Silkworm cocoon extract
AKA “Silkworm
Extract
Ingredient Facts
Silkworm cocoon extract
Extract · Humectant · EWG: 4
Plant-Derived
Humectant
Extract
Not Clean
Silkworm Cocoon Extract is an extract of the cocoon of the Silkworm, Bombyx mori
CAS #
91079-16-2
Form
Liquid
See origin →
Functions
Humectant
A moisture magnet. Pulls water from the air and deeper skin layers up to the surface to keep skin plump and hydrated.
Locks In Moisture
Traditional Use
Used in traditional Asian skincare for centuries, particularly in China and Japan, where silk fibroin was valued for its moisturizing and skin-softening properties. Silk was traditionally applied to the skin as a luxurious treatment for nobility and is documented in ancient Chinese texts as a beauty ingredient.
Skin Types
all-skin-types
Best For
Wrinkles
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR