Skin Composition with UV Absorber and Inorganic Phosphor

The patent combines organic ultraviolet-ray absorbers with inorganic phosphors (such as calcium manganese aluminate) to create a composite sunscreen composition. This composite approach allows the material to absorb ultraviolet rays more effectively through multiple mechanisms: the organic absorbers provide broad-spectrum absorption while the inorganic phosphors contribute to UV absorption and emit red light that promotes skin health, thereby resolving the insufficiency of conventional single-component absorbers

The patent optimizes the concentration ratio between organic ultraviolet-ray absorbers and inorganic phosphors to achieve enhanced UV absorbability. By carefully controlling the parameters of composition (specific amounts of each component) and physical state (particle size, distribution), the formulation achieves superior UV protection that overcomes the limitations of conventional absorbers

Instead of simply increasing the concentration of organic absorbers, the patent introduces inorganic phosphors as a complementary component. This composite strategy enhances UV absorbability through synergistic effects while maintaining composition balance, avoiding the pitfalls of over-concentration such as skin irritation and formulation instability

The inorganic phosphor component serves multiple functions: it absorbs ultraviolet rays, emits red light that promotes skin health by increasing vasodilator gene expression and improving skin color, and stabilizes the overall formulation. This multi-functionality allows enhanced protection without proportionally increasing composition complexity