Some natural beauty brands use onion oil in hair and skin products.

Helps fight signs of aging and improves skin texture.

Warnings

Onion juice is potent and can irritate sensitive skin.

Always do a patch test before applying to the face.

Not a substitute for sun protection or medical-grade skincare.

The Japanese Angle

While onions aren’t exclusive to Japan, their dietary habits—which often include anti-inflammatory, antioxidant-rich foods—are key to longevity and youthful appearance. The secret isn’t onions alone, but a holistic lifestyle: balanced nutrition, minimal stress, hydration, gentle skincare, and consistent sun protection