sostearyl Neopentanoate
sostearyl Neopentanoate
SOS
8/10
Concern level
High concern
A synthetic emollient ester used to boost spreadability, lubricity, and a soft silky afterfeel in skin and hair products. It is a lightweight skin-conditioning ingredient, not an active treatment ingredient. ([pubchem.ncbi.nlm.nih.gov](https://pubchem.ncbi.nlm.nih.gov/compound/Isostearyl-neopentanoate?utm_source=openai))
Pore-clogging
Low
Pregnancy
Safe
Regulatory
No data
Benefits
MoisturizingImproves TextureSupports Barrier Function
Chemical Properties
Molecular Weight
354.6 g/molTypical Concentration
0.50% - 20.00%CAS Number: 58958-60-4
Skin Type Compatibility
dry skin8/10
oily skin6/10
sensitive skin8/10
acne prone6/10
mature skin8/10
normal skin9/10
Interactions
incompatible with:
Risks & Warnings
Low irritation potential overall. In very acne-prone users, richer ester emollients can occasionally feel too occlusive depending on the full formula. No special pregnancy-specific concern is known for topical cosmetic use. ([pubchem.ncbi.nlm.nih.gov](https://pubchem.ncbi.nlm.nih.gov/compound/Isostearyl-neopentanoate?utm_source=openai))
Vegan Cruelty-Free
