INCI · other · CIR review pending · used in 4 products
Hydroxypropyl Cyclodextrin
Hydroxypropyl Cyclodextrin is a hydroxypropyl ether derivative of beta-cyclodextrin with CAS numbers 128446-33-3 / 128446-35-5. It is a bucket- or donut-shaped molecule featuring a water-loving (hydrophilic) outer side and an oil-loving (lipophilic) inner cavity. In cosmetics, it is used primarily to encapsulate other active ingredients, as well as for masking and skin conditioning functions per CosIng.
Evidence level
weakEWG score
—Comedogenic
—Category
other● Benefits
Its primary established role in cosmetics is as an encapsulant for other actives, which can improve their stability and delivery into the skin. It also provides skin conditioning and masking functions as listed in the official CosIng database. The source does not detail standalone skin benefits beyond these functional roles.
encapsulationskin-conditioningmasking
● Cautions
