Scientists at Lenzing Group have found a way to combine the company's Tencel fibre with naturally-occurring marine chemicals to produce a new product that is said to boost the moisture content and elasticity of the wearer's skin.

Chitosan, which is derived from crab shells, is widely used in cosmetics and the pharmaceutical industry, where it is also used anti-bacterial and skin-enhancing properties. However, because it is water-soluble it can be difficult to combine permanently with textile fibres.

Lenzing researchers have now managed to develop a large-scale production technique that soaks Tencel fibres with the biopolymer, enabling the new Tencel C to be washed up to 50 times without losing its cosmetic properties.