- The Nude Brown eco-refill. For those who love to enhance the natural color of their lips with a dark nude. An ultra-pigmented and 97% natural origin ingredients formula enriched with a potent anti-aging algae from St Suliac in Brittany. Our lipstick formula is vegan, cruelty-free and without beeswax. If you already own a fine leather or vegan case, you can order the color refill only.