INCI · other · CIR review pending · used in 9 products
Proline
Proline is a non-essential amino acid, meaning the human body can produce it on its own. It is one of the major building blocks of collagen, making it a skin-identical ingredient. It is found in a wide range of skincare and haircare formulations.
Evidence level
weakEWG score
—Comedogenic
—Category
other● Benefits
As a key collagen building block, proline supports the skin's structural integrity. When combined with other amino acids such as glycine and leucine, it may help improve the appearance of wrinkles.
skin-identicalanti-aginghydratingbarrier-support
● Cautions
