Other ingredient
Styrene Isoprene Styrene Block Copolymer
INCI: Styrene/Isoprene Copolymer
A synthetic elastomeric block copolymer used as the pressure-sensitive adhesive matrix or flexible substrate in hydrocolloid and acne patch formulations, providing structural integrity and skin adhesion.
Also known as: sis block copolymer, styrene isoprene styrene, hydrogenated styrene/isoprene copolymer
film-formingadhesiveviscosity-increasing
Benefits
- ✓Provides flexible elastomeric substrate for acne patches
- ✓Enables conformable adhesion to skin contours
Watch for
- ⚠Inert polymer; no known skin activity or sensitization at typical patch-use concentrations
