Secondary shower thought, an image of Captain Caveman should be the image representing humans on the Wikipedia page.
Tertiary shower thought, we probably started wearing clothes because our own hair used to be our clothes, and we wanted to replace the hair we cut off when we started grooming.
IIRC some hairs have maximum length limit and some will keep growing, generally based on position on body. Eye-lashes and most body hair being of the former, while skull and beard hair being of the latter.
You can see pictures online of people who’ve let their head or beard hair grow for years, and the results can be pretty amazing. Ditto finger nails.
Examples:
https://www.google.com/search?q=person+who+let+their+fingernails+grow+for+years+and+years&udm=2