Paula's Choice Resist Barrier Repair Moisturiser with Retinol If you are a retinol beginner, the Paula's Choice Resist Barrier Repair Moisturiser with Retinol ($33) is a great option to start you off while keeping your moisture barrier hydrated and intact. Image Source: sephora.com Paula's Choice Resist Barrier Repair Moisturiser with Retinol $33 from sephora.com Buy Now