Shaving with clippers after SMP procedure?

If you over do anything it can look bad.    Some may like the helmut look but if this is a big concern for you always discuss this with your doctor.  A touch up procedure in the right hands should not give you helmut look.

Each doctor or clinic has their own post SMP instructions.  There are no specific brand of moisturizers that are better than others.  Always check with your doctor.

An FUE is treated just like a regular hair transplant with regard to the recipient area, but the donor area has open wounds which require daily washing with soap and water. Within 3 days of surgery, you can resume full activities, heavy exercises if you wish. The recipient area requires daily...

Going to sleep and laying on the scar treated wit scalp micropigmentation will not impact the results of a well done job. See web site below

Minoxidil contains chemicals that may affect your SMP. Contact your doctor as each provider has difference of opinions.

Scalp Micropigmentation can be used to disguise patchy hair loss from scarring alopecia.  Keep in mind that SMP is basically a tattoo so if you keep your hair very short, the area where there is no hair may show.