Kelp
AKA “astemizole, 68844-77-9, Hismanal, Paralergin, Histamen, Retolen, Astemison, Astemizol, Astemizolum, Hestazol”
Synthetic
Ingredient Facts
Kelp
AKA: Astemizole, 68844-77-9, Hismanal, Paralergin, Histamen, Retolen, Astemison, Astemizol, Astemizolum, Hestazol
Synthetic · Skin Conditioning · EWG: 4
Plant-Derived Synthetic
Skin Conditioner
Marine
Synthetic
Not Clean
Astemizole is a synthetic piperidinyl-benzimidazol derivative with antiallergic properties, Astemizole acts as a reversible competitive inhibitor of histamine H1 receptors, with less anticholinergic effects compared to related agents. It is a long-acting, non-sedative antihistaminic used in the treatment of seasonal allergic rhinitis, asthma, allergic conjunctivitis, and chronic idiopathic urticaria. (NCI04)
Solubility 432
Formula
C28H31FN4O
Mol. Weight
458.60
CAS #
68844-77-9
See origin →
Functions
Skin Conditioning
A catch-all term for ingredients that improve how skin looks and feels — softer, smoother, more supple. The workhorse behind most moisturizers.
Conditions Skin
Softens & Smooths
Traditional Use
A synthetic antihistamine developed in the 1970s for medical use; not a traditional cosmetic ingredient and has no historical use in beauty or skincare products.
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
No
Alaria esculenta (sea kelp) extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
Ascophyllum nodosum (kelp) powder
European Commission
EU Cosmetic Ingredient Database (CosIng)
Ascophyllum nodosum [Kelp] Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
Macrocystis Pyrifera (Kelp)
European Commission
EU Cosmetic Ingredient Database (CosIng)
Macrocystis Pyrifera (Kelp) Blade/Pneumatocyst/Stipe Juice Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
Macrocystis Pyrifera (Kelp) Extract
European Commission
EU Cosmetic Ingredient Database (CosIng)
Macrocystis Pyrifera (Kelp) Juice
European Commission
EU Cosmetic Ingredient Database (CosIng)
Macrocystis Pyrifera (Kelp) Protein
European Commission
EU Cosmetic Ingredient Database (CosIng)
Macrocystis Pyrifera (Kelp)
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Macrocystis Pyrifera (Kelp) Protein
Environmental Working Group (EWG)
EWG Skin Deep Cosmetics Database
Physicochemical characterization and cosmetic application of kelp blanching water polysaccharides.
Liu P, Hu J, Wang Q, Tan J, Wei J et al.
International journal of biological macromolecules, 2023
Verified Jun 2026
Data: PubChem · CosIng · EWG · CIR