What Is Henna?
Henna leaf or Lawsonia inermis is cultivated throughout India. It is popularly used as a hair dye, for body art, and is known for its medicinal and therapeutic properties (2). Natural henna leaves an auburn color on the hair. However, the color may differ as per the variety of henna leaf used. It gives an instant cooling effect and has antimicrobial properties. Henna extract is effective against the acne-causing S. aureus bacteria and may help minimize scalp acne. Traditionally, mehendi or henna is believed to strengthen the hair, promote hair growth, and add luster to it. However, there is no scientific proof for these claims. Henna is commonly used to cover gray hair and is a popular alternative for chemical hair dyes.
Does Henna Cover Gray Hair?
Yes. Henna can cover gray hair and leave an auburn or reddish-orange tint on the strands. However, the results may differ depending on your natural hair color. Adding other herbal ingredients like jatamansi, kuth, kattha, and amla (Indian gooseberry) and coffee with henna can produce a significant coloring effect and cover gray hair effectively (3). The next section explains how you can use henna to cover gray hair.
How To Cover Gray Hair With Henna: A Complete Guide
Gather the ingredients that you may need. They include:
1-2 tablespoons of black tea leaves 2-3 tablespoons of henna powder (adjust the quantity) 2-3 cups of water ½ teaspoon of lemon juice Applicator brush A mixing bowl An old T-shirt
Step 1: Boil Black Tea Leaves Boil the black tea leaves in water for a while. Once it starts bubbling, let it simmer on low heat until the water reduces to half. The water should be in proportion to the quantity of henna powder you use. Always use natural henna powder rather than those which come with a developer. Step 2: Prepare A Henna Mask Soak the henna powder in water for around 8 hours or overnight. Mix the henna paste, black tea, and lemon juice. You can also add some amla powder to this mixture. However, this is optional. Step 3: Apply The Mask Wear the old T-shirt to avoid staining and then section your hair. Use the applicator brush to cover the section from root to tip. Repeat with all the hair sections. Wear a disposable shower cap to keep the hair intact and wait for at least 30 minutes for the hair to absorb the paste. Step 4: Wash It Off Rinse off the paste with cold water. Ensure to wash thoroughly and apply a conditioner to the hair. Do not shampoo right away and let the color settle. You may shampoo your hair the next day. You can apply henna once or twice a month. Check out this video for a better understanding:
Henna is considered safe for the skin. Animal studies show that it may treat androgenetic alopecia (4). However, you may experience a few side effects. [Read: Ashwagandha For Hair]
Side Effects Of Henna
Henna may cause allergic reactions, and you may experience the following symptoms:
Itchiness Dryness Sore and red eyes Redness Blisters
However, these side effects are rare and often caused by commercial black henna containing synthetic ingredients like PPD. If you observe any of these side effects, consult your doctor without any further delay. If you are applying henna to your hair, here is a set of precautions you need to follow.
Precautions To Take While Applying Henna
Do a patch test to prevent allergic reactions. Do not apply henna if you have existing scalp conditions or blisters or wounds on your scalp. If you have a cold or fever, do not apply henna. It has a cooling effect and may further aggravate your condition. Ensure that your hair is tangle-free. The henna paste may cause tangles and may be difficult to wash off. Always use a glass bowl to mix the paste as metal bowls may react with the ingredients. Coat the hairline and skin near the nape with Vaseline or petroleum jelly to prevent staining. Always wear disposable plastic gloves before applying henna to prevent staining. Do not apply henna on oily hair as the oil may prevent color absorption. Do not leave henna on your hair for more than 45 minutes. If it dries out completely, it can be difficult to wash it out. Apply cucumber slices or cooling eye pads if you experience a burning sensation in the eyes post henna application.
How long does henna last on gray hair? If you’ve always wanted to use henna, check out the infographic below for a quick, step-by-step tutorial on how to do it right. Once you color your gray hair with henna, the color should last about 7-9 weeks. How often can I henna my hair? You can color your hair with henna once every month. Can henna be removed from hair? Henna is a permanent color. If you want to remove it from your hair, apply a lot of warm oil to your strands (until it is dripping). Wrap your hair in a shower cap. Leave it on for a few hours or overnight. Then, wash it off with warm water and shampoo. You may need to repeat this process a few times to remove the color. You can also use a baking soda rinse to lighten henna-colored hair.
