what is vegan skin look like?

for example, some companies experiment with publications of plant origin, like pineapple leaves (pinatex), mushrooms (skin with mycelium), https://www.oyster.com/es/articles/midtown-momofuku-madness-at-new-yorks-chambers-hotel-and-where-to-eat-when-you-cant-get-in/ or cork bark (cork leather), for production of sustainable and eco-friendly alternatives to traditional leather.