Researched by Helena DeMaria-Williams
Formula IngredientHumectantSodium PCA
INCI: Sodium PCA
Sodium PCA (sodium pyrrolidone carboxylic acid) is the sodium salt of pyrrolidone carboxylic acid, a component of the skin's natural moisturising factor (NMF). It is a powerful humectant that attracts and retains water in the stratum corneum, making it one of the most effective natural hydrating ingredients available.
Category
Humectant
Irritation Risk
Low
Skin Types
all skin types, dry skin, dehydrated skin, sensitive skin, acne-prone skin
What does this do in a formula?
intense hydration, moisture retention, humectant, skin conditioning, NMF replenishment
Is Sodium PCA safe? Key considerations
Can Sodium PCA cause irritation?
Low RiskIrritancy rating of 0. One of the gentlest cosmetic ingredients. Well tolerated by all skin types including sensitive skin. No EU CosIng Annex restrictions.
Does Sodium PCA increase sun sensitivity?
No RiskDoes not increase photosensitivity.
Is Sodium PCA safe during pregnancy?
SafeSkin-identical ingredient naturally found in human skin. Widely considered safe during pregnancy.
How does Sodium PCA work?
Sodium PCA (sodium pyrrolidone carboxylic acid) is the sodium salt of pyrrolidone carboxylic acid, a component of the skin's natural moisturising factor (NMF). It is a powerful humectant that attracts and retains water in the stratum corneum, making it one of the most effective natural hydrating ingredients available.
Which products contain Sodium PCA?
Shop products that contain Sodium PCA
PRO Itch Prone Skin Body Wash
Glycolic Acid 7% Exfoliating Toner
Multi-Peptide + Copper Peptides 1% Serum
Squalane + Amino Acids Lip Balm
Natural Moisturizing Factors + HA
Natural Moisturizing Factors + PhytoCeramides
Multi-Peptide + HA Serum
Natural Moisturizing Factors + Beta Glucan
Natural Moisturizing Factors + Inulin Body Lotion
Marine Hyaluronics
Amino Acids + B5
