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. **

The rental agreement is temporary, as it typically outlines the terms and conditions for a specific period of time, such as a month-to-month lease or a fixed-term lease for a certain number of years. Once the agreed-upon time period is over, the rental agreement may be renewed or terminated based on the mutual agreement of both the landlord and tenant. **

A permanent contract is a type of employment agreement that does not have a predetermined end date. It typically provides job security and stability for the employee, as long as they continue to meet the requirements of the position. Permanent contracts often include benefits such as paid time off, health insurance, and retirement plans. Employees under a permanent contract are entitled to certain legal protections, such as notice periods for termination and the right to challenge unfair dismissal. **

A permanent contract can be terminated through various means, including resignation by the employee, termination by the employer for reasons such as poor performance or misconduct, mutual agreement between the employer and employee, or in some cases, through redundancy. It is important for both the employer and employee to follow the proper legal procedures and requirements when terminating a permanent contract, as failure to do so could result in legal consequences. Additionally, some jurisdictions may have specific regulations and protections in place for permanent employees, so it is important to be aware of these when considering termination. **

It is difficult to predict with certainty whether the social medical service will be permanent. Factors such as government policies, funding, public support, and societal needs will all play a role in determining the longevity of the service. However, if there is a continued demand for accessible and affordable healthcare, as well as a commitment from policymakers to prioritize social medical services, there is a possibility that it could become a permanent fixture in the healthcare system. **

A freelance worker is self-employed and works on a project basis for various clients, while a permanent position is a full-time, long-term employment with a single employer. Freelancers have more flexibility in choosing their projects and work hours, while permanent employees typically have a set schedule and work on ongoing tasks for their employer. Freelancers are responsible for their own taxes, benefits, and finding their own work, while permanent employees receive benefits and stability from their employer. **