Eyeliner pencils are a popular type of eyeliner that come in a pencil form. Here are some details about eyeliner pencils, including their ingredients and some positive and negative aspects:

Ingredients:

• Eyeliner pencils contain the same basic kinds of ingredients: film formers, thickeners, and pigments.
• Film formers deposit a thin layer on your skin. Thickeners, such as waxes, natural gums, and clays, help stabilize the formula so it will stick to your lids. Pigments include iron oxides to create blacks and browns, ultramarine for blue, chromium oxide for green, and titanium dioxide for white.
• Some eyeliner pencils are made with organic ingredients such as jojoba, shea butter, vitamins E and C, and sunflower oil.

Positive aspects:

• Eyeliner pencils are easy to use and can be applied directly to the lash line for a natural effect.
• They can be smudged for a smoky look or applied in a heavy, dramatic line.
• Some eyeliner pencils contain natural ingredients such as vitamin E and jojoba oil, which hydrate and nourish the delicate skin of your eyes.

Negative aspects:

• Eyeliner pencils tend to be waxier than other liners and more likely to smear.
• Some eyeliner pencils may contain fragrance or other ingredients that can irritate the eyes.

In summary, eyeliner pencils contain film formers, thickeners, and pigments, and can be made with organic ingredients. They are easy to use and can be smudged for a smoky look, but may be more likely to smear than other liners. Some eyeliner pencils may contain ingredients that can irritate the eyes.