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Last updated January 31, 2026
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Optical brightening agent concentration: UnileverRecent Research Landscape

Substrate yellowing reduces perceived product quality and market value. Precise control of optical brightening agent loading restores high-whiteness aesthetics through ultraviolet-to-blue light conversion.

What technical problems is Unilever addressing in Optical brightening agent concentration?

Fabric yellowing and dullness

(15)evidences

Standard detergents fail to effectively break down complex protein-based soils and maintain brightness during the wash cycle. Improving cleaning efficiency prevents permanent textile discoloration and fabric aging.

Fabric yellowing and discoloration

(5)evidences

Repeated laundering and environmental exposure lead to the loss of fabric whiteness and the accumulation of yellow hues. Restoring optical brightness and neutralizing yellowing through specific dye and agent concentrations maintains the aesthetic longevity of household textiles.