All-In-One Serum 2.0 replaces your entire routine with one step. It's formulated with Retinol, Bakuchiol, Argireline® Peptides, Niacinamide, Vitamin C, Vitamin E, and Ferulic Acid to brighten uneven tone, smooth fine lines, and boost firmness — without the irritation typical retinol serums cause. A lactic + mandelic acid blend gently refines texture while the formula stays gentle enough for sensitive skin: fragrance-free, hypoallergenic, vegan, and cruelty-free. Apply 1-2 pumps to clean skin daily, before moisturizer. Now in a refillable bottle — less waste, same results. Dermatologist reviewed. travel size