What it is
Isopropylphthalimide is a synthetic phthalimide derivative used in cosmetic formulations primarily as a solvent and solubilizing carrier. It can help dissolve or stabilize other ingredients within a formula. It is used at modest levels as a formulation aid rather than as an active.
Safety & warnings
Used as a formulation aid at low levels and generally without notable reports of irritation or sensitization at cosmetic concentrations. As with any solvent-type ingredient, tolerability depends on the overall formula.
Origin & sourcing
Synthetic; a phthalimide derivative produced by chemical synthesis.
Questions everyone asks
What does isopropylphthalimide do?
It mainly functions as a solvent and carrier to help dissolve or deliver other ingredients.
Is it a UV filter?
No, it does not absorb ultraviolet light and serves a formulation role.