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Today the Goblin King from Lego Hobbit came to me and having covered two black dots on his bunch, I decided to wipe them with alcohol. But due to the unhealthy lead mania, I am paranoid, is the plastic damaged at the chemical / molecular level?

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The LEGO Group has been extremely careful about the formulation of all of the plastic parts they manufacture.

I do not believe they ever used lead in any of their parts. Decades ago they removed cadmium from the yellow pigments.

I have never found that isopropyl alcohol will soften the plastic used for Lego bricks.

What will soften Lego bricks is hot water. Do not use a dishwasher to clean Lego bricks. The water is too hot and the detergent is too aggressive.

To clean most Lego brick mild soap and warm water is the best choice. Air dry only, do not use hot air from hair dryers.

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  • Sorry, apparently the translator misunderstood me in this sentence "But due to the unhealthy lead mania". I wanted to say that I have an unhealthy obsession with the inviolability of my figures. For example, I get rid of figurines that have interacted with oil or chlorine. – LordSin Sep 8 '20 at 12:06
  • Both red and yellow bricks had cadmium based pigments in the past. bricks.stackexchange.com/questions/8543/… – Dan Is Fiddling By Firelight Sep 15 '20 at 19:16

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