4% Sodium Sulphonate Lignin as an ultraviolet radiation absorbefacient, 1% Saccharin as synergist, 1% twain-20 as extender and 0.2%oKayhon +0. l%Methyl Para Ben as preservative were screened based on biological test.

• 经生物测定选出4%25木质素磺酸钠作为紫外吸收剂，1%25糖精作为增效剂，1%25吐温-20作为展着剂，0.；2‰凯松+0