microcrystalline cellulose
AKA: Microcrystalline Cellulose (MCC)
Synthetic
Emulsifier
Clean
Microcrystalline Cellulose is the isolated, colloidal crystalline portion of cellulose fibers.
CAS #
9004-34-6
Functions
Abrasive
Absorbent
Anticaking
Bulking
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Light Stabilizer
Opacifying
Viscosity Controlling
Shields from UV damage
Traditional Use
Developed in the 20th century as a refined form of cellulose for pharmaceutical and cosmetic use. Used as a bulking agent and texture modifier in modern skincare formulations due to its ability to absorb oils and improve product consistency.
Skin Types
●all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
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Verified Jun 2026
Data: CosIng · EWG · CIR