| 摘要 |
PROBLEM TO BE SOLVED: To provide a dentifrice containing ascorbic acids and having stable apparent color. SOLUTION: To dentifrice comprises (A) ascorbic acids and (B) a water-soluble or oil-soluble colorant and has a light transmittance of 2-95% at wavelength of 800 nm (cell length: 1 cm). COPYRIGHT: (C)2008,JPO&INPIT
|
