Below copied from their website. In fact Mioggi do not specify what kind of "fliter agent". The other ingredients are for skin toning, moisturising etc. So I have no idea whether it's chemical or physical, though the Taiwan website quoted says it's chemical.
Hex Magic UV Veil Solution SPF50 PA+++
Benefits:
Formulated with effective UV filter ingredients, which can simultaneously absorb and reflect broad spectrum of UVA and UVB.
Evens skin tone, inhibits melanin formation and prevents premature aging
Lightweight formula suitable for all skin types
Ingredients:
Western Dock Extract (Rumex Occidentalis Extract)
Natural and powerful skin whitening agent, Western dock directly inhibits the activity of melanin synthesis, prevents the formation of melanin and reduces spots and pigmentations.
UV Filter Agents
Simultaneously absorb and reflect broad spectrum of UVA and UVB, protect skin from damages caused by the sun and UV rays and prevent skin from photo-aging.
Betula alba juice, Camellia sinensis leaf extract, Tocopheryl acetate
Strong anti-oxidizing effect helps against melanin formation and the deposit of pigmentations due to aging of skin
Fructan, Anthemis nobilis flower extract, Dipotassium glycyrrhizate
Soothes and calms skin from external and internal aggressions