What Is Aluminum dimyristate?

Learn about the anticaking, emulsion stabilizing, opacifying, and viscosity-controlling characteristics of Aluminum dimyristate and its usage in personal care products.

What Is Aluminum dimyristate? Brandon Jones / IngredientReviewer

Last Updated: October 2, 2024

Written by Brandon Jones

What Is Aluminum dimyristate?

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Hydroxybis(myristato-O)aluminium is a substance that has several functions when used in cosmetics. It helps prevent clumping, keeps the product smooth and consistent, makes it opaque, and controls its thickness.

What is the purpose of Aluminum dimyristate in personal care products? It is used for its anticaking, emulsion stabilizing, opacifying, and viscosity-controlling characteristics. Aluminum dimyristate prevents clumping, helps mix ingredients and improve shelf life, reduce cosmetic transparency, and adjusts the thickness of a product.

Names and identifiers that we found for this substance include: Aluminum Dimyristate, Hydroxybis(myristato-O)aluminium, "Aluminum, hydroxybis(tetradecanoato-kappaO)-", and Aluminium hydroxide tetradecanoate (1/1/2).

What Are Anticaking Ingredients?

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Aluminum dimyristate has anticaking characteristics.

Anticaking ingredients are used in many cosmetic products to prevent the formation of clumps or lumps. They work by absorbing excess moisture and preventing the buildup of static electricity that can cause particles to stick together.

When powders or other dry ingredients are used in cosmetic products, such as face powders, blush, or eyeshadow, they can clump together, making it challenging to apply the product smoothly. Anticaking agents can help prevent this by coating the individual particles and creating a barrier between them. This barrier makes it more difficult for the particles to stick together, resulting in a smoother and more even application.

Types of Anticaking Ingredients

Here are some of the most common types of anticaking ingredients in cosmetics:

  • Minerals and clays: These ingredients absorb excess moisture, thereby preventing clumping. Examples include talc, kaolin clay, and bentonite clay.

  • Silica derivatives: These ingredients have a high surface area, which allows them to absorb moisture and prevent clumping. Examples include silica microspheres, silica gel, and hydrated silica.

  • Polymers: These ingredients work by coating particles and preventing them from sticking together. Examples include polyethylene glycol (PEG), polyvinylpyrrolidone (PVP), and copolymers of vinylpyrrolidone and vinyl acetate.

  • Fatty acids and their salts: These ingredients reduce friction between particles and prevent them from sticking together. Examples include magnesium stearate, calcium stearate, and stearic acid.

  • Zeolites: These ingredients absorb moisture to prevent clumping. Examples include zeolite A and zeolite Y.

  • Starches: These ingredients work by absorbing moisture and preventing clumping. Examples include cornstarch, rice starch, and tapioca starch.

What Are Emulsion Stabilizing Ingredients?

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Aluminum dimyristate has emulsion stabilizing characteristics.

Emulsion stabilizing ingredients help to mix two or more ingredients that generally don't mix well, such as oil and water, to create a stable mixture. They work by coating the oil droplets in the mixture, preventing them from sticking together and separating over time.

Emulsion stabilizing ingredients make the product last longer and more effectively and ensure it doesn't look strange or separate on the shelf. By helping emulsify, these ingredients help make the product more effective and stable over time.

What Are Opacifying Ingredients?

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Aluminum dimyristate has opacifying characteristics.

Opacifying ingredients are commonly used in cosmetic products to reduce transparency or translucency. These ingredients create a white or opaque appearance in the product, which helps hide imperfections and blemishes on the skin. Some opacifying ingredients also have the added benefit of providing a matte finish, which can be desirable for those with oily or combination skin.

Opacifying ingredients can be found in various cosmetic products, including foundations, powders, and concealers. These ingredients can be synthetic or naturally derived, including titanium dioxide, zinc oxide, and kaolin clay.

What Are Viscosity-Controlling Ingredients?

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Aluminum dimyristate has viscosity-controlling characteristics.

Viscosity-controlling ingredients increase or decrease the thickness of a product. These ingredients are essential in creating the desired texture and consistency for cosmetic products such as lotions, creams, and serums.

Increasing the viscosity of a cosmetic product can provide a thicker and more substantial texture, making it easier to apply and providing better coverage. On the other hand, decreasing the viscosity can create a lighter, more fluid consistency, allowing for quicker absorption into the skin.

Safety

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Remember, always read and follow the instructions provided on product labels carefully. If you have any questions or concerns about using a product containing various ingredients, consult with your doctor or healthcare provider before use.