Jane Seymour’s beauty products include the Crepe Erase Neck Smoothing Cream. Jane, an ambassador for the brand, swears by the moisturizer for anti-ageing her neck and decolletage. Jane Seymour’s beauty products include the Crepe Erase Neck Smoothing Cream. Jane, an ambassador for the brand, swears by the moisturizer for anti-ageing her neck and decolletage.