murphySodium Hydroxypropyl Oxidized Starch Succinate
AKA: Modified Starch Surfactant
Synthetic
Humectant
Occlusive
Skin Conditioner
Hair Care
Not Clean
OriginDerived from plant starches, typically corn, potato, or tapioca sources through agricultural processing. Modified through oxidation and succinate esterification to enhance film-forming and conditioning properties.
Sodium Hydroxypropyl Oxidized Starch Succinate is a cosmetic ingredient used as film forming, hair conditioning, humectant. Assessed as safe by the CIR.
CAS #
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Form
Powder
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
Functions
Film Forming
Creates a physical seal on skin to lock moisture in and keep irritants out. The "slugging" ingredient — barrier protection.
Hair Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks In Moisture
The paper trail
🔬Peer-reviewednone on file
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR