NatureSilk (Propanediol) INGREDIENTS Others NatureSilk (Propanediol) curlytea INCI: 1,3 Propanediol (or Propanediol 1,3) 1,3 Propanediol (also known as Naturesilk at IngredientsToDieFor.com) is a plant... Read More Read more about NatureSilk (Propanediol)