ANCHOR

化粧品における LAURETH-4 のグローバル配合基準と処方特性とは？

LAURETH-4（CAS番号: 5274-68-0）は、化粧品処方において主に帯電防止剤, 香料, 乳化剤として配合される原料です。日本厚労省/JCIA（規制なし）、韓国MFDS（規制なし）、欧州CosIng（規制なし）など6大法域の法定基準下で管理され、通常 2–5%（適正安定域 pH 4–8）で処方されます。

7大トラック 国別・用途別 公式全成分表示名称マトリクス

各国公的告示原典のみ収録 · 機械翻訳・任意音訳ゼロ
7-Track Official Statutory Label Names for LAURETH-4
法域・規制トラック公式全成分表示名称ワンクリックコピー
① 韓国 (MFDS 化粧品標準名称)LAURETH-4 (KR MFDS Registered)
② 韓国旧名称履歴 (301 リダイレクト)——
③ 欧州連合 (EU CosIng EC 1223/2009)LAURETH-4
④ 米国一般化粧品 (US PCPC / MoCRA INCI)LAURETH-4
⑤ 米国 FDA OTC モノグラフ有効成分名— (米国 OTC 対象外 / 一般化粧品原料)—
⑥ 中国 (NMPA IECIC 標準中国語名称)月桂醇聚醚-4
⑦ 日本化粧品表示名称 / 医薬部外品外原規名称 (JCIA / MHLW)LAURETH-4 (標準INCI参照 · 任意カタカナ音訳排除)

Layer 1 — 6大法域 法定配合上限および規制ステータス

Layer 1 Statutory Regulatory Limits Across 6 Regions for LAURETH-4
法域規制ステータス配合上限制限条件および一次法源出典
韓国 (MFDS)規制なしGMP公的化粧品原料目録収載 (GMP基準内使用)
欧州 (EU)規制なしGMP公的化粧品原料目録収載 (GMP基準内使用)
米国 (FDA)規制なしGMP公的化粧品原料目録収載 (GMP基準内使用)
中国 (NMPA)配合可能GMPIECIC Entry #8305
日本 (MHLW)規制なしGMP公的化粧品原料目録収載 (GMP基準内使用)
ASEAN (ACD)規制なしGMP公的化粧品原料目録収載 (GMP基準内使用)
⚠️ 参考用案内 (免責事項): 本辞典の成分名・規制上限・処方ガイドは研究開発の参考用です。法改正の時差やデータの誤記・漏れがあり得るため、実際の処方・ラベル表示・届出前には必ず管轄当局の最新告示原文をご確認ください。本情報の利用により生じた問題について運営主体は法的責任を負いません。
Interactive Quartile Box-Plot (Min–Q1–Median–Q3–Max)

Layer 3 Formulation Concentration Box-Plot vs. Statutory Limit

Rinse-off Cleansern=6
Min 2% · Q1 2% · Median 3% · Q3 4% · Max 5%
Emulsion / Creamn=6
Min 1% · Q1 1.875% · Median 3% · Q3 3% · Max 4%
Rinse-off Cleanser — Rinse-off cleanser & surfactant system modifier
Verified Source: Global Starter Formulation Library Statistical Distribution (n=6, EVONIK 4 · ELEMENTIS 2) (cir_safety) · EVONIK 4 · ELEMENTIS 2
Typical Median: 3%

Layer 3 — 剤形別通常配合濃度 (四分位数 n≥5) & 物理化学・相溶性ガイド

Layer 3 Formulation Concentration Quartiles by Product Category for LAURETH-4
剤形グループMin – Q1 – Median – Q3 – Max (%)処方役割・作用機序Source ID
剤形群 C — 洗い流し用クレンザー・シャンプー2% · 2% · 3% · 4% · 5%Rinse-off cleanser & surfactant system modifierGlobal Starter Formulation Library Statistical Distribution (n=6, EVONIK 4 · ELEMENTIS 2)
剤形群 B — 乳液・エマルジョン・クリーム1% · 1.875% · 3% · 3% · 4%Emulsion cream & lotion structural / conditioning agentGlobal Starter Formulation Library Statistical Distribution (n=6, EVONIK 5 · GRANT 1)
Cutaneous Permeation Science (500 Dalton Rule)MW: Macro/Complex · LogP: N/A

