Water-in-oil phase inversion emulsion spray and preparation method thereof

Abstract

The invention discloses a water-in-oil phase inversion emulsion spray and a preparation method thereof, and aims to provide a water-in-oil phase inversion emulsion spray which has the characteristicsof light skin feeling, water resistance, sweat resistance, skin nourishing, uniform atomization coverage and high stability. The technical scheme of the invention is as follows: the emulsion spray iscomposed of the following components in percentage by mass. 3.0-6.0% of surface active agents; 4.0-8.0 % of isopropyl myristate; 0.5-1.5% of petrolatum; 1.0-5.0% of polydimethylsiloxane; 0.1-0.3% of tocopherol; 0.2-0.6% of preservatives, 4.5-11.0% of humectants, 0.03-0.15% of carbomer, 0.2-1.0% of sodium magnesium lithium silicate, 0.5-1.5% of stabilizers, 0.02-0.1% of a chelating agent, 0.1-0.7%of a pH regulator, 0.01-0.5% of an odorant and the balance of deionized water, totaling 100%. The emulsion spray belongs to the technical field of cosmetics.

Description

technical field [0001] The invention discloses a spray, specifically a water-in-oil phase inversion emulsion spray, and also discloses a preparation method of the spray, which belongs to the technical field of cosmetics. Background technique [0002] With the fast-paced lifestyle gradually forming a normal life, more and more people are pursuing products that are readily available and very convenient, and sprays are becoming more and more popular among consumers because of their ease of use. At present, there are two types of sprays on the market, one is pure water / pure oil formulation, and the other is emulsion system. However, some spray products currently have some shortcomings: moist and light, the waterproof effect is poor, and waterproof and waterproof Sweating, the skin feels thick, greasy, and the experience is poor; or the atomization effect is poor, there are drips or lines, and it cannot be well evenly covered on the skin. [0003] Emulsion is a thermodynamically...

AI Technical Summary

Problems solved by technology

At present, there are two types of sprays on the market, one is pure water / pure oil formulation, and the other is emulsion system, but some spray products currently have some shortcomings: moist and light, the waterproof effect is poor, and waterproof Sweating, the skin feels thick, greasy, and the experience is poor; or the atomization effect is poor, there are drips or lines, and it cannot be evenly covered on the skin

O / W type emulsion, the continuous phase is the water phase, which is highly hydrophilic. After being applied to the skin, the water can easily penetrate the skin directly, and the oil can also be accepted by the skin. The skin feels refreshing and not very greasy, but it is waterproof, The anti-perspiration performance is much worse than that of W / O emulsion, and it only pays attention to the infiltration and absorption of water and other substances, and only temporarily moisturizes the skin. After a long time, it will take away the original moisture of the skin and aggravate the dryness of the skin. The W / O type, the outer layer is an oil film, which has better skin-friendly properties and can improve the effect of water locking and replenishing water, but the skin feels too thick and greasy, and the experience is poor

[0004] In addition, during the storage and placement process of the product, due to the van der Waals force and Brownian motion of the O / W emulsion, the water-oil two-phase droplets are undergoing molecular thermal motion all the time, and the particles collide and coalesce with each other. Obviously, it leads to phenomena such as oiling and delamination, which also directly affects the stability of O / W emulsions; and for low-viscosity W / O emulsions, due to insufficient interfacial film strength and low inorganic electrolyte content in the internal phase, etc. problems, leading to common problems such as coagulation, Austenitic ripening, and precipitation during the placement process

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