Sodium Polyaspartate
Sodium Polyaspartate is a humectant and skin conditioning ingredient. It’s in 8 products on Poliage, most often conditioner, concealer and foundation. Avoid lists on Poliage that include it: none.
Updated October 22, 2026
What it does
Contains Sodium Polyaspartate: hair-conditioning
Function listed in CosIng
Contains Sodium Polyaspartate: humectant
Function listed in CosIng
Contains Sodium Polyaspartate: skin-conditioning
Function listed in CosIng
Source: CosIng, the European Commission cosmetic ingredient database, ref 79999, accessed October 22, 2026.
Products that contain Sodium Polyaspartate
Clinique
Clinique Moisture Surge 100H Auto-Replenishing Hydrator 75 ml
Lists silicones
Medik8
Crystal Retinal
Serum · Lists fragrance allergens, retinoid, essential oils
Clinique
Even Better All-Over Concealer + Eraser
Concealer · Lists exfoliating acid, silicones, salicylic acid
Clinique
Even Better Refresh Hydrating and Repairing Makeup
Foundation · Lists exfoliating acid, silicones, salicylic acid
SHEGLAM
Locked in Strong Hold Twist & Braid Gel
Hair styling · Lists fragrance, drying alcohol, parabens, coconut derivatives
Olaplex
Nº.5 BOND MAINTENANCE STRENGTHENING CONDITIONER LITER
Conditioner · Lists fragrance, fragrance allergens, silicones, chemical UV filters
Olaplex
Nº.5 BOND MAINTENANCE STRENGTHENING CONDITIONER TRAVEL SIZE
Conditioner · Lists fragrance, fragrance allergens, silicones, chemical UV filters
K18
TripleBright oxidation defense purple shampoo
Shampoo · Lists fragrance, fragrance allergens, essential oils, coconut derivatives
Related guides
How to read an ingredient list
What the ingredient list on a beauty product tells you, what the names mean, and what it leaves out, using FDA and EU labeling rules.
Does ingredient order show how much is in a product?
Ingredient lists run from most to least, but only down to 1%. Below that, any order is allowed. What the order shows and what it hides.
How do you patch test a new product?
What the AAD, FDA and DermNet say about testing a small area, the FDA hair dye skin test, in-office patch tests, and contact allergy basics.