赤ちゃんのスキンケア製品におけるプラスチックの添加物の疑いのスクリーニング
Xiaolin Liang1, Yao Cheng1, Shuqin Tang1
1College of Environment and Climate, Guangdong Key Laboratory of Environmental Pollution and Health, Jinan University, Guangzhou 510632, China.
Environment international
|February 13, 2026
まとめ
プラスチック添加物 (PA) は,赤ちゃんのスキンケア製品に多く含まれ,新たに20以上の化合物が発見されています. 曝露は低いものの,PAの多様性は乳児の健康に懸念を喚起しています.
科学分野:
- 環境化学 環境化学
- 消費者製品安全について
- アナリティカル・ケミストリー (Analytical Chemistry) とは
背景:
- 赤ちゃんのスキンケア製品は広く使用されていますが,プラスチックの添加物 (PA) の存在と影響は十分に理解されていません.
- PAsは,包装から浸出したり,製品製剤に組み込まれ,乳児に潜在的なリスクをもたらす可能性があります.
研究 の 目的:
- 赤ちゃんの様々なスキンケア製品に含まれるプラスチックの添加物 (PA) を包括的に特定し,定量化する.
- 新しい変換製品を含むPAの化学的多様性と濃度を評価する.
- 乳幼児のこれらの化学物質への曝露に関連する潜在的なリスクを評価する.
主な方法:
- 疑似者のスクリーニングと標的の定量化のための高解像度質量スペクトロメトリーを使用して55の赤ちゃんのスキンケア製品の分析.
- 121のPAsの特定と定量化,99のPAsは参照基準を用いて確認された.
- オーガノフォスファートエステルや紫外線安定剤などの変換製品の調査.
主要な成果:
- 121件のPAが赤ちゃん用製品で特定され,20件以上が初めて報告されました.
- 全体のPA濃度の中央値は3,220ng/gで,非フタラート可塑剤が優勢でした.
- 複合的な化学プロファイルを示す変換製品が特定されました.
- 異なる製品タイプ (ローション,粉末,泡) において,異なるPAプロファイルが観察されました.
結論:
- 赤ちゃんのスキンケア製品には,新しい化合物や変換製品を含む,幅広い種類のPAが含まれています.
- 推定される乳児の暴露レベルは一般的に低いが,PAの頻繁な検出と多様性は,累積的および混合効果に関する懸念を正当化している.
- この研究は,赤ちゃんのスキンケア製品の安全性を評価するための重要なデータを提供し,脆弱な集団における化学物質暴露の継続的なモニタリングの必要性を強調しています.
関連する概念動画
Conjugate Addition (1,4-Addition) vs Direct Addition (1,2-Addition)
4.4K
α,β-Unsaturated carbonyl compounds with two electrophilic sites, the carbonyl carbon, and the β carbon, are susceptible to nucleophilic attack via two modes: conjugate or 1,4-addition and direct or 1,2-addition.
Conjugate addition results in a thermodynamically stable product. The reaction retains the stronger C=O bond at the expense of the weaker C=C π bond. The process is slow as the β carbon is less electrophilic than the carbonyl carbon.
Direct addition products are...
Conjugate addition results in a thermodynamically stable product. The reaction retains the stronger C=O bond at the expense of the weaker C=C π bond. The process is slow as the β carbon is less electrophilic than the carbonyl carbon.
Direct addition products are...
4.4K
Plasticity
3.1K
Plasticity is the property where an object loses its elasticity and undergoes irreversible deformation, even after the deformation forces are eliminated. If a material deforms irreversibly without increasing stress or load, then this is called ideal plasticity. For example, when a force is applied to an aluminum rod, it changes its shape, but it does not return to its original shape once the force is removed. Plastic deformation or ductility is thus a permanent deformation or change in the...
3.1K
Plasticizers
379
Water-reducers, or plasticizers, are chemical admixtures used in concrete to improve strength and workability. These additives reduce the water-cement ratio without compromising workability, lower the cement content while maintaining the same workability, or increase workability to assist concrete placement in inaccessible areas.
Plasticizers function by using surface-active agents to create repulsive electrostatic forces between cement particles. This dispersion enhances the concrete's...
Plasticizers function by using surface-active agents to create repulsive electrostatic forces between cement particles. This dispersion enhances the concrete's...
379
Plastic Behavior
598
A material's elastic behavior is characterized by the disappearance of stress once the load is removed, allowing the material to return to its original state. However, when stress surpasses the yield point, yielding commences, marking the onset of plastic deformation or permanent set. This change from elastic to plastic behavior is influenced by the peak stress value and the duration before the load is removed. An intriguing observation occurs when a specimen is loaded, unloaded, and...
598
Plastic Deformations
485
It is essential to understand how structural members behave under plastic deformation when the bending stress exceeds the material's yield strength. This state of deformation permanently alters the shape of the member, in contrast to the linear elastic behavior observed before yielding. The strain at any point in the member is expressed in terms of maximum strain. Notably, the neutral axis, which coincides with the centroid during elastic bending, shifts away from the centroid under plastic...
485
Plastic Deformations
480
Plastic deformation represents a fundamental concept in materials science, which explains the irreversible change in the shape of a material when it experiences stress beyond its elastic capability. This phenomenon is important in structural engineering, especially in designing and analyzing cantilever beams—structures that are securely fixed at one end and bear loads at the opposite end. When these beams are subjected to loads within their elastic range, they will return to their...
480


