E331
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E331 is a widely used ingredient in cosmetics, personal care, and skincare formulations. Depending on its function, it may serve as a moisturizer, preservative, emulsifier, or active ingredient to enhance the overall effectiveness and performance of a product.
E331 (Wikipedia)
E331 may refer to:
- European route E331, which is a part of Bundesautobahn 44
- E331 series, a former electric multiple unit (EMU) used for commuter services
- E331, the E number of the salt forms of sodium citrate
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