Viscosity increasing agent is used to render preparations more resistant to flow. Used in suspensions to deter sedimentation, in ophthalmic solutions to enhance contact time (e.g., methylcellulose), to thicken topical creams, etc.
Examples
- Alginic acid
- Bentonite
- Carbomer
- Carboxymethylcellulose
- Sodium
- Methylcellulose
- Povidone
- Sodium alginate
- Tragacanth
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