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Magnesium Aluminum Silicate

* A naturally occurring thickener

Magnesium Aluminum Silicate is a naturally occurring mineral derived from refined and purified clay that is used primarily as a thickener in cosmetics and beauty products. It is naturally of a flaky, white consistency and is used most often as a filler in deodorants, shaving creams and thick lotions. It is also important to note that Magnesium Aluminum Silicate has unusually large molecules; because of these large molecules, it is unable to be absorbed into the skin (source).

* A naturally occurring thickener

Functions of Magnesium Aluminum Silicate:

Magnesium Aluminum Silicate is a naturally occurring mineral derived from refined and purified clay that is used primarily as a thickener in cosmetics and beauty products. It is naturally of a flaky, white consistency and is used most often as a filler in deodorants, shaving creams and thick lotions. It is also important to note that Magnesium Aluminum Silicate has unusually large molecules; because of these large molecules, it is unable to be absorbed into the skin (source).

Safety Measures/Side Effects of Magnesium Aluminum Silicate:

According to the Cosmetic Database, Magnesium Aluminum Silicate is approved by the CIR Expert Panel, but only in limited concentrations. The CIR's concern stems from the known risk of any ingredient that contains aluminum compounds, which are known neurotoxins.

A study published in the International Journal of Toxicology in 2003 found that Magnesium Aluminum Silicate was a weak irritant in testing on rabbits; it has otherwise been considered to be safe for use in cosmetics and beauty products.

Recommended Products with Magnesium Aluminum Silicate:

MD Solar Sciences Mineral Lotion SPF 50 ($34)

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