[NEW CELEB TREND ONION HAIR!] Cardi B Says She Washes Her Hair with Onion Water – Onion Juice Proven To Promote Hair Health

[SHAPE] Cardi B Says She Washes Her Hair with Onion Water. Cardi B just shared the secret to her sleek, shiny hair. It's not an expensive leave-in conditioner or fancy salon treatment. No, it's onions. "My last two washes, I been boiling onions and using the water to wash my hair," she explains in the caption of a recent Instagram post featuring a photo and video of her hair. First, there's a photo of her long hair from the back — supposedly an image of what her hair looked like before using her DIY treatment. Then, there's a video of her showing off smooth strands that look healthy and strong with noticeable shine, possibly thanks to onion-infused water.

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[MARTHASTEWART] From scalp serums to hair masks and prescription medications, numerous hair loss treatments promise to boost hair growth. But did you know that you might already have a natural remedy for thinning strands right in your kitchen? Believe it or not, onions aren't just an ingredient for tossing into salads and sandwiches. This vegetable—particularly its juice—might actually make hair fuller. Onion juice, especially when made at home, is thought to help decrease hair loss by rejuvenating your scalp cells and hair follicles. While this antioxidant-rich vegetable is already known to support bone health, heart health, and gut health, its benefits can potentially trickle into the beauty space, too.