Silicon in cosmetics refers to various polysiloxane polymer compounds (Silicone). The vast majority of make-up products contain "silicon", and many essences and oil-free creams in skin care products also contain "silicon".

There are two considerations for adding silicon to skin care products. First, skin care products containing silicon feel smoother and more extensible when applied, which can bring a "false slippery" texture that some people like. On the other hand, and more importantly, silicon is a very common matrix with strong stability and can protect the activity of some active ingredients, such as vitamin C, which is easily oxidized and denatured, so that the product can play its role for a longer period of time.

Because European and American brands usually attach great importance to skin feel, "silicon" will not be absorbed by the skin, and it will not bring any substantial skin care effects other than moisturizing, but it can provide immediate effects such as smoothing, filling pores and wrinkles, and Refreshing and non-greasy feeling on the face. At the same time, because "silicon" will provide a smooth feeling, this ingredient is often added to many shampoos.

Polysiloxane is very safe and stable in the chemical field, and it is not likely to be absorbed into the body, so it can be used with confidence for most people.
Human skin is not sensitive to various silicone oil materials, and the stimulating effect of silicone oil is weak. Some cyclosilicon oils can be absorbed in a small amount through the skin, but they will not cause skin irritation and allergic reactions.

Through clinical experiments, it is found that silicone oil has no obvious effect on the urinary system, digestive system, and circulatory system of the human body. Longer-term clinical observational studies have shown that silicone oil does not increase the risk of cancer. The impact of silicones on human immune stress has not yet been determined, but so far there is no clear evidence that silicone oils can affect the immune system. So far, there is no experimental evidence that silicone oil materials have a significant negative impact on the human body.

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