I'm pretty sure that he does, seeing that his own hair was getting decidedly thin about 15 years ago. His natural hair was quite fluffy and wild. The toupee that he wears always looks pretty much the same. Well, he's around 60 years old now and looks otherwise like a young guy. It's also quite likely that he's had a bit of surgery too.
Yes he does wear a toupee, and his son Skip is bald.
No
yes
Michael Landon did not wear a toupee. He had a full head of his own natural hair.
yes
Yes.
Yes
Yes
yes
Yes
Yes
Yes