A Gentle Retinol: Drunk Elephant A-Gloei Retinol Oil The Drunk Elephant A-Gloei Retinol Oil ($72) is a great product to kick off your retinol journey. It contains 0.5 percent retinol in a blend of ceramides and marula oil, so that you can get the benefits of retinol with out the flaky skin and sensitivity. Image Source: sephora.com Drunk Elephant A-Gloei Retinol Oil $72 from sephora.com Buy Now