Onion juice promotes hair growth by providing nutrition and hydration to hair follicles, and preventing hair loss and breakage with its sulfur content, according to researchers.
Onion juice found effective for alopecia treatment in 2014 research.
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Onion juice strengthens damaged hair and promotes blood flow to hair roots with its micronutrients, antioxidants, and anti-inflammatory properties.
Onion extract's catalase reduces hydrogen peroxide levels in hair roots, which some home remedies claim can reduce grey hair.
Onion juice prevents hair loss by promoting collagen production due to its high sulfur content.
Onions' anti-inflammatory properties relieve an itchy scalp and improve blood flow, enhancing the scalp's moisture.
Onion juice's antimicrobial and antifungal properties help eliminate dandruff, making it a valuable benefit for hair.