This mixture should be applied and allowed to remain on clean skin for 15-20 minutes and then rinse. Benef Le Juve Cream s: This mask is effective for lightening skin blemishes and blemishes as well. Le Juve Cream also helps to remove blackheads when massaging the affected areas in circular motion. 2. How to rinse the face w Le Juve Cream h tomato, yogurt and oatmeal mask for shiny skin: This is a very effective home remedy for the treatment to lighten the skin .blanquear2_opt Ingredients.