It is possible to naturally darken your hair without any harsh chemicals or going to the salon. These are some methods that you can use at home. They are all inexpensive and should cost no more than ten dollars each. They are also all-natural, so the damage done to your hair is minimal in comparison with using harsh chemicals. Coffee You can darken your hair easily with coffee. Here's how: Brew some strong coffee. Let it cool down. Pour the coffee into a bowl. In the shower, wash your hair with it a few times. Rinse it out. Wash your hair with your regular shampoo and conditioner. Towel dry your hair. This is pretty simple and you should see results quickly. The coffee should stain your hair. This only makes your hair a few shades darker so if you are trying to make a drastic change, you are going to need to repeat the process a few times. Coffee can be used to darken all shades of hair but the best results are seen in light and medium shades of brown. Black Tea Black tea also has a staining effect on hair. Here's how to use it: Brew a pot of some strong black tea. Let it cool down. Put it into a bowl. Rinse the black tea into your hair a few times. Rinse one last time, waiting ten to fifteen minutes before rinsing out completely. Shampoo and condition your hair. Towel dry your hair. This is a great way to darken your hair a few shades. This method does fade quickly, so for best results try repeating once a week. Black Walnuts Using black walnuts works really well. This is a great homemade coloring technique, even for blondes. Here's how to do it: Crack walnuts. Put all the walnuts (and shells) into a pot of water. Boil the water and walnuts. Reduce heat and wait for it to cool. Pour the liquid into a strainer. Separate the walnuts from the liquid. Toss the walnuts. Take the leftover liquid and apply it to your hair. Leave it in for thirty minutes. Rinse out hair in the sink. Shampoo and conditioner your hair as usual. Towel dry hair. This technique is messier than others but is very effective. Using black walnuts can darken your hair color drastically. Cocoa Cocoa is another wonderful all-natural product that can be used to make your hair darker. Here's how to use it: Take a bottle of shampoo. Remove half of the shampoo from the bottle. Fill the rest of the bottle with cocoa. Shake up the bottle so it is mixed well. Use shampoo as often as usual. Cocoa will subtly darken your hair. The cocoa will bring out the natural deeper tones in your hair. This may not be the best method for those with very light hair color. This is great for light to medium brown hair colors. This method smells really good, making it one of my favorite ones to use. Mustard Seed Oil Here's how to use mustard seed oil: Put mustard seed oil in your hair. Let your hair dry overnight. Rinse it out in the morning. This is a great way to darken your hair gradually over time. Results will show slowly, but no damage is done to your hair. Mustard seed oil does not smell that great so this is best done in the evenings. This works on all shades of hair. Sage Sage is a natural herb you can use to darken your hair. This method darkens hair a few shades but needs to be repeated once a week for the best results. Here's how to use it: Put about a cup of sage in a pot filled with water. Let it boil for a couple of hours. Strain out the leaves. Apply the water to your hair. Leave in your hair for half an hour. Wash your hair. Towel dry. This is a great way to darken your hair without causing a lot of damage. This technique is often used for grey hair.