Why reuse your sunscreen last year is a big mistake, according to science

Why reuse your sunscreen last year is a big mistake, according to science

Why reuse your sunscreen last year is a big mistake, according to science

You may be planning the next holidays or a quick weekend getaway that will free you from day to day.When you go to see if you have everything, you observe that the sun cream is last year.You put it in the backpack because it is whole and not expired, thinking that it is a waste to throw it.However, with this gesture you can be putting your health and that of yours according to a recent report published in Chemical Research in Toxicology magazine.

According to the researchers, who have analyzed 17 sun protection products, 9 of them from the European Union and the remaining 8 of the USA.UU., in 16 of them they found Octocrileno, an organic compound, formed mainly by carbon, which is used in the chemical formulation of sunscreen due to their ability to absorb UV rays.It is a very common element in high protection sun creams, including those of children.

Benzofenona, the substance that spoils the sun cream

In the report, it is pointed out that those sunscreens that have used in their pure octocrileno formulation have traces of benzofenone, a substance rated by the EE drug administration.UU.as not suitable for use in high concentrations.

Por qué reutilizar tu protector solar del año pasado es un gran error, según la ciencia

Benzofenone is associated with a wide range of toxicities, which include genotoxicity, carcinogenicity and endocrine alteration, scientists point out in the study.The revelation of this negative substance for the body is produced by the oxidation and degradation of the octocrileno, so before considering using the sunscreen of the previous year, it is convenient to review the list of assets and components of the sun cream, especially that of the kids.

Where does the risk of using the sunscreen of the previous year that contain pure oxycrilene reside?

In the United States, benzofenone is prohibited in its pure formulations.In March 2021, the Consumer Security Scientific Committee (SCCS) of the European Commission issued its opinion on the use of this ingredient in the EU.

In 2019, the European Commission established a list of priorities to analyze 28 ingredients considered potential endocrine disruptors among which is benzofenona-3, a derivative of pure.In this opinion, the use of this substance in sunscreens is allowed as long as a maximum concentration of 2.2% of benzofenona-3 as a UV filter, and if it is not used as a chemical stabilizer adding another 0.5%.

The SCCS recognizes that the various studies point to the certainty of the endocrine effects of benzofenone, however they have not yet found enough scientific evidence that supports a total prohibition.

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