Is Magnesium PCA safe in cosmetics?
Magnesium PCA has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Magnesium PCA
INCI: MAGNESIUM PCA
Magnesium PCA (CAS 6342-09-2) is a cosmetic cosmetic ingredient functioning as Skin conditioning agent, humectant. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 6342-09-2 →
Auto-generated CPSR Part A draft with source citations
Function
Skin conditioning agent, humectant
Safety Rating
GOOD
Chemistry & Identifiers
IUPAC Name
3-[(3-carboxy-5-chloro-2-hydroxyphenyl)methyl]-5-chloro-2-hydroxybenzoic acid
InChIKey
MYWSNMYFEXILSQ-UHFFFAOYSA-N
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted. CIR reviewed PCA and salts (including Mg PCA): safe as used. Must not be used in products containing nitrosating agents.
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Magnesium PCA.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Magnesium PCA.
Frequently Asked Questions
Is Magnesium PCA allowed in the EU?
Magnesium PCA EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Magnesium PCA do in cosmetics?
Magnesium PCA functions as: Skin conditioning agent, humectant. It is classified as a cosmetic ingredient in our database. CAS number: 6342-09-2.
Compliance Tools
Check Magnesium PCA compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
Related Ingredients
Alanyl Glutamine
Excellent
Same category
Skin conditioning, humectant
Aloe Barbadensis Leaf Polysaccharides
Excellent
Same category
Humectant, skin conditioning
Aloe Barbadensis Leaf Water
Excellent
Same category
Skin conditioning, humectant
Alpha-Glucan
Excellent
Same category
Skin Conditioning, Film Forming, Hume...
Ammonium Hydrolyzed Collagen
Excellent
Same category
Antistatic; film forming; hair condit...
Arabinose
Excellent
Same category
Humectant / Moisturizing agent; promo...
(AGARICUS BLAZEI FERMENT + GANODERMA LUCIDUM FERMENT + GANODERMA MULTIPILEUM FERMENT) EXTRACT
Good
Similar safety
Anti-sebum, Antioxidant, Skin Protecting
(ANGELICA ACUTILOBA/PAEONIA LACTIFLORA/REHMANNIA GLUTINOSA) ROOT/CNIDIUM OFFICINALE RHIZOME EXTRACT
Good
Similar safety
Skin Conditioning, Skin Conditioning ...
(ANGELICA ACUTILOBA/PAEONIA LACTIFLORA/REHMANNIA GLUTINOSA/SCUTELLARIA BAICALENSIS) ROOT/(CNIDIUM OFFICINALE/COPTIS CHINENSIS) RHIZOME/GARDENIA JASMINOIDES FRUIT/PHELLODENDRON CHINENSE BARK EXTRACT
Good
Similar safety
(ANGELICA GIGAS/GLYCYRRHIZA URALENSIS/REHMANNIA GLUTINOSA ROOT)/ANGELICA GIGAS STEM/CARTHAMUS TINCTORIUS FLOWER/(CARTHAMUS TINCTORIUS/PRUNUS PERSICA SEED)PORIA COCOS WATER
Good
Similar safety
Humectant, Skin Conditioning, Skin Pr...
(ANGELICA KEISKEI/CHRYSANTHEMUM ZAWADSKII) LEAF/STEM/CINNAMOMUM CASSIA BARK/TRICHOSANTES KIRILOWII FRUIT/ULMUS DAVIDIANA BARK/ROOT/(PAEONIA JAPONICA/BUPLEURUM FALCATUM/POLYGALA TENUIFOLIA ROOT)/VISCUS ALBUM STEM EXTRACT
Good
Similar safety
Anti-seborrheic, Anti-sebum, Antioxid...
(APPLE/CITRUS JUNOS/LENTIL/PEAR/PUMPKIN/STRAWBERRY/TOMATO FRUIT)/CORN KERNEL/(ARCTIUM LAPPA/BRASSICA OLERACEA ACEPHALA/CABBAGE/CAMELLIA SINENSIS/MORINGA OLEIFERA/RADISH/SPINACH LEAF)/(SORGHUM BICOLOR LEAF/STEM)/OAT MEAL/POTATO PULP/(CARROT/NELUMBO NUCIFERA/RADISH/WILD YAM ROOT)/(AMARANTHUS HYPOCHONDRIACUS/CASHEW/CICER ARIETINUM/COIX LACRYMA-JOBI MA-YUEN /MACADAMIA TERNIFOLIA/PHASEOLUS ANGULARIS/PISTACIA VERA/RHYNCHOSIA NULUBILIS/RICE/SESAME/SETARIA ITALICA/SOYBEAN/SWEET ALMOND/WHEAT SEED)/HORDEUM VULGARE SPROUT/CYPERUS ESCULENTUS TUBER/ARTEMISIA PRINCEPS/BROCCOLI/CHENOPODIUM QUINOA/ENTEROMORPHA COMPRESSA/HORDEUM VULGARE/IPOMOEA BATATAS/LAMINARIA JAPONICA/LENTINUS EDODES/PLEUROTUS OSTREATUS/PORPHYRA TENERA/UNDARIA PINNATIFIDA EXTRACT
Good
Similar safety
Antioxidant
MALPIGHIA GLABRA CALLUS EXTRACT
Good
Browse nearby
Skin Conditioning, Skin Protecting
MALPIGHIA GLABRA FRUIT
Good
Browse nearby
Skin Conditioning
MALPIGHIA PUNICIFOLIA FRUIT
Good
Browse nearby
Astringent, Skin Protecting, Tonic
Is Magnesium PCA in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Magnesium PCA in your formulation.