Last update June 11, 2022
Hair Dyes are widely used products by many cultures and civilizations (Gavazzoni 2015, Patel 2013, Benaiges 2007). Natural components, of lower risk (NHS 2013), are: Henna, Saffron, Chamomile and nut among others (MurciaSalud 2013). Synthetic components are: aniline and other benzene derivatives, heavy metals like lead. (Benaiges 2007)
Some of their components can be absorbed and reach the mother's plasma and the breast milk. (Yin 2012)
In last decade, a bulky amount of products in use have been withdrawn from the market since they were considered to be toxic for the organism (Benaiges 2007). Controversy still exist on the safety of existing products, while some authorities consider them to be safe (Gavazzoni 2015, NHS 2013, OTIS 2010, Chua 2008), some studies have found an association between its use during pregnancy and breastfeeding and certain types of leukemia or germ cell tumors in childhood. (Couto 2013, Chen 2006)
A relationship has been found between their regular use and certain types of cancer in women who use them personally or as hairdressers (Zhang 2020, Dianatinasab 2017, Takkouche 2009, Sanjosé 2020, Benavente 2005). There is an increased risk of bladder cancer among hairdressers (Harling 2010), but not among users. (Turati 2014)
While breastfeeding, it is recommended a limited use, to follow advice appearing with the product, a shower after dye to keep clean the breast area and wearing short hair to minimize absorption of potentially toxic products.
Mothers working at hair dressing facilities should observed all preventive measures, wearing gloves, working-time restriction, etc. (MurciaSalud 2013, Chua 2008). They can be genotoxic for these workers. (Galiotte 2008)
Suggestions made at e-lactancia are done by APILAM team of health professionals, and are based on updated scientific publications. It is not intended to replace the relationship you have with your doctor but to compound it. The pharmaceutical industry contraindicates breastfeeding, mistakenly and without scientific reasons, in most of the drug data sheets.
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