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What is Polyglyceryl-4 Oleate?

Surfactant, emulsifying

Polyglyceryl-4 Oleate is an emulsifier that mixes oil and water into one texture.

This ingredient is listed in CosIng, the EU's cosmetic ingredient database. CosIng lists what it's used for as: Surfactant, emulsifying.

CosIng function classes are the EU's standard list of the jobs an ingredient does inside a product, such as moisturizing, emulsifying, or preserving.

Anything to watch out for?

Some products' ingredient lists mark this ingredient as below. If a mark's reason fits your skin, it is the ingredient to weigh in those products.

This is a fungal-acne trigger, one of the ingredients people with fungal acne avoid.
Marked this way on 32 products.
This ingredient is on pore-clogging ingredient lists, which matters most for skin that breaks out easily.
Marked this way on 2 products.

Each mark comes from matching the product's full ingredient list against lists for fragrance, labeled fragrance allergens, drying alcohols, essential oils, fungal acne, pore clogging, and pregnancy caution.

Which products feature it?

One of the 2320 products we've checked features this as a key ingredient.

Showing 1 to 1.

  • Product photo of Rose Spa Cleansing Oil

    RELAXLY

    Rose Spa Cleansing Oil

    It's made for better hydration.

    Key: Polyglyceryl-4 Oleate (#3 on the ingredient list), Helianthus Annuus (Sunflower) Seed Oil, Glycine Soja (Soybean) Oil

    Official (Korean)
    7 claims, summarized
    Only partly backed:
    better hydration
    Don't count on:
    better barrier support
    Tests passed:
    skin irritation
    See each claim

    claims, checked

    • A fresh rinse with no residue feeling through proprietary 3-stage emulsification.partly backed
    • Makeup Removal Rate 93.50%partly backed
    • Transepidermal Water Loss (TEWL) reduction, 11.95% decreasepartly backed
    • Immediate Skin Hydration increase right after washing, 72.40% increasepartly backed
    • Primary Irritation Score on sensitive skin (Human Patch Test) 0.00 (Low Irritation)partly backed
    • Plant-derived polyglyceryl, ceramide and organic rose improve moisture and the barrier without skin irritation.overstated
    • Sunscreen Removal Rate 94.48%overstated