Methylcellulose
AKA “Methylcellulose (4000 cps), Goodsense Fiber, Soluble Fiber, GNP Fiber Therapy, Sunmark fiber laxative, RefChem:55610, Health Mart fiber caplets, METHYL CELLULOSE
Synthetic
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Ingredient Facts
Methylcellulose
AKA: Methylcellulose (4000 cps), Goodsense Fiber, Soluble Fiber, GNP Fiber Therapy, Sunmark fiber laxative, RefChem:55610, Health Mart fiber caplets, METHYL CELLULOSE
Synthetic · Binder | Emulsifier | UV-Filter | Thickener · EWG: 4
Plant-Derived
Emulsifier
Synthetic
Clean
A gentle thickener that helps create smooth, stable formulas while providing light UV protection. Keeps products from separating and improves texture on skin and hair.
Formula
C20H38O11
Mol. Weight
454.5
CAS #
9004-67-5
Form
Powder
Plant-Derived
Botanical-Derived Synthetic. Derived from cellulose, a natural polymer extracted from plant cell walls, primarily wood pulp and cotton. Produced through chemical modification of cellulose via methylation, replacing hydroxyl groups with methyl ether groups.
Function
Binder | Emulsifier | UV-Filter | Thickener
Benefits
Holds Formula Together
Stabilizes Emulsion
Light Stabilizer
Controls Viscosity
Traditional Use
Methylcellulose was first synthesized in the 1920s as a semi-synthetic cellulose derivative. It was adopted by the cosmetics industry as a thickening agent and film-former to create texture and improve product stability.
Skin Types
all-skin-types
Best For
Target
General
Melanin-Rich Skin
Suitable
Pregnancy Safe
Yes
EWG Score4
CIR Safety Findings
all-shades-safe, Not a Sensitizer
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Feb 2026
Data: PubChem · CosIng · EWG · CIR