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3 different things are basically explained in that movie. One is Replicel/Shiseido other one is Riken (Dr. Tsuji) and the third is Dr. Ohyama (iPS cells).
Dr. Tsuji is not making use of iPS cells.
If you would look at it. Shiseido/Replicel would fall under class 3 regenerative medicine, Dr. Tsuji under class 2 regenerative medicine and iPS cells under class 1 regenerative medicine in Japan regulatory environment. See picture below.
The thing is that epithelial stem cells reside in your hair follicle bulge and mesenchymal stem cells reside in the dermal papilla. Dr. Tsuji is going to extract those and multiple them.