Alginic Acid
AKA “Algin, Sodium alginate, Alginate
Acid
Ingredient Facts
Alginic acid
AKA: Sodium alginate, Alginate
Acid · Binding · EWG: 1
Synthetic
Skin Conditioner
Marine
Acid
Clean
Alginic acid
CAS #
9005-32-7
Form
Liquid
State
Solid
See origin →
Functions
Binding
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Viscosity Controlling
Locks in moisture
Traditional Use
Extracted from brown algae, this compound has been used in traditional Asian skincare and cosmetics for centuries as part of seaweed-based treatments. Modern isolation and use in cosmetics began in the 20th century as a thickening and film-forming agent.
Skin Types
all-skin-types, gentle
Best For
General
Pregnancy & Breastfeeding Safe
Yes
EWG
1
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
ewg-1
medical-approval
pregnancy-nursing-safe
all-shades-safe
Concentration Guide
Dermal absorption: 2%. Source: CIR Safety Assessment (CIR Seq 680).
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
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Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Final report of the amended safety assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate,
International journal of toxicology, 2004
Polyurethane Versus Calcium Alginate Dressings for Split-Thickness Skin Graft Donor Site: A Systematic Review and Meta-Analysis.
Alsaif A, Karam M, Aldubaikhi AA, Alghufaily A, Alhuwaishel K et al.
Cureus, 2021
Final Report of the Amended Safety Assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate, Glyceryl Arachidate, Glyceryl Arachidonate, Glycer
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Final Report on the Safety Assessment of Glyceryl Laurate, Glyceryl Laurate SE, Glyceryl Laurate/Oleate, Glyceryl Adipate, Glyceryl Alginate, Glyceryl Arachidate, Glyceryl Arachidonate, Glyceryl Behen
Cosmetic Ingredient Review (CIR) Expert Panel
International Journal of Toxicology
Alginic Acid
European Commission
EU Cosmetic Ingredient Database (CosIng)
Ammonium Alginate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Calcium Alginate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Glyceryl Alginate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Magnesium Alginate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Potassium Alginate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Potassium Undecylenoyl Alginate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Propylene Glycol Alginate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Sodium Algin Sulfate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Sodium/TEA-Undecylenoyl Alginate
European Commission
EU Cosmetic Ingredient Database (CosIng)
TEA-Alginate
European Commission
EU Cosmetic Ingredient Database (CosIng)
Safety and efficacy of sodium and potassium alginate for pets, other non food-producing animals and fish.
EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP), Rychen G, Aquilina G, Azimonti G, Bampidis V et al.
EFSA journal. European Food Safety Authority, 2017
Bioremediation of malachite green dye using sodium alginate, Sargassum latifolium extract, and their silver nanoparticles.
El-Sheekh MM, Deyab MA, Hassan NI, Abu Ahmed SE
BMC chemistry, 2023
Algin
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Alginic Acid
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Calcium Alginate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Potassium Alginate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Propylene Glycol Alginate
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
The Inhibitory Effect of Propylene Glycol Alginate Sodium Sulfate on Fibroblast Growth Factor 2-Mediated Angiogenesis and Invasion in Murine Melanoma
Ma H, Qiu P, Xu H, Xu X, Xin M et al.
Marine drugs, 2019
Suitability of pea starch and calcium alginate as antimicrobial coatings on chicken skin.
Mehyar GF, Han JH, Holley RA, Blank G, Hydamaka A
Poultry science, 2007
A multifunctional polyacrylonitrile fibers/alginate-based...
Tahereh Moshfeghi, Najmeh Najmoddin, Elham Arkan, Leila Hosseinzadeh
International journal of biological macromolecules, 2024
A multifunctional polyacrylonitrile fibers/alginate-based...
Tahereh Moshfeghi, Najmeh Najmoddin, Elham Arkan, Leila Hosseinzadeh
International journal of biological macromolecules, 2024
Preparation of sodium alginate and xanthan gum bionanocom...
Seyyede Fatemeh Mousavi, Nasser Arsalani, Marjan Ghorbani
International journal of biological macromolecules, 2025
Preparation of sodium alginate and xanthan gum bionanocom...
Seyyede Fatemeh Mousavi, Nasser Arsalani, Marjan Ghorbani
International journal of biological macromolecules, 2025
Preparation of sodium alginate and xanthan gum bionanocom...
Seyyede Fatemeh Mousavi, Nasser Arsalani, Marjan Ghorbani
International journal of biological macromolecules, 2025
Allantoin-functionalized silk fibroin/sodium alginate tra...
Haojiang Xie, Qiao Bai, Fankai Kong, Yang Li, Xiaoying Zha, Lingqin Zhang + 4 more
International journal of biological macromolecules, 2022
Chitosan, alginate, hyaluronic acid and other novel multi...
Ningning Yuan, Kan Shao, Shan Huang, Cheng Chen
International journal of biological macromolecules, 2023
Verified Jun 2026
Data: CosIng · EWG · CIR