"Olay Regenerist AHA + Peptide 24 Resurfacing Serum ($30-$40 range) is a lightweight, fragrance-free formula designed to resurface skin texture, reduce fine lines, and boost radiance. Key ingredients include Alpha Hydroxy Acid (AHA) (typically Lactic Acid) to gently exfoliate, peptides to boost collagen, and Niacinamide (Vitamin B3) for hydration. It absorbs quickly without being greasy, making it suitable for daily use under makeup. "