You can wash them off using a liquid that dissolves it, or you can use something abrasive to take the upper, mostly dead layer of skin off that is stained.
You can wash them off using a liquid that dissolves it, or you can use something abrasive to take the upper, mostly dead layer of skin off that is stained.
You can wash them off using a liquid that dissolves it, or you can use something abrasive to take the upper, mostly dead layer of skin off that is stained.