... -weitht distribution Polyquaternium-39Product introduction:[Product code] LY PQ-39[Alias] Polyquaternium 39,AA/DADMAC/AM copolymer,AA/DMDAAC/AM copolymer[CAS ... ,25°C)2000-20000(#3@6rpm,25°C)Color(APHA)≤20≤15≤20USE:Hair Care Products : Relaxers, Bleaches, Dyes, Shampoos, Conditioners ... improved stability5. Suggested starting concentration: 1.5% as product Polyquaternium-39