What to know and to avoid these ingredients if you are allergic to shampoo

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Shampoo is a product that everyone uses almost every day in their daily lives for cleaning their hair. Including helping to keep hair healthy. In general, when choosing a shampoo to use, you should look for a formula that is suitable for your hair type or hair problem. However, the ingredients in some shampoos can cause allergic reactions in some people. Symptoms range from sneezing to dermatitis. (Dry, itchy and irritated scalp), so for those who are wondering if they are allergic to shampoo or not. Today, Vogue Beauty will take you to know the causes, symptoms, as well as which ingredients in shampoo should be avoided.

What is an allergic reaction?

     Allergies are caused by allergens such as pollen or dust. When ingested, the immune system reacts. This caused a chain reaction. By producing immunoglobulin E (IgE) antibodies, these antibodies act as It is a “cleaner” and removes allergens from your body. Resulting in the release of histamine which are chemicals created in the body It’s released by white blood cells into the bloodstream. When the immune system thinks it’s under attack. The signs of an allergic reaction range from mild, moderate to severe. Symptoms include a rash, swelling, and difficulty breathing.


What are the symptoms of allergy to shampoo?

     Although the shampoo is not in contact with the scalp and skin for a long time. Because it will eventually be washed away by water. But there is still a chance of causing an allergic reaction as well. The most common allergic spots are the areas that come in contact with the shampoo, such as the scalp, face, ears, back of the neck, hands and upper body. The most common symptoms appear between 24-48 hours and include red, scaly skin, severe burning and itching, swelling and hives, among others. 

Cause of allergy to shampoo

     Because most shampoos are often mixed with various chemicals. which is usually harmless But if someone’s immune system overreacts to these chemicals. It can eventually lead to an allergic reaction. Nowadays, there are many shampoos that contain chemicals that can be allergens. whether it’s perfume substances added to thicken, preservatives, and surfactants that create foam or bubbles, etc. 

Ingredients in Shampoos to Avoid

skin care specialist It is often recommended to avoid some of the following ingredients in shampoos and conditioners: Especially for those who are sensitive to allergies. 

1. Sulfate or sodium lauryl sulfate (SLS) and sodium lauryl sulfate (SLES) act as cleaning and foaming agents. In addition to pulling natural oils out of the hair, it can also cause allergic reactions such as skin irritation. dryness and inflammation

2. Formaldehyde (Formaldehyde) acts as a preservative in shampoo. Can lead to allergic contact or contact dermatitis.

3. Parabens: Preservatives that are used in beauty products to extend their shelf life. Has antibacterial and antifungal properties. But they are also rapidly absorbed through the skin. This can lead to skin problems such as irritation, redness, flaking and hives.

4. Hexachlorophene (Hexachlorophene), a disinfectant with antibacterial properties But it can irritate your eyes and skin.

5. Phthalate (Pthalate) Chemicals increase the flexibility of many plastics. In which the shampoo acts as a binder. and easily absorbed into the body which is one of the harmful substances in cosmetics that you should avoid

Allergic to shampoo, what should I use?

     If an allergic reaction is found when using shampoo Should stop using the shampoo before. You don’t have to wait for the symptoms to disappear, you can see a doctor right away. And don’t forget to bring shampoo with you. to continue testing for substances that cause allergies Then turn to the chemical-free shampoo mentioned above. And is gentle on both skin, scalp and hair, recommended to be used as natural or herbal shampoo with a mixture of essential oils, plants or fruit extracts because it can clean the hair more gently Ready to add moisture without irritating the scalp. or pulling natural oils out of the hair

     Because we all use shampoo to keep our hair clean, soft, shiny and healthy. But when the shampoo is the cause of allergies Whether it’s minor or severe, it’s time to consider taking it off. and if when allergic reactions to shampoo occur Whether it’s burning, itching, red skin, or hives. Don’t wait to see if it goes away on its own. But should hurry to see a doctor in order to be treated as soon as possible