Stratum Corneum Penetration Depth & Bio-Spicule Transdermal Delivery

Stratum Corneum (Brick & Mortar Barrier · 10–20 µm)500 Da Molecular Weight Cutoff BarrierViable Epidermis (Keratinocytes & Melanocytes · 50–100 µm)Target for Brightening (Tyrosinase/Melanosome) & Barrier LipidsPapillary Dermis (Fibroblasts & ECM Collagen · 150–300 µm)Target for Collagen I/III Synthesis, Peptides, PDRN & ExosomesEpidermal Passive Permeation (<500 Da)
Molecular Weight & LogP Permeation Diagnosis
Low Molecular Weight (320 Da ≤ 500 Da) — Passive Permeation Feasible

Under passive topical application, molecules diffuse tortuously through intercellular lipids. Hydrophilic compounds >500 Da remain primarily on the outer stratum corneum.

Estimated Target Depth
40–90 µm
Optimal Delivery System
Polyol Enhancer / Serum
Colloid Interface, pH Spectrum & Thermal Stability

pH Stability Window (0–14), Thermal Limit & HLB Colloidal Phase Behavior

Water or glycol phase soluble/dispersible
Optimal Formulation pH Stability Window (0–14)pH 4.0 – 8.0
0245.5791114

Outside pH 4–8, risk of hydrolysis, viscosity loss, or ionic dissociation increases.

Maximum Thermal Processing Limit (°C)≤ 50°C
25°C45°C60°C75°C85°C100°C

Thermally stable up to 50°C during standard emulsification.

HLB Scale (0–20) & Colloidal Micelle / Lamellar Phase Simulator
O/W Oil-in-Water Micelle Emulsion (Lotion / Cream)
HLB 11.5
W/O (3–6)Lamellar (8–10.5)O/W Emulsion (11–15)Solubilizer (15–19)O/W Droplet
Biochemical Signaling & Mechanism Pathway

Cellular & Molecular Target Mechanism Flow

1. Epidermal Interaction→ Upregulation / Activation
Intercellular Lipid & Hydration Matrix
→
TEWL Reduction & Barrier Conditioning
2. Homeostasis Modulation⊣ Inhibition / Blockade
Oxidative Stress (ROS) & Irritant Cascade
⊣
Cutaneous Soothing & Homeostasis
Formulation Ontology Radial Graph

Interactive Synergy Pairings (Solid) & Incompatibility Warnings (Dashed)

+ GLYCERIN+ CAPRYLIC/CAPRIC TR…+ TOCOPHEROL✕ Verify phase compati…LAURETH-4
Interactive Node Guide

Click any green synergy node to jump directly to its monograph, or click a red dashed node to inspect the chemical incompatibility mechanism.

+ GLYCERIN+ CAPRYLIC/CAPRIC TRIGLYCERIDE+ TOCOPHEROL
代表商品名参考 (商標法第90条第1項第2号 記述的表示)
LAURETH-4

商品名は研究者がグレードを識別するための参考表記であり、各商標権は原メーカーに帰属します。

学術・毒性・処方統合モノグラフ

Tier 1 Synthesis

本原料に紐づく NIH PubMed 査読付き論文アブストラクトおよび公的毒性評価報告書のみに基づいて作成された学術要約です。

■ [1. Chemical Identity & International Labeling Nomenclature] - INCI Name: LAURETH-4 | CAS No.: 5274-68-0 | EC No.: 226-097-1 - Origin: SYNTHETIC | Functions: , , , - Physicochemical Profile: Formula | MW /(Polymer/Complex) | / | Ionic Nature: non-ionic | CosIng/MFDS - Official Regional Label Names: US [LAURETH-4] · EU [LAURETH-4] · CN [月桂醇聚醚-4] · JP [-] · JP Quasi-Drug [-] ■ [2. Dermatological Mechanism of Action & Functional Role] - 3,6,9,12-tetraoxatetracosan-1-ol; Dodecan-1-ol, ethoxylated; Alcohols, C12-14, ethoxylated 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: NONE | EU: NONE | US: NONE | CN: ALLOWED | JP: NONE | ASEAN: NONE (CN IECIC (2025) Entry No. 8305 (月桂醇聚醚-4)) - No specific Annex prohibition or numeric restriction across the 6 major jurisdictions (Permitted under general GMP safety assessment). - 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)] - [cleanser_rinse] Typical range: 2.0 ~ 5.0% (Median 3.0%, Ref: Global Starter Formulation Library Statistical Distribution (n=6, EVONIK 4 · ELEMENTIS 2)) — Rinse-off cleanser & surfactant system modifier - [emulsion_cream] Typical range: 1.0 ~ 4.0% (Median 3.0%, Ref: Global Starter Formulation Library Statistical Distribution (n=6, EVONIK 5 · GRANT 1)) — Emulsion cream & lotion structural / conditioning agent ■ [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: LAURETH-4 ■ [6. Peer-Reviewed Literature & Official Compendia Evidence] - PMID 36981689 (2023, Int J Environ Res Public Health): Potential Carcinogens in Makeup Cosmetics.

