The optical brighteners market is projected to increase at a CAGR of 5.03% to reach a market size of US$947,359.728 million in 2025 from US$705,723.739 million in 2019. The quick extension of the material, synthetic, and paper industry is likewise expected to fuel the market interest in the estimated time frame. The optical brighteners market in the APAC area is relied upon to observe the fastest development in the conjecture time frame.