Polyquaternium-39, a water-soluble polymer, is commonly used and personal care products, particularly those designed for hair care. Like other polyquaternium compounds, provides numerous benefits for both the skin and hair.
Polyquaternium-39, a water-soluble polymer, is commonly used and personal care products, particularly those designed for hair care. Like other polyquaternium compounds, provides numerous benefits for both the skin and hair.
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