Dùng giấm và nước. Sử dụng muối. Nghiền viên vitamin C và cho vào dầu gội. Gội đầu bằng hỗn hợp cây đại hoàng. Thử dùng mật ong. Dùng nước cốt chanh. Làm sáng màu tóc bằng trà hoa cúc La Mã. Làm sáng tông màu tóc bằng quế. Dùng oxy già.

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Rinsing hair with vinegar and water helps lighten hair for some. Try mixing one part vinegar with six parts water. Then, rinse your hair for 15 minutes. Apple cider vinegar may work better and has a nice smell. Simple table salt may have an effect on hair color. Many people notice their hair gets lighter in response to swimming in salt water. Try adding one part salt with five parts water. Rinse into your hair and let sit for 15 minutes. Then, rinse and wash as usual. Vitamin C can lighten your hair and may actually improve its overall health. Take 8 or 9 vitamin C tablets, which you can purchase at most drug stores, and crush them. You can do this by putting them in a plastic bag and then rolling the tablets into a powder using a rolling pin. Mix this into your shampoo. Use the shampoo as usual over the next few weeks and see if you notice an effect. Rhubarb is a plant that has properties which can naturally lighten dark hair. Try adding 1/4 cup of chopped rhubarb to 2 cups of water. Bring the rhubarb and water to a boil and then allow it to cool. Strain the rhubarb and use the water to rinse into your hair. Leave the rinse in for 10 minutes. Then, rinse out your hair with clear water. If you're not into dyes or chemical treatments, many people swear by honey as a natural means to lighten hair naturally. Honey is deeply moisturizing but contains trace amounts of hydrogen peroxide that can help lighten dark hair. Like vinegar and water, though, this methods doesn’t work for everyone.  Mix a small amount of honey into water or vinegar before applying it to your hair. Honey is sticky and difficult to wash out, so you want to dilute it before adding it to your hair.  Coat your hair in a blend of honey and water or vinegar. Put on a shower cap and leave the mix in overnight. Wash out in the morning and see if you notice any results. Citrus juices, such as lemon or lime juice, may lighten dark hair. Try using citrus juices if you want to lighten your hair.  You can add a quarter cup of warm water to a cup of lemon...