An excellent oil-thickening or -gelling agent is provided. The agent is compatible with various oils and can freely control the form or viscosity of oily raw materials or cosmetics by changing the quantity thereof added. The agent contains a novel co-modified organopolysiloxane that contains both a group having a siloxane dendron structure and a hydrophilic group and that preferably has a degree of polymerization of 200 or more. A gel composition containing the co-modified organopolysiloxane is also provided. The gel composition is useful as a base that permits stable and easy preparation of cosmetics having various viscoelasticities and forms. An oil is kept in the form of a gel that has a viscoelasticity falling within the intermediate range between the viscoelasticity of liquid and that of solid. Cosmetics containing the thickening or gelling agent are also provided.
提供了一种优秀的油稠化剂或凝胶剂。该剂与各种油兼容,并且可以通过改变添加量自由地控制油质原料或化妆品的形态或粘度。该剂含有一种新型的共改性有机聚
硅氧烷,该聚
硅氧烷既含有
硅氧烷树枝结构的基团,又含有亲
水基团,最好的聚合度为200或更高。还提供了含有共改性有机聚
硅氧烷的凝胶组合物。该凝胶组合物可用作基础,以便稳定且容易制备具有各种粘弹性和形态的化妆品。油以介于液体和固体粘弹性之间的中间范围的凝胶形式保持。还提供了含有稠化或凝胶剂的化妆品。