Article last updated: October 15, 2024
Magnesium Carbonate Hydroxide, often found in nature as the mineral hydromagnesite, is a compound that combines magnesium, carbon, oxygen, and hydrogen. This ingredient is typically sourced from natural deposits or synthesized through chemical processes. Its chemical formula is Mg5(CO3)4(OH)2·4H2O, reflecting its composition of magnesium carbonate and magnesium hydroxide.
Historically, magnesium carbonate hydroxide has been used in various applications, from industrial uses to health supplements. Its journey into the cosmetic world began as formulators discovered its multifunctional properties. Initially, it was valued for its ability to act as a bulking agent, but over time, its buffering, binding, and viscosity-controlling capabilities made it a staple in many cosmetic formulations.
The production of magnesium carbonate hydroxide typically involves the reaction of magnesium salts with sodium carbonate in an aqueous solution, followed by filtration and drying. This process ensures a high-purity product suitable for use in cosmetics, where consistency and safety are paramount.
In this section, we will delve into the officially recognized cosmetic benefits and uses of Magnesium Carbonate Hydroxide:
Magnesium Carbonate Hydroxide acts as a binding agent in cosmetics. This means it helps to hold together the ingredients in a product, ensuring that they mix well and stay combined. For example, in a pressed powder or eyeshadow, this ingredient helps to keep the product from crumbling apart, making it easier to apply and more durable.
As a buffering agent, Magnesium Carbonate Hydroxide helps to maintain the pH balance of a cosmetic product. This is crucial because the pH level can affect the stability and performance of the product, as well as how it interacts with your skin. By keeping the pH level in check, this ingredient ensures that the product remains effective and gentle on your skin.
Magnesium Carbonate Hydroxide is also used as a bulking agent. This means it adds volume to a product without affecting its other properties. For instance, in a face powder or foundation, it can help to give the product a fuller, more substantial feel without altering its color or texture. This can make the product easier to apply and more comfortable to wear.
Lastly, Magnesium Carbonate Hydroxide serves as a viscosity controlling agent. This means it helps to manage the thickness or thinness of a product. Whether it’s a lotion, cream, or gel, this ingredient ensures that the product has the right consistency for easy application and optimal performance. It can make a product thicker to prevent it from running or thinner to make it spread more easily.
Note: the listed benefits above are exclusively based on the officially recognized and defined functions of the ingredient, as documented by the International Nomenclature of Cosmetic Ingredients (INCI).
Magnesium Carbonate Hydroxide is generally considered safe for use in cosmetic products. It is non-toxic and non-irritating for most individuals. However, as with any ingredient, there are potential side effects that users should be aware of:
Regarding individuals who are pregnant or breastfeeding, data and research on the topical usage of Magnesium Carbonate Hydroxide during pregnancy are lacking. It is advisable for these individuals to consult a healthcare professional for further advice.
Adverse reactions to Magnesium Carbonate Hydroxide are uncommon. However, it is always recommended to conduct a patch test before widespread usage to ensure there are no adverse reactions.
Magnesium Carbonate Hydroxide has a comedogenic rating of 1, which means it is very unlikely to clog pores. This makes it a suitable ingredient for individuals prone to acne, blemishes, or breakouts.
