Based on the description provided, your natural hair color is likely ash blonde. Ash blonde hair typically has cool undertones with hints of gray or silver, while dirty blonde hair tends to have warmer tones with a mix of brown and blonde shades. If your hair has a cooler, more muted tone, it is more likely to be ash blonde. **

As an AI language model, I don't have personal experiences, but I can provide information. Silver shampoo is often used to neutralize yellow or brassy tones in blonde or gray hair. It can be beneficial for dirty blonde hair to help maintain a cool, ashy tone. When using silver shampoo, it's important to follow the instructions and not leave it on for too long, as it can potentially tint the hair purple if overused. It's always best to do a patch test and consult with a professional hairstylist for personalized advice. **

To change hair color from dirty blonde to black, one can use a permanent hair dye in the desired shade of black. It is important to choose a high-quality hair dye and follow the instructions carefully to achieve the best results. It may be necessary to bleach the hair first if it is dark blonde or has previous color treatments. It is recommended to seek the help of a professional hair colorist for a more precise and even result. **

Dirty white fabric shoes may still appear dirty after washing if the stains are deep-seated or if the washing process was not thorough enough. It is important to use the right cleaning products and techniques to effectively remove dirt and stains from fabric shoes. Additionally, allowing the shoes to air dry completely after washing can help prevent any remaining dirt from becoming more noticeable. **

Pork is not inherently dirty. However, improper handling and cooking of pork can lead to contamination with harmful bacteria such as salmonella and E. coli. It is important to handle and cook pork properly to ensure that it is safe to eat. Additionally, some religious and cultural beliefs may consider pork to be unclean, but this is a matter of personal or cultural perspective rather than a scientific fact. **

DHL, like many other logistics and shipping companies, has faced criticism for its environmental impact and carbon emissions. However, DHL has also taken steps to reduce its carbon footprint and invest in sustainable practices, such as using alternative fuels and electric vehicles. While DHL may have had a negative impact on the environment in the past, it is actively working towards becoming more environmentally friendly and reducing its overall impact. **

Anime as a medium is not inherently dirty, but like any form of entertainment, there are anime series and movies that contain mature or explicit content. Some anime may feature violence, sexual themes, or adult language, so it's important for viewers to be aware of the content of the specific anime they are watching. However, there are also many anime series that are suitable for all ages and contain wholesome, family-friendly content. Ultimately, the "dirtiness" of anime depends on the specific series or movie being watched. **

To mix permanent and semi-permanent hair colors, you can first apply the permanent color to your roots to cover any gray hairs or achieve a specific base color. Then, you can apply the semi-permanent color to the rest of your hair to add depth, dimension, or a different tone. Make sure to choose colors that are compatible and complementary to avoid any unwanted results. It's always a good idea to do a strand test before applying the colors to your entire head to ensure you achieve the desired outcome. **