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LPT: Lips chapped all the time even when you’re hydrated? Check the ingredients of your toothpaste!
LPT: Lips chapped all the time even when you're hydrated? Check the ingredients of your toothpaste! What started as a simple comment on r/brushbros (shameless plug) led me down the rabbit hole of toothpaste ingredients. Turns out toothpastes containing Sodium-Laureth Sulfate (SLS) may be the culprit behind all your lip/mouth issues. SLS is an inexpensive chemical that is added to toothpastes to make them foam well. To those of you wondering, n...
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