Laminaria diabolica extract
AKA “Diabolica Seaweed Extract, Diabolica Kelp Extract
Extract
Ingredient Facts
Laminaria diabolica extract
AKA: Diabolica Seaweed Extract, Diabolica Kelp Extract
Extract · Humectant · EWG: 4
Plant-Derived
Humectant
Skin Conditioner
Marine
Extract
Not Clean
Laminaria Diabolica Extract is the extract of the alga, Laminaria diabolica, Laminariaceae.
Family
Laminariaceae (Brown Algae)
Plant Part
Thallus
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.
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Locks In Moisture
Traditional Use
Laminaria Diabolica is a species of kelp used in traditional Pacific coastal skincare practices. Seaweeds have long been recognized in Asian traditional medicine for their mineral-rich and skin-nourishing properties.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
medical-approval
all-shades-safe
Moderate Irritant
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
Verified Jun 2026
Data: CosIng · EWG · CIR