The secret to Cardi B's luscious hair? Boiled onion water! Check out her haircare routine

Cardi B‘s unorthodox haircare secret will fill your eyes with tears.

The 29-year-old rapper took to Instagram Friday to reveal the secret to her luscious hair. The Bodak Yellow singer revealed that she lathers her hair with boiled onion water to get that super shine and bounce in her hair.

“My last 2 washes I been boiling onions and using the water to wash my hair,” she captioned a picture of her natural hair from behind. Check out the post below!

“I used to do this 6 years ago when I started my healthy hair growth journey,” the “I Like It” artist said.

“I stopped cause I got really lazy. Its odorless and I notice that it’s been giving a shine to my hair.”

The comment section was full of supportive messages from fans who wanted to try the pungent practice for themselves.

“Let me put a pot of onions on rn,” one user wrote.