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Onion Juice: An Effective Home Remedy for Combating Alopecia.
Abstract
Alopecia is the loss of hair and can be caused by different reasons, including damage to the hair shaft or follicles. Fungal infections can also cause hair loss. There are two main types of alopecia. Alopecia areata occurs when the body’s immune system attacks hair follicles and causes hair to fall out. Androgenetic alopecia, on the other hand, is an inherited form of hair loss. Onion (Allium cepa) recognised with healing qualities include their antibacterial, cleansing, stimulating, and nourishing powers. Onions contain a number of important minerals and vitamins, such as vitamins C and B6, calcium, magnesium, potassium, and germanium. Onion also has high sulphur content. Sulphur is a mineral present in every cell in our body, with its greatest concentration in hair, skin and nails. It has often been called the “beauty mineral” and the “healing mineral” because of its ability to promote circulation and decrease inflammation. These qualities also lend to the theory that adequate amounts of sulphur can jump-start hair growth in people with deficiencies. High amounts of sulphur in onions make them particularly effective in regenerating hair follicles and stimulating hair regrowth. In addition, naturally-concentrated sulphur compounds have been proven to show additional hair-restoring.
Onion, (Allium cepa L.), is one of the most consumed and grown vegetable crops in the world. Onion bulb with its characteristic flavor is the third most essential horticultural spice with a substantial commercial value. Apart from its culinary virtues, A. cepa is also used traditionally for its medicinal virtues in a plethora of indigenous cultures. Several publications have been produced in an endeavour to validate such traditional claims. Nonetheless, there is still a dearth of up-to-date, detailed compilation, and critical analysis of the traditional and ethnopharmacological propensities of A. cepa. The present review, therefore, aims to systematically review published literature on the traditional and pharmacological uses, and phytochemical composition of A. cepa. A. cepa was found to possess a panoply of bioactive compounds and numerous pharmacological properties, including antimicrobial, antioxidant, analgesic, anti-inflammatory, anti-diabetic, hypolipidemic, anti-hypertensive, and immunoprotective effects. Although a large number of in vitro and in vivo studies have been conducted, several limitations and research gaps have been identified which need to be addressed in future studies.
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