PCA
Pyrrolidone Carboxylic Acid
Also known as: pca
PYR
2/10
Concern level
Low concern
PCA (Pyrrolidone Carboxylic Acid) is a natural moisturizing factor that helps to maintain skin hydration and elasticity. It is often used in skincare products for its humectant properties.
Benefits
Moisturizing
Chemical Properties
Molecular Weight
115.09 g/mol pH Range
4.00 - 7.00Typical Concentration
0.50% - 5.00%CAS Number: 103-09-3
Skin Type Compatibility
dry skin9/10
oily skin6/10
sensitive skin7/10
acne prone6/10
mature skin8/10
normal skin8/10
Risks & Warnings
Generally safe; however, excessive use may lead to skin dryness.
Vegan Cruelty-Free
Found In Products
The Ordinary
Squalane + Amino Acids Hydrating Lip Balm, for Lips, Elbows, and Cuticles
Evereden
Kids & Teen Multi-Vitamin Hydrating Face Mist with Vitamin B5 & B3 (Niacinamide)
Evereden
Kids & Teen Multi-Vitamin Face Cream with Vitamin E, B3, B5 (Niacinamide) & Squalane
CYKLAR
Ceramide Milky Essence for Full-Body Hydration
The Ordinary
The Acne Set with Salicylic Acid
AESTURA
ATOBARRIER365 Milky Hydro Essence with Hydrating Ceramides for Skin Moisture Barrier Repair
Dermalogica
Daily Microfoliant — Salicylic Acid Powder Exfoliator for Pores, Spots & Uneven Skin Tone | Rice Enzyme + BHA | Gentle Enough for Daily Use
Dermalogica
Daily Microfoliant Exfoliator Refill Pack
JOSIE MARAN
Topless Tangerine - Hydrating + Cleansing Argan Refillable Body Wash
JOSIE MARAN
Vanilla Vibezzz - Hydrating + Cleansing Argan Refillable Body Wash
JOSIE MARAN
Mini Vanilla Vibezzz - Hydrating + Cleansing Argan Refillable Body Wash
JOSIE MARAN