| http://www.w3.org/ns/prov#value | - If present, they may range from about 0.1 to 20% by weight of the total composition and include polyhydric alcohols including glycerol, C1-4 alkylene glycols such as butylene, propylene, ethylene glycol, glycerin, and the like, polyalkylene glycols, and alkylene polyols and mixtures thereof, hyaluronic acid, urea, sorbitol, sodium 2-pyrrolidone-5-carboxylate, soluble
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