Answer :
Final answer:
Mascara is used to darken, define and thicken the eyelashes, with eyeliner and eyeshadow being used for shaping, defining or adding colour to other parts of the eyes.
Explanation:
The product that darkens, defines, and thickens the eyelashes is mascara. Mascara is typically used in the makeup regimen to enhance the eyes by darkening, thickening, lengthening, and/or defining the lashes. Eyeliner is used around the contour of the eyes to shape and define them, not the lashes. Eyeshadow is applied on the eyelids and under the brows to add color and dimensions to the eyes.
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