The invention discloses a children sunscreen mousse composition and a preparation method thereof.The children sunscreen mousse composition comprises agent materials and a
propellant, the agent materials comprise an A-phase substance, a B-phase substance, a C-phase substance, a D-phase substance and an E-phase substance, the A-phase substance comprises a first
solvent, a chelating agent, a
thickening agent, p-hydroxyacetophenone and a
humectant, and the
thickening agent comprises
xanthan gum; the B-phase substance comprises
grease, a first sun-screening agent, a sun-screening synergist, an emulsifier, an
antioxidant and a film-forming agent; the emulsifying agent is prepared from
potassium cetyl
phosphate and polyglycerol-10 laurate; the C-phase substance comprises a second
solvent and a second sun-screening agent, and the second sun-screening agent comprises at least one of p-
xylylene dichorsulfonic acid and
methylene bis-benzotriazolyl tetramethyl butyl
phenol; the D-phase substance comprises a
preservative, a
skin protecting agent and a filling agent; and the E-phase substance comprises a pH
regulator and a third
solvent. The sunscreen mousse composition for children has better mildness,
sunscreen effect and stability, and also can provide a soft and dense mousse texture.