SODIUM PCA

CAS: 28874-51-3 · EC: 249-277-1
Humectant Skin Conditioning
CosIng Ref: 79910
💡 For reference only. Does not constitute medical advice.
Description
This naturally-occurring humectant draws moisture from the environment and helps maintain optimal hydration levels in the skin. It's commonly used in moisturizers and serums to improve skin texture and prevent dryness by forming a protective barrier that reduces water loss. The ingredient has an excellent safety profile and is well-tolerated by all skin types, including sensitive skin.
Synonyms
소듐피씨에이 (ko) PCA-Na (ja) Sodium 5-oxo-2-pyrrolidinecarboxylate
Properties
✗ Fragrance ✗ Preservative ✗ Colorant
Safety Rating
INTERNAL 1/10 · Very Safe
Natural moisturising factor component

Found in products

Total: 1235
Product Brand Occurrences
Travel Size Shaper Plus Extra Hold Hairspray Sebastian 2
Ultimate Brushless Shave Cream - White Eagle - 5.0 oz Kiehl's Since 1851 2
Ultra Gentle Cream-to-Foam Face Cleanser with Colloidal Oatmeal + Glyc First Aid Beauty 2
Ultra Light Styling Cream + Wand KRISTIN ESS HAIR 2
Ultra Repair Hydration Boost Serum with Colloidal Oatmeal + Hyaluronic First Aid Beauty 2
Urea Foot Foam Eucerin 2
UreaRepair Plus 10% Urea Foot Cream 100ml Eucerin 2
Vichy Aqualia Thermal Gel Cream 50ml Vichy 2
Vichy Minéral 89 100H Hyaluronic Acid Rich Cream 50ml Vichy 2
Vita C Strengthening Conditioner - 8.0 oz AG Care 2
WELLAGE Real Hyaluronic Blue 100 Ampoule 75ml Double Pack (+Mask Sheet 1ea) WELLAGE 2
Wild Marula™ Tangle Spray Drunk Elephant 2
ZEROID Foaming Cleanser 240ml Refill Set ZEROID 2
Ziaja Cleansing Foam Wash for Dry and Sensitive Skin 150ml Ziaja 2
111Skin Hyaluronic Acid Aqua Booster 20ml 111SKIN 1
★2025 Awards★ Seapuri Dr.33 Hair Ampoule 20ml Limited Triple Set Seapuri 1
24-7 Power Swipe Hydrating Day & Night Treatment Eye Balm TULA 1
24-7 Ultra Hydration Triple-Hydra Complex Day & Night Serum TULA 1
2-Step Lash System Set Grande Cosmetics 1
3-In-1 Leave-In Conditioner Divi 1
Abib Sunscreen Tube 50ml (3 Types) Abib 1
Acne Fighting Body Wash With 2% Salicylic Acid Pacifica 1
Active Glow Kit: Moisture Surge Hydrating Skincare Gift Set Clinique 1
AF1 Restructuring 10-in-1 Leave-In Conditioner Andrew Fitzsimons 1
After Party Super Smoothing Cream - 3.38 oz Bed Head 1
Agave & Lavender Hair Bath - Lavender Design Essentials 1
Age Perfect Serum Le Duo L'Oréal 1
AHA Deodorant - Tidal Rose Billie 1
Algenist GENIUS Ultimate Anti-Aging Eye Cream 15ml Algenist 1
All About Clean Foaming Facial Soap Clinique 1
All Clear Anti-Breakout Cleanser Bubble 1
All In Restorative Leave-In Conditioner - 8.5 oz Isima 1
Alterna Caviar Anti-Aging Replenishing Moisture 147 ml Alterna 1
AM Facial Moisturizing Lotion SPF 50 CeraVe 1
Amphora Aromatics Jasmin, Mimosa & Rosehip Cream 60ml Amphora Aromatics 1
Anastasia Beverly Hills Brow Freeze Styling - Brow wax Clear (8g) Anastasia Beverly Hills 1
Anastasia Beverly Hills Glidr Shadow Stick Anastasia Beverly Hills 1
ANSWR At-home Keratin Treatment Kit ANSWR 1
Antioxidant Mist Original Size Pixi Beauty 1
Antioxidant Mist Petite Size Pixi Beauty 1
Antioxidant Tonic Original Size Pixi Beauty 1
Antioxidant Tonic Preserving Serum-Toner Pixi 1
Antioxidant Tonic Travel Size Pixi Beauty 1
Anti-Wrinkle Retinol Scrub with Glycolic Acid DERMA E 1
A-Passioni Retinol Cream Drunk Elephant 1
A Perfect World™ Origins 1
Après Skin Rich Rescue Barrier Moisturizer with Ceramides OLEHENRIKSEN 1
ARKIVE The Good Calmer Cushioning Moisture Cream 180ml Arkive 1
Aveda Botanical Kinetics Energizing Eye Creme 15ml Aveda 1
Aveda Botanical Kinetics Hydrating Lotion 150ml Aveda 1
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