Are you applying black henna on your hair indiscriminately? Then know its disadvantages first.
- bySherya
- 29 Aug, 2025

Black henna makes the hair look black, but the chemicals present in it can cause serious damage to the hair and skin.

The trend of applying black henna on hair has become very common. It is easy to apply, hair starts looking black immediately and you do not have to spend as much as you would on expensive dyes. But do you know that the chemicals present in this black henna can slowly damage both your hair and skin?
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Scalp allergies and itching: The PPD (paraphenylenediamine) chemical present in black henna can cause allergies on the scalp. Symptoms like itching, redness and irritation are common.
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Hair fall: Continuous use of black henna damages the hair roots. As a result, the hair becomes weak and starts breaking and falling.
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Spots on the skin: If while applying henna it comes in contact with the skin of the forehead, ears or neck, it can cause black spots and rashes on the skin.
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Losing the natural shine of hair: The chemicals in black henna take away the natural moisture and shine of the hair. In a short time, the hair starts looking dry and lifeless.
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Premature graying: The harsh chemicals present in black henna damage the natural pigment of the hair. This causes the hair to turn gray prematurely.
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Eye and breathing problems: The strong smell and chemicals of henna can cause eye irritation and breathing problems to many people.

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Long term cancer risk: Several studies have found that excessive use of hair dyes and chemical-laden black henna can increase the risk of cancer in the long term.