Methylcellulose
AKA “Goodsense Fiber, Soluble Fiber, GNP Fiber Therapy, Sunmark fiber laxative, RefChem:55610, Health Mart fiber caplets, MFCD00081763, (5R)-2, 3, 4-Trimethoxy-6-(methoxymethyl)-5-[(2S)-3, 4, 5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxyoxane, Cethylose
Ingredient
Ingredient Facts
Methylcellulose
AKA: Goodsense Fiber, Soluble Fiber, GNP Fiber Therapy, Sunmark fiber laxative, RefChem:55610, Health Mart fiber caplets, MFCD00081763, (5R)-2, 3, 4-Trimethoxy-6-(methoxymethyl)-5-[(2S)-3, 4, 5-trimethoxy-6-(methoxymethyl)oxan-2-yl]oxyoxane, Cethylose
Ingredient · Emulsion Stabilising · EWG: 1
Synthetic
Emulsifier
Not Clean
See also: Methylcellulose (annotation moved to).
Formula
C20H38O11
Mol. Weight
454.50
CAS #
9004-67-5
Form
Powder
See origin →
Functions
Binding
Emulsion Stabilising
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Stabilising
Viscosity Controlling
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
General
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Final Report on the Safety Assessment of Hydroxyethylcellulose, Hydroxypropylcellulose, Methylcellulose, Hydroxypropyl Methylcellulose, and Cellulose Gum
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Hydroxybutyl Methylcellulose
European Commission
EU Cosmetic Ingredient Database (CosIng)
Hydroxypropyl Methylcellulose
European Commission
EU Cosmetic Ingredient Database (CosIng)
Hydroxypropyl Methylcellulose Acetate/Succinate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Methylcellulose (4000 cps)
European Commission
EU Cosmetic Ingredient Database (CosIng)
Developing a stable aqueous enteric coating formulation with hydroxypropyl methylcellulose acetate succinate (HPMCAS-MF) and colloidal silicon dioxide
Deshpande TM, Quadir A, Obara S, Ibrahim A, Hoag SW
International journal of pharmaceutics, 2018
Hydroxypropyl Methylcellulose
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Methylcellulose
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Elucidating the in vivo fate of pharmaceutical excipient sodium carboxymethylcellulose in rats using UHPLC- Q TRAP MS/MS and UHPLC- Q TOF MS/MS approa
Yang N, Liu J, Mu K, Liang A, Yin G et al.
Bioanalysis, 2026
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR