In organic chemistry, a carbomer is an expanded molecule obtained by insertion of a C2 unit in a given molecule.

Contents

Uses

The Carbomers help to distribute or suspend an insoluble solid in a liquid. They are also used to keep emulsions from separating into their oil and liquid components. Carbomers are often used to control the consistency and flow of cosmetics and personal care products.

Benefits

Carbomers are thickening agents that help control the viscosity and flow of cosmetic products. They also help distribute and suspend insoluble solids into liquid, and prevent the oil and liquid parts of a solution from separating. They have the ability to absorb and retain water, and can swell up to 1000 times their original volume when dispersed in water.  Generally, this class of ingredients is used in gel-like formulations because it forms a colloidal, mucilage-like consistency when mixed in water. On a cosmetic ingredient list, the name carbomeris sometimes associated with a number such as 910, 934, 940, 941 and 934P. These numbers simply represent the specific molecular weight and compositions of the polymer. This ingredient is contained in a wide range of personal care products such as styling gel, facial moisturizer, sunscreen, shampoo, anti-aging treatment, eye cream, cleanser and scrubs.

Cautions

The Cosmetic Ingredient Review (CIR) Expert Panel has assessed this ingredient as safe to use in cosmetic products. In reviewing acute oral and dermal studies, they determined that carbomers have a low potential for phototoxicity, photo-contact allergenicity, skin irritation and sensitization at concentrations up to 100%.

Interactions

None are recorded.

Other names

n/a

References

TruthinAging, https://www.truthinaging.com/ingredients/carbomer

CosmeticsInfo, http://www.cosmeticsinfo.org/ingredient/carbomer-0

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