Dimethylsilicone oil, as a commonly used ingredient in the cosmetics industry, has been verified for its safety through numerous studies and authoritative institutions. This colorless and odorless organic silicon polymer, due to its excellent lubricity and film-forming properties, is widely found in products such as face creams, foundation, and hair conditioners.
From the perspective of human safety, it has extremely low skin permeability and forms a protective film only on the surface, without entering the bloodstream, and there are no reports of carcinogenic or teratogenic effects. The US FDA, EU cosmetics regulations, etc. have all approved its use. The US CIR expert panel has twice evaluated it and confirmed its safety at conventional concentrations. Through patch testing, it shows low irritation even on sensitive skin and even infant skin, and the risk of causing acne is zero.
However, the controversy lies in environmental impact: it is difficult to biodegrade and may enter the natural environment through sewage. Although no direct harm to human health has been found in drinking water at present, environmental protection organizations call for strengthened supervision. In addition, a small number of people may have allergic reactions. It is recommended to do a local test before use.
In summary, dimethylsilicone oil is safe for the human body and can improve the skin feel and efficacy of products. Consumers can choose according to their own needs, pay attention to the purity standard of the product, and if there are environmental concerns, they can also choose silicone-free products made from plant-based substitutes.