/give @p minecraft:player_head[
minecraft:profile={
properties: [{
name: "textures",
value: "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHBzOi8vdGV4dHVyZXMubWluZWNyYWZ0Lm5ldC90ZXh0dXJlL3VuZGVmaW5lZCJ9fX0="
}]
}
]
fixed my skin :)
A character with a skull and crossbones on their head, wearing a black shirt and shorts, stands in a dark room with a white window in the background.