prov:value
| - Among them, cellulose and derivatives thereof, alginic acid and salts thereof, polyvinyl alcohol, hyaluronic acid and salts thereof, and collagen are preferable.Preferable examples of the solvents and the propellants include lower alcohols such as ethanol, 2-propanol (isopropyl alcohol), butanol, and isobutyl alcohol; glycols such as propylene glycol, 1,3-butylene glycol, diethylene glycol, diprop
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