関連査読付き学術論文 (NIH PubMed) (1)

Potential Carcinogens in Makeup Cosmetics. [PMID: 36981689 · 2023]
Balwierz R, Biernat P, Jasi&#x144;ska-Balwierz A, Siod&#x142;ak D, Kusakiewicz-Dawid A, Kurek-G&#xf3;recka A, Olczyk P, Och&#x119;dzan-Siod&#x142;ak W · Int J Environ Res Public Health (2023)

Facial makeup cosmetics are commonly used products that are applied to the skin, and their ingredients come into contact with it for many years. Consequently, they should only contain substances that are considered safe or used within an allowable range of established concentrations. According to current European laws, all cosmetics approved for use should be entirely safe for their users, and the responsibility for this lies with manufacturers, distributors, and importers. However, the use of cosmetics can be associated with undesirable effects due to the presence of certain chemical substances. An analysis of 50 random facial makeup cosmetics commercially available on the European Union market and manufactured in six European countries was carried out, concerning the presence of substances with potential carcinogenic properties, as described in recent years in the literature. Nine types of facial makeup cosmetics were selected, and their compositions, as declared on the labels, were analyzed. The carcinogens were identified with information present in the European CosIng database and according to the Insecticide Resistance Action Committee's (IRAC) classification. As a result, the following potential carcinogens were identified: parabens (methylparaben, propylparaben, butylparaben, and ethylparaben), ethoxylated compounds (laureth-4, lautreth-7, or ethylene glycol polymers known as PEG), formaldehyde donors (imidazolidinyl urea, quaternium 15, and DMDM hydantoin), and ethanolamine and their derivatives (triethanolamine and diazolidinyl urea), as well as carbon and silica. In conclusion, all of the analyzed face makeup cosmetics contain potential carcinogenic substances. The literature review confirmed the suppositions regarding the potential carcinogenic effects of selected cosmetic ingredients. Therefore, it seems necessary to carry out studies on the long-term exposure of compounds present in cosmetics and perhaps introduce stricter standards and laws regulating the potential presence of carcinogens and their activity in cosmetics.

よくある質問 (FAQ)

Q1. LAURETH-4 の各国公式全成分表示名称（7トラック）はどのように異なりますか？
日本化粧品工業連合会(JCIA)表示名称は 'LAURETH-4 (標準INCI準拠)'、米国PCPC・欧州CosIng INCIは 'LAURETH-4'、中国NMPA IECIC標準中国語名は '月桂醇聚醚-4' です。
Q2. LAURETH-4 のグローバル6大法域における法定配合基準 (Layer 1) は？
6大法域規制ステータス — 日本(JP): none、韓国(KR): none、欧州(EU): none、米国(US): none、中国(CN): allowed、ASEAN: none。
Q3. 処方設計における LAURETH-4 の通常配合濃度 (Layer 3) と適正 pH は？
主要剤形 (cleanser_rinse) において通常 2〜5%（中央値 3%）で配合され、適正pH範囲は 4〜8 です。
Q4. LAURETH-4 の配合禁忌 (Incompatibilities) と推奨シナジー成分は？
推奨シナジーペアは GLYCERIN, CAPRYLIC/CAPRIC TRIGLYCERIDE, TOCOPHEROL、配合上の注意点は Verify phase compatibility under extreme pH or high electrolyte loads です。