By Terry Mascara Terrybly - Growth Booster - Black Parti-pris Versus Clinique Lash Power Mascara Long-Wearing Formula - Black Onyx

Phenoxyethanol is a preservative that has germicide, antimicrobial, and aromatic properties. Studies show that phenoxyethanol can prevent microbial growth. By itself, it has a scent that is similar to that of a rose.

It's often used in formulations along with Caprylyl Glycol to preserve the shelf life of products.

Silica is a mineral naturally found in our skin. It helps to thicken and smooth the texture of a product. It also acts as an agent for other ingredients by increasing the absorption of other ingredients into the skin.

Silica is often used for absorption and can help reduce shine when products are applied. Silica occurs in naturally in materials like clay and sandstone, and it can also be produced synthetically.

Simethicone is a silicone. It is an emollient and used to reduce foaming in a product. It is also often used to coat sunscreen ingredients for better spreadability.

This ingredient is created by mixing dimethylpolysiloxane and hydrated silica.

Water. It's the most common cosmetic ingredient of all. You'll usually see it at the top of ingredient lists, meaning that it makes up the largest part of the product.

So why is it so popular? Water most often acts as a solvent - this means that it helps dissolve other ingredients into the formulation.