| 摘要 |
PURPOSE: A cosmetic composition which indicates expiration by a color change of a natural dye is provided to confirm expiration of the composition with the naked eye and to ensure convenience. CONSTITUTION: A cosmetic composition which indicates expiration by a color change of a natural dye contains 0.00001-1.0 wt% of the natural dye which prevents oxidation. The natural dye includes a Monascus color, a red cabbage color, a carthamus yellow, anthocyanin dye, green tea dye, cacao dye, or Lithospermum erythrorhizon dye. The cosmetic composition is preservative-free or contains 1.0 wt% or less of preservatives. |
