Is carbomer safe to use on the skin?

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Carbomer  is a term used for a series of polymers mainly derived from acrylic monomers. They are macromolecules used to thicken and stabilize skin care formulas. Carbomer is composed of white fluffy powder, which varies according to the size of the polymer chain. The larger the polymer chains, the stronger their influence on the results of the preparation. Carbomer also acts as an emulsifier in the preparation, helping to prevent the emulsifier from separating into oil and liquid components.

Is carbomer safe to use on my skin Carbomer exists in a variety of product types, including skin, nail and makeup products. Carbomer is considered to be a low hazard ingredient in skin care formula and can be safely used for skin. Carbomer product is a nonlinear polymer for synthesizing high molecular weight acrylic acid, which is crosslinked with polyether. They are used to regulate liquid viscosity, improve thixotropy and stability of gel systems, and play an important import role in cosmetics, pharmaceuticals and technology products.

For example, in the study of toxic eye irritation, Carbomer products (e.g. carbomer 940, 980) are not considered to be irritating to the eyes based on the non flushing group according to the evaluation criteria. As Mr. Jonathan studied and reported below, acute oral animal studies have shown that carbomer products (e.g. carbomer 934, 934p, 940 and 941) have low toxicity when ingested. When tested with carbomer 981 and 934, the stimulation to the skin was the smallest and the stimulation to the eyes was zero. Subchronic feeding of rats and dogs with carbomer 934 in the diet resulted in lower body weight than normal body weight, but no pathological changes were observed.

Dogs fed carbomer-934p for a long time showed gastrointestinal irritation and obvious pigment deposition in liver cells. Carbomer's clinical studies have shown that these polymers have a low possibility of skin irritation and sensitization at concentrations up to 100%. Carbomer 934 showed low phototoxicity and light contact sensitization potential. The safety of carbomer has been assessed by the cosmetic ingredient review expert group (cosmetic ingredient review expert group), which is responsible for assessing the safety of skin care and cosmetics. Carbomer polymers exhibit low phototoxicity, light contact allergenicity, skin irritation and sensitization at concentrations up to 100%. Based on the available information provided and the limitations in the report, it is concluded that carbomer products are safe as cosmetic ingredients.

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