Keeping your body hair under control won’t be difficult with this razor. The three cutting elements are able to cut through hair within a reasonable span of time, though there are other electric razors that can do the job faster.
If your facial hair is already quite long, or if you have coarse hair, then you may have an uncomfortable shaving experience with this one. The razor has a tendency to pull on the hair, and can cause skin irritation.
You may have problems when using this razor with long hair. The foil won’t be able to shave off long hair effectively, and it has a tendency to pull on the hair which can be painful. The M90 is best used as a tool to maintain your already shaved hair when on the go.