Dimitrios KambourisGetty Images Brooke Shields shared the product she swears by to create thick and fuller-looking eyebrows. She loves using the Grande Cosmetics GrandeLASH-MD Lash Enhancing Serum, which is infused with nourishing ingredients to promote thicker and fuller eyelashes.The lash serum has over 17,000 5-star ratings on Amazon. Brooke Shields has been a beauty mogul…