Loess

Loess is a cosmetic ingredient used as an absorbent, bulking agent. It is used in 11 products in our dataset. It is regulated in the EU (listed in a Cosmetics Regulation annex). PubMed carries 50 studies of its skin or topical use.

INCI nameLOESS
FunctionABSORBENT, BULKING
Prevalence11 products (0.01% of dataset)
Most used inSkincare
EU statusRestricted (annex )
Scientific studies50 on PubMed (skin/cosmetic/topical)
Monthly searches12,100

Used in

Wash Off Masks 36.4%Facial Treatments 18.2%Day Moisturizers 9.1%Face Cleansers 9.1%Foot Cream 9.1%Sheet Masks 9.1%

Frequently asked

What does Loess do in skincare?
Loess functions as an absorbent, bulking agent in cosmetic formulas.
Is Loess allowed in cosmetics?
Yes, but it is regulated in the EU — it appears in a Cosmetics Regulation annex with usage conditions.
What products contain Loess?
It is most commonly found in Skincare products, especially wash off masks (36.4% of its uses).

Manufacturers with experience using Loess

Match with vetted US contract manufacturers that have hands-on experience formulating with this ingredient.