This study selected 11 people for the collagen-intake group and 11 people for the control group, which has general characteristics similar to the experimental group, targeting women in their 30∼40s who start to be accelerated the progress in aging. The aim was to examine the effect of improvement in facial-skin dermis, and pigmentation, by allowing the experimental group to take collagen, which was extracted from pork skin, in an ordinary meal by 3g every day for 12 weeks. The results are as follows. All the measurement regions such as the forehead(p=0.001), the left cheek(p=0.016), the right cheek(p=0.001), and chin(p=0.006) could be confirmed that the average distance in the dermis was increased to the significant level in the experimental group. On the other hand, the average distance in the dermis was indicated to be reduced or to have no change in the control group, thereby having been able to know that the collagen intake has effect on the dermis. As a result of analyzing the average variation in the melanin index and the skin color, the experimental group wasn’t significant, but showed the tendency of being reduced the melanin index after experiment more than before experiment. Even the skin color was indicated to get brighter. However, the control group wasn’t significant level, but was indicated that the skin color got darker or a little brighter, rather than before experiment. Thus, as for all the measurement regions, the experimental group showed the more improved outcome in the pigmentation level than the control group.