Propanediol is a solvent and viscosity controller that shows up in a lot of formulas. It dissolves other ingredients so they can actually mix together, and it helps adjust how thick or thin a product feels. You'll find it in serums, toners, and moisturizers where the texture needs to be just right. It's also a humectant, meaning it can draw a little moisture to the skin, though it's usually in there for the formulation work rather than as a star ingredient. It's derived from corn and is generally well tolerated. If you're sensitive to solvents, it's worth noting, but most people don't have issues with it.
Ingredient
Propanediol
Listed functions (EU CosIng): solvent, viscosity controlling
Products with Propanediol
11 active products. Cards link to a dupe page where one exists.
CeraVe
Eye Repair Cream
Eye cream · 14.8 ml
CeraVe
Hydrating Mineral Sunscreen SPF 30 Face Lotion
Sunscreen · 70.9 g
Naturium
Niacinamide Serum 12% Plus Zinc 2%
Serum · 30 ml · $17.00
Prices checked today
The Inkey List
Caffeine Eye Cream
Eye cream · 15 ml · $14.00
Prices checked today
Naturium
BHA Liquid Exfoliant 2%
Toner · 120 ml · $19.00
Prices checked today
The Ordinary
Hyaluronic Acid 2% + B5 (with Ceramides)
Serum · 30 ml · $9.90
Prices checked today
Good Molecules
Good Molecules Hyaluronic Acid Serum 30ml
Serum · 30 ml · $6.00
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The Inkey List
10% Niacinamide Serum
Serum · 30 ml · $13.00
Prices checked today
The Inkey List
Hyaluronic Acid Serum - 30ml
Serum · 30 ml · $13.00
Prices checked today
The Inkey List
Starter Retinol Serum
Serum · 30 ml · $15.00
Prices checked today
Blue Lizard
Blue Lizard Sensitive Mineral SPF 50 Sunscreen Lotion
Sunscreen · 141.8 g · $14.99
Prices checked today
This is general information about ingredients and prices, not medical advice. Patch test new products and talk to a dermatologist about skin conditions.