One absorbent article includes a liquid-permeable top sheet, a liquid-impermeable back sheet and an absorbent body between liquid-permeable top sheet and liquid-impermeable back sheet. Top sheet shows a color difference in the range of 37-80, the skin contact surface test based on mono- b* color system of L* and the top sheet from a drop measured. In addition, top sheet has one color-reducing agent, have 0.00-0.35 IOB is not higher than 45 degrees Celsius and a water solubility 0.00-0.A fusing points of 05 g in 100 g water in 25 degrees Celsius. Absorbent article is configured to allow a user visually to confirm the reduction in the residual of the highly viscous menstrual blood on top sheet after its absorption, therefore provides for user and confirms again.
