Broad, spectrum sunscreen composition comprising 2-hydroxy sulfobetaine of cinnamidoalkyl amine

A technology of hydroxysulfobeet and composition, which is applied in the direction of skin care preparations, cosmetics, cosmetic preparations, etc., and can solve the problems of reducing UVA protection and system instability

Inactive Publication Date: 2013-02-27
GALAXY SURFACTANTS LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, in contrast, ethylhexyl methoxycinnamate destabilizes the system and reduces UVA protection

Method used

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  • Broad, spectrum sunscreen composition comprising 2-hydroxy sulfobetaine of cinnamidoalkyl amine
  • Broad, spectrum sunscreen composition comprising 2-hydroxy sulfobetaine of cinnamidoalkyl amine
  • Broad, spectrum sunscreen composition comprising 2-hydroxy sulfobetaine of cinnamidoalkyl amine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-4

[0102] sunscreen

[0103] A sunscreen was prepared using Galaxy SunBeat, and the efficiency and effectiveness of Galaxy SunBeat was compared with ethylhexyl methoxycinnamate and phenylbenzimidazole sulfonic acid. Example 1 is formulated with octocrylene and avobenzone, example 2 is formulated with Galaxy SunBeat, octocrylene and avobenzone, and example 3 is formulated with phenylbenzimidazole sulfonic acid and octocrylene and Avobenzone formulation, and Example 4 was formulated using GalSORB OMC (ethylhexyl methoxycinnamate) with octocrylene and avobenzone.

[0104]

[0105] The resulting sunscreens were tested for UVA PF, critical wavelength (CW), using an Optometrics SPF meter (Model 290S, equipped with xenon lamp).

[0106] program :

[0107] Transpore strips (ready to use in vitro substrates supplied by Optometrics, USA), in vitro skin substrates were used to test sunscreen formulations. To prepare the slides for testing, the sunscreen was removed in a syringe an...

Embodiment 11

[0126] Oil-in-water (o / w) sunscreen

[0127]

[0128] Caprylic / Capric Triglycerides

Embodiment 12

[0130] oil-in-water sunscreen

[0131]

[0132] Disodium phenyl dibenzimidazole tetrasulfonate

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Abstract

A photostable cosmetic composition for protection against UVA and UVB radiations of wavelengths between 280 and 400 nm, which comprises, in a cosmetically acceptable vehicle: (i) at least one UVA-sunscreen agents absorbing predominantly in the UVA-range; (ii) at least one UVB-sunscreen agents absorbing predominantly in the UVB-range; (iii) at least 0.1% by weight of a 2-hydroxy sulfobetaine of cinnamidoalkyl amine compound.

Description

technical field [0001] The present invention relates to sunscreen compositions with high UV-A protection. In particular, the present invention relates to sunscreen compositions containing 2-hydroxy sulfobetaine of cinnamidoalkyl amine compound having higher UV-A protection and enhanced Photostability. Background technique [0002] Ultraviolet radiation (light) having a wavelength (UV-B) of about 280nm to about 320nm is well known to be harmful to human skin, causing sunburn, which is harmful to a well-developed sun tan, and causing serious damage, such as skin cancer. For these reasons, as well as for aesthetic reasons, there is a continuing need for a means of controlling this natural tan, so that the color of the skin can be controlled. The UV-B radiation must leave the skin unaffected. It is also important to protect against radiation in the region between about 320 nm and about 400 nm (UV-A region), since this radiation can also cause damage, such as photoaging and w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/40A61K8/35A61Q17/04A61K8/46
CPCA61K8/35A61K8/466A61Q17/04A61K8/40
Inventor A·H·亚瓦勒V·A·尤姆德A·K·德赛
Owner GALAXY SURFACTANTS LTD
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