Composition for increasing sunscreen value of sunscreen emulsion and preparation method of composition

Abstract

The invention discloses a composition for increasing the sunscreen value of a sunscreen emulsion and a preparation method of the composition. Water, octyl polymethylsiloxane, ethylhexyl triazinone, diethylaminohydroxybenzoyl hexyl benzoate, diethylhexyloxyphenol methoxyphenyl triazine, ethylhexyl methoxycinnamate, octocrilene, Tween 60 or tribehenin PEG-20 ester or polyglycerol-3 diisostearate andglyceryl stearate citrate combined components are adopted. A prepared emulsion preform in a sub-micro stable state is transferred into an ultrasonic cell disruptor for treatment, a treated water phase preform phase is added, homogenizing and uniform stirring are carried out to obtain a target product. According to the emulsion prepared by the method, the usage amount of an emulsifier and a sunscreen agent can be reduced, the cost is saved, and the influence of large usage amount of the raw materials on skin, such as irritation, is reduced; The prepared emulsion is smaller in liquid drop and more uniform in sunscreen component distribution, the sunscreen value of the sunscreen emulsion is increased, the skin feeling is fresher, and meanwhile, the stability is better.

Description

technical field [0001] The invention relates to the technical field of daily cosmetics, in particular to a composition for improving the sun protection value of sunscreen lotion and a preparation method thereof. [0002] Background of the invention [0003] In recent years, ultraviolet radiation has been increasing with the destruction of the ozone layer, and excessive sun exposure will cause great harm to human health, causing skin redness, sunburn, and even skin cancer. Ultraviolet radiation is the culprit of skin photoaging. Applying sunscreen products can prevent the damage of ultraviolet radiation to the human body to a certain extent. However, in order to obtain a higher SPF value to resist ultraviolet rays, sunscreen products often need to add a large amount of sunscreen and emulsifier, which will not only bring safety hazards, but also cause a burden of cost. At the same time, the addition of too many sunscreens and emulsifiers will also cause the overall formula to ...

AI Technical Summary

Problems solved by technology

However, sunscreen products often need to add a large amount of sunscreen and emulsifier in order to obtain a higher SPF value to resist ultraviolet rays, which will not only bring safety hazards, but also cause a burden of cost

At the same time, the addition of too many sunscreens and emulsifiers will also cause the overall formula to be greasy and thick, and the smearing feeling is not good, which cannot meet consumers' consumption needs for cosmetics

[0004] With the rapid development of cosmetic technology and the improvement of consumers' awareness of multiple preferences for products, various sunscreen systems have appeared on the market, although ordinary sunscreen emulsions can be stabilized by adding more emulsifiers and sunscreens Emulsion, but adding more emulsifiers and sunscreens will increase the overall formula cost of the product, increase the irritation of the product, and the particle size distribution is still wide, but the prefabricated liquid particles of the emulsion treated by the ultrasonic cell disruptor The diameter is smaller, and the structure obtained after treatment significantly reduces the Van der Waals force between the dispersed oil droplets that cause aggregation, thereby reducing the tendency of droplets to aggregate, so as to improve the stability of the emulsified system, and also has affinity with the stratum corneum of the skin Good performance, so that the moisture retention and sustained release of this system are stronger than the emulsification system obtained by ordinary emulsification

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