Meaning of the word "you can put lipstick on a pig, but it's still a pig" in English

What does "you can put lipstick on a pig, but it's still a pig" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

you can put lipstick on a pig, but it's still a pig

US /ju kæn pʊt ˈlɪp.stɪk ɑn ə pɪɡ bʌt ɪts stɪl ə pɪɡ/
UK /ju kæn pʊt ˈlɪp.stɪk ɒn ə pɪɡ bʌt ɪts stɪl ə pɪɡ/
"you can put lipstick on a pig, but it's still a pig" picture

Idiom

making superficial changes to something does not change its underlying nature or quality

Example:
The company tried to rebrand their failing product, but you can put lipstick on a pig, but it's still a pig.
Adding a new coat of paint to this crumbling house is useless; you can put lipstick on a pig, but it's still a pig.