"A retinol serum, however, contains a higher concentration of retinol than a night cream with retinol, allowing it to penetrate deeper into the skin. This makes it more effective but also more ...

Retinol cream vs. serum | Best retinol creams | Best ... Five-star worthy: Olay Regenerist Retinol 24 Night Moisturizer ...

Chief among the year's best beauty deals is the Olay Regenerist Retinol 24 + Peptide Night Face Moisturizer. The anti-aging night cream has earned an "Amazon's Choice" designation and hundreds of five ...