Here's why:
* Unpredictable and likely damaging results: Gravy browning contains ingredients like caramel coloring, salt, sugar, and often preservatives. These ingredients are not designed for hair and can cause:
* Staining: While it might darken your hair, the color will likely be uneven, muddy, and very difficult to remove. It may also stain your scalp.
* Damage: The salt, sugar, and other chemicals can dry out and damage your already fragile, bleached hair, making it brittle and prone to breakage.
* Scalp irritation: The ingredients can irritate your scalp, causing itching, redness, or even allergic reactions.
* Professional color is formulated for hair: Hair dye contains specific chemicals (developers, dyes, etc.) designed to deposit color safely and effectively into the hair shaft.
* Difficult to remove: Once gravy browning is on your hair, it can be incredibly difficult to remove completely. You might need multiple rounds of color stripping, which will further damage your hair.
If you want to darken your bleached hair, here are safe and effective options:
* Use a toner: Toners are designed to neutralize unwanted tones in bleached hair (like yellow or orange) and can also deposit a small amount of color. Choose a toner that's slightly darker than your desired shade.
* Use a demi-permanent or semi-permanent hair dye: These types of dyes deposit color without lifting the hair's cuticle, making them less damaging than permanent dyes. Choose a shade that's within a few shades of your current color.
* Consult a professional hair stylist: The safest and most reliable option is to visit a professional hair stylist. They can assess your hair's condition and recommend the best coloring method and shade for your desired look.
In short, avoid using gravy browning (or any other food product) on your hair. It's likely to damage your hair and give you an undesirable, difficult-to-fix result. Use hair products specifically designed for coloring hair.