A hairstyling method comprising: i. providing an aerosol hairspray product comprising: a pressurisable container comprising a reservoir for storing a hairstyling formulation and a liquefied gas propellant, and a spraying device attached to the container; wherein the hairstyling formulation comprises: a) from 30% to 60% water, by total weight of the hairstyling formulation and propellant; b) from 4.0% to 15% hairstyling polymer, by total weight of the hairstyling formulation and propellant, wherein the hairstyling polymer is water-soluble; c) less than 2% alcohol, by total weight of the hairstyling formulation and propellant, preferably free of alcohol; and wherein the hairstyling formulation without propellant has a kinematic viscosity of 6 cSt or less, wherein the viscosity is measured at 20°C +/- 0.1°C; ii. causing the product to spray at a delivery rate, wherein the delivery rate is from 0.28 g/sec to 0.45 g/sec; and wherein an ejected composition is sprayed, wherein the ejected composition comprises particles having an average particle size distribution of from 40 micron to 100 micron; and wherein the product comprises a spraying device attached to the container for dispensing the hairstyling formulation from the reservoir of the container, wherein the spraying device comprises a valve and a nozzle, wherein the valve comprises a valve body, a stem and a spring means, and wherein the valve body houses an insert, and wherein the insert comprises an insert orifice and at least two channels (110a, 110b), wherein the channels (110a, 110b) are tangentially disposed about the insert orifice, and wherein the valve body comprises at least two vapour taps (211a, 211b), and wherein the insert orifice is capable of being in liquid communication with the hairstyling formulation in the reservoir. i. providing an aerosol hairspray product comprising: a pressurisable container comprising a reservoir for storing a hairstyling formulation and a liquefied gas propellant, and a spraying device attached to the container; wherein the hairstyling formulation comprises: a) from 30% to 60% water, by total weight of the hairstyling formulation and propellant; b) from 4.0% to 15% hairstyling polymer, by total weight of the hairstyling formulation and propellant, wherein the hairstyling polymer is water-soluble; c) less than 2% alcohol, by total weight of the hairstyling formulation and propellant, preferably free of alcohol; and wherein the hairstyling formulation without propellant has a kinematic viscosity of 6 cSt or less, wherein the viscosity is measured at 20°C +/- 0.1°C; a) from 30% to 60% water, by total weight of the hairstyling formulation and propellant; b) from 4.0% to 15% hairstyling polymer, by total weight of the hairstyling formulation and propellant, wherein the hairstyling polymer is water-soluble; c) less than 2% alcohol, by total weight of the hairstyling formulation and propellant, preferably free of alcohol; ii. causing the product to spray at a delivery rate, wherein the delivery rate is from 0.28 g/sec to 0.45 g/sec; and wherein an ejected composition is sprayed, wherein the ejected composition comprises particles having an average particle size distribution of from 40 micron to 100 micron; and