The advantages of cocoon fibre: cocoon fibre is a natural fibre that is light, soft and smooth. It is honoured with such nicknames as ‘the second skin of human beings’ and ‘the queen of fibre. It's major constituents are purely natural animal protein fibre, and its structure is very similar to human skin, with a similarity rate of 87%. The essential amino acids are contained in the cocoon fibre, thus enabling it to be wind proof, dehumidifing, nerve soothing, nourishing, and human-skin balancing.