* Waxes: These provide structure and help the eyeliner glide smoothly. Common waxes include carnauba wax, beeswax, candelilla wax, and synthetic waxes.
* Oils: Oils help with blending and provide a creamy texture. Examples include castor oil, mineral oil, and vegetable oils.
* Pigments: These provide the color. They can be inorganic pigments like iron oxides (for black, brown, and red shades) or ultramarines (for blue and violet shades), or organic dyes.
* Fillers: These add bulk and can influence the texture and application. Common fillers include talc, mica, and kaolin clay.
* Binders: Binders hold the ingredients together.
* Preservatives: Preservatives prevent the growth of bacteria and fungi, extending the shelf life of the product. Examples include parabens, phenoxyethanol, and potassium sorbate.
* Film Formers/Polymers: These help the eyeliner adhere to the skin and improve its longevity.
* Emollients/Conditioning Agents: These ingredients can help to condition the skin.
Some eyeliners may also contain:
* Antioxidants: To prevent oxidation and preserve the formula.
* Silicone: To improve glide and texture.
Important Note: If you have any allergies or sensitivities, always check the full ingredient list on the specific product you are using.