RBP3 plays a key role in delivering all-trans-retinol (at-ROL) from photoreceptors to the retinal pigment epithelium, where it is converted into 11-cis-retinal (11c-RAL), a key molecule for vision ...

Retinol is part of a group of vitamin-A-derived chemical compounds called retinoids. Retinoids boost the production of collagen , a protein that can improve the look of wrinkles.

Retinol also stimulates the production of collagen (a key protein that creates a scaffolding that keeps skin firm and elastic) and fibroblasts (cells that produce collagen and support skin structure).

Authors of the paper "CryoEM structure and small-angle X-ray scattering analyses of porcine retinol-binding protein 3": Vineeta Kaushik, Luca Gessa, Nelam Kumar, Matyáš Pinkas, Mariusz Czarnocki ...

Retinol benefits. A 2015 study in the Journal of Cosmetic Dermatology concluded that "topical application of retinol significantly affects both cellular and molecular properties of the epidermis ...