Raspberry Seed Oil (Rubus Idaeus) – photo-protective, and provides vitamin E. In Epionce line.

Red Tea Flavenoids – antioxidant. Glytone.

Resveratrol – potent antioxidant extracted from grapes – in Skinceuticals line.

Retinol – OTC retinoid, not requiring prescription from M.D., minimizes fine wrinkle lines, brightens/lightens dark skin spots, evens out skin tone. Will sun sensitize. SkinMedica, Dermalogica, Skinceuticals.

Rosaplex – contains sodium dextran sulfate, zinc PCA, caffeine, sodium glycerophosphate, glycerin for redness – in Neocutis skin line.

Rose Hip Oil – from the foothills of the Chilean Andes mountains, moisturizing, and improves elasticity in skin. Skinceuticals.

Rosemary Leaf Oil (Rosmarinus Officinalis) – antioxidant, sun-protective, anti-inflammatory, antibacterial, anti-viral, anti-cancer. iS Clinical, Jack Black.

Rubus Idaeus – see Raspberry Seed Oil

Ruscus Extract – vasoconstrictor, good for controlling and calming redness.
in Avene Antirougeurs skin line.