Supplement Number 1.1, Supplement Number 1.2, Supplement Number 1.3, Supplement Number 2.1, Supplement Number 2.2

S1.1 Unimodal versus bimodal responsive colloids S1.2 density and mean size evolution with unimodal distribution S1.3 Relaxation of the center-of-mass for unimodal distribution S2.1 density and mean size evolution for osmotic field S2.2 Time evolution of the center-of-mass and mean sigma when considering osmotic field.