Rare Beauty Positive Light Under Eye Brightener Versus Revolution Beauty Skin Silk Under Eye Brightener & Concealer

This synthetic powder is used to add a pearly/white color in cosmetics.

Ci 77891 is a white pigment from Titanium dioxide. It is naturally found in minerals such as rutile and ilmenite.

It's main function is to add a white color to cosmetics. It can also be mixed with other colors to create different shades.

Glycerin (or glycerol) is a compound naturally found in your skin. It's a powerhouse humectant that pulls water into the stratum corneum.

Topically, glycerin does several things at once:

Glyceryl Behenate is a fatty acid created from glycerin and behenic acid. It is an emollient and emulsifier.

This ingredient may not be Malassezia folliculitis, or fungal acne safe.

We don't have a description for Hydrogenated Didecene yet.

Hydroxyacetophenone is antioxidant with skin conditioning and soothing properties. It also boosts the efficiency of preservatives.

Though naturally occuring in Norwegian spruce needles, this ingredient is usually synthetically created.

This is a silicone-polyether copolymer with skin conditioning, emulsifying, texture enhancing, and surfactant properties. It is used to help blend water and silicone based ingredients to improve slip and spreadability.

Due to its large molecular size and hydrophilic-lipophilic structure (it loves both oil and water), this ingredient is minimally absorbed into the skin.

Phenyl Trimethicone is a silicon-based polymer. It is derived from silica.

Phenyl Trimethicone is used as an emollient and prevents products from foaming.

Pvp is a water-soluble synthetic polymer and common hairstyling ingredient. It is a film-forming ingredient and used to "hold" specific shapes of hair.

In cosmetics, PVP helps products like sunscreens and color cosmetics last longer and wear more evenly.

Chances are, you eat sodium chloride every day. Sodium Chloride is also known as table salt. This ingredient has many purposes in skincare: thickener, emulsifier, and exfoliator.

You'll most likely find this ingredient in cleansers where it is used to create a gel-like texture. As an emulsifier, it also prevents ingredients from separating.

Tocopheryl Acetate is AKA Vitamin E. It is an antioxidant and protects your skin from free radicals. Free radicals damage the skin by breaking down collagen.

One study found using Tocopheryl Acetate with Vitamin C decreased the number of sunburned cells.

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.