INCI · other · CIR review pending · used in 1 products
Proline(300 Ppm)
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 variety of skincare and haircare formulations, typically at low concentrations.
Evidence level
weakEWG score
—Comedogenic
—Category
other● Benefits
As a key collagen building block, proline may support skin structure. When combined with other amino acids such as glycine and leucine, it might help improve the appearance of wrinkles, according to the source.
skin-identicalanti-aginghydratingbarrier-support
● Cautions
