Out Of This World Hair Dye Chemical Reaction Equation
The common medical definition of allergies according to Daniel More MD is an abnormal reaction by a persons immune system against a normally harmless substance What.
Hair dye chemical reaction equation. They may cause allergic reactions that sometimes may be severe and may need you to visit your doctor immediately. Most cases I found online showed that allergic reactions to hair dye could last up to 2 days sometimes more than depending on how your system reacts too early or late and how effective the treatments are. Many permanent and some semi-permanent hair dyes contain a chemical called paraphenylenediamine PPD which is a known irritant and allergen.
Dyeing hair seems to come naturally to many people as they age but it could be the cause of an allergic reaction no matter how long youve been using the same product according to a dermatologist at Baylor College of. Vulnerability to skin reaction is known in medical terms as contact dermatitis. Allergies are nothing to sneeze.
In this regard the skin becomes swollen red dry. Allergic Reactions to Hair Dye. PPD can cause allergic reactions among people with hypoallergenic skin.
Read our article to understand symptoms and treatments for hair allergies. The most common cause of these allergic reactions is. In this case the allergen is the hair coloring agents.
Hair dye brand names can be deceiving since some include words like natural or herbal on their boxes. Hair dyes contain a number of chemicals that are used to give you that natural smooth color. A negative result to a patch test of the dye prior to using it does not guarantee freedom from reaction because the patch test itself could cause sensitisation and result in a rash the next time the hair is.
Hair dyes containing PPD are safe to use providing safety instructions are followed. Hair dyes containing the most PPD are the most likely to cause allergic reactions. You may notice rashes in different parts of your body both in the hair area and not and any redness or inflammation may be a result of allergic reaction.