One of the factors leading to hair loss and yellowing of hair is the presence of acidic toxins in the blood, which results from excessive physical and mental fatigue. Long-term overconsumption of pure sugars and fatty foods can also lead to an excess of acidic toxins in the blood. Acidic substances found in liver, meat, and similar foods can easily cause an overabundance of acidic toxins in the blood as well, so it's best to consume these foods sparingly. Additionally, it's important to regularly supplement the following substances: