White speck neps cause significant financial losses to the textile industry and the following studies look at several factors that may affect white specks.

Neps are clusters of fibres or entanglements of fibres. They are classified as biological neps, mechanical neps and white specks.

Neps cause significant financial losses to the textile industry. This paper defines different types of cotton neps, their sources and measurements, and the current state of knowledge about research on neps.