The cream shadows are applied with a sponge or your fingertips. They usually come in shades of pearls, are long lasting and water resistant and wrinkles. The downside is it takes longer to dry and adhere to the skin, and are not recommended on oily skin.
Keep in mind that deep or intense shades are ideal for contouring and giving context to the eyes, while light colors are very pale or appropriate to give effect of light.
In general, use a pair of shadows and another one for shading light to highlight. Place the darkest in the crease area and the lightest shade under the eyebrow. Vanishes with a brush applying slight traces upward and outward.
If more than forty, and many wrinkles around the eyes, does not agree to not use pearly accentuate wrinkles.