Is it necessary to repeat wudoo’ if one discovers some impermeable substance on the skin or if one cuts one’s nails?

No File Exists
Check below answers in case you are looking for other related questions:
Description of washing the beard during wudoo’ and ghusl
She is pregnant and cannot lift up her feet to wash them when doing wudoo’

No File Exists
Related Answers:
Wiping over adhesive dressings (Band-Aids) when doing wudoo’
Cleaning oneself with toilet paper to remove madhiy; is it necessary to clean oneself (istinja’) with water first in order for wudoo’ to be valid?
It is not obligatory to do wudoo’ after drinking camel’s milk
Description of washing the beard during wudoo’ and ghusl
She is pregnant and cannot lift up her feet to wash them when doing wudoo’

Recommended answers for you:
Correct Hijaab
Ruling on amulets and hanging them up; do amulets ward off the evil eye and hasad (envy)?
Ruling on piercing women’s ears
What is the ruling on a man having intercourse with his pregnant wife?
Al-Malaa’ikah (Angels)