Cyclopentasiloxane

Cyclopentasiloxane is a cosmetic ingredient used as a skin conditioning - emollient, hair conditioning agent. It appears in about 6% of cosmetic products in our 90,000+ product dataset. It carries no restriction under the EU Cosmetics Regulation annexes. PubMed carries 54 studies of its skin or topical use.

INCI nameCYCLOPENTASILOXANE
FunctionSKIN CONDITIONING - EMOLLIENT, HAIR CONDITIONING, SKIN CONDITIONING, SOLVENT
CAS number541-02-6
EC number208-764-9
Prevalence5,972 products (6.43% of dataset)
Most used inSkincare
EU statusNo annex restriction
Scientific studies54 on PubMed (skin/cosmetic/topical)
Monthly searches5,400

Used in

Sunscreens 15.2%General Moisturizers 14.7%Foundations 8.3%Serums 5.4%Eye Moisturizers 3.9%Face Primers 3.8%

Frequently asked

What does Cyclopentasiloxane do in skincare?
Cyclopentasiloxane functions as a skin conditioning - emollient, hair conditioning agent in cosmetic formulas.
What products contain Cyclopentasiloxane?
It is most commonly found in Skincare products, especially sunscreens (15.2% of its uses).

Manufacturers with experience using Cyclopentasiloxane

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