Choose Allantoin when your skin feels red, irritated, sensitized, over-exfoliated, or reactive. It’s lightweight, calming, and ideal during flare-ups, post-treatment recovery, or while acclimating to actives—especially if heavier creams feel like too much. Choose Marine Skin Nourishment Cream when your skin feels dry, depleted, tight, or lacking elasticity. It’s richer and more nourishing, making it better for chronic dryness, mature skin, barrier repair, or colder months when the skin needs deeper moisture and lipid support.