Henna is a dye from the dried leaves of a plant, called Lawsonia. These leaves are harvested, dried into a powder and then paint is manufactured. Moreover, this pigment has a diverse coloring degree, which determined by the type of leaves. The upper leaves of this herb supply a more stable pigment, whereas lower leaves have less coloring power. Henna is used as a hair dye, together with it henna is a substance, which paints the skin.
By the same token, henna is a universal product, in addition to the stated properties, it is still used in medicine, as long as it has strong disinfectant features.
Henna is considered a hypoallergenic product because of its natural origin, a henna allergy is extremely rare, but still it subsists.
Conversely, that there are some groups of people, who could potentially be allergic to henna, they are patients with dermatitis, bronchial asthma, people, prone to allergic reactions to hair, pollen and dust.
The allergen can be both henna and various additives that are added to henna in order to give it stability. The most treacherous of these supplements is paraphenylenediamine. It is a poison that does not inferior to bee venom with its characteristics and can trigger a severe allergic reaction.
In addition, it became clear that the manifestation of the allergic reaction depends on the color of henna. Red henna has an absolutely secure chemical composition and is not life-threatening. Black henna is able to provoke allergies up to chemical burns.
Chiefly, allergy symptoms may include:
- A runny nose;
- Nasal congestion;
- Watery eyes;
The reaction of the skin is expressed in the form of itching, peeling, redness.
Considering the gastrointestinal tract, vomiting, diarrhea, heaviness in the abdomen are observed.
These symptoms come out as the result of applying henna either on hair or the skin.
Despite the fact that this allergy is quite infrequent, it can have serious repercussions for the human body, such as angioedema and anaphylactic shock, which is, as everyone knows, a direct hazard to human life.
The remedy involves the provision of emergency care, which presupposes injections of epinephrine and antihistamines reception. It is significant to take antibiotics, prescribed by a doctor, do not engage in self-medicate.
Since the allergy can be quite grievous, it is recommended to observe ensuing preventive measures:
- Before using henna, perform the test on the vulnerability of the skin: Apply a small amount of substance on the forearm and leave for a day. Thus, it will be feasible to verify the presence or absence of an allergic reaction;
- If the person uses henna with additives, then make sure that these supplements are safe and cannot cause the allergic reaction;
- Do not use henna oftentimes, on the grounds that scientists have found that a long-term use of henna can provoke allergic reactions, promote the appearance of eczema, heartburn, and herpes;
- Use only high-quality To do this, dilute henna with water and if the consistency is homogeneous, the quality is high and the product is suitable for the use.
Consequently, it can be concluded that in most cases henna is the outcome of a negligent attitude towards the choice of the individual product and its use. The allergy occurs due to the improper use of the product or the usage of poor-quality assets with harmful additives. But do not forget that this rare type of the allergy may arise in people with a predisposition to the emergence of allergies. In either case, the best measure of prevention is to be examined by an expert, who will indicate the presence or absence of allergy markers and maintain to plan next steps, if the person is going to interact with henna.