RC Blundstone Renovating Cream A shoe care essential. Rustic Rustic Cream (50ml) is a non-colour base that has been formulated specifically for this type of leather. It is highly recommended for use in the early stages of wear to assist in maintaining the leather and colour for a longer period. Always test the product in an inconspicuous area as it may change the appearance of certain leathers. A shoe care essential. Brown A heavily pigmented cream (50ml) that is designed to help maintain the colour and finish of your favourite leather footwear. Always test the product in an inconspicuous area as it may change the appearance of certain leathers. A shoe care essential. Black A heavily pigmented cream (50ml) that is designed to help maintain the colour and finish of your favourite leather footwear. Always test the product in an inconspicuous area as it may change the appearance of certain leathers. A shoe care essential.