34 Reddit-Picked Dupes for Dr. Althea Aqua Marine Deep Serum

Hydrating, lightweight watery serum with added hyaluronic acid and soothing ingredients

Essentially just centella extract and glycerin—minimalist, soothing formula for irritated skin

High beta glucan concentration for deeper hydration than HA

Includes panthenol and glycerin for better moisture retention than pure HA

Combines 10% niacinamide with 4% tranexamic acid for targeted brightening and oil regulation

Thick, soothing formula great for barrier support and dryness relief

Propolis calms inflammation and redness, helping eczema-prone and sensitive types

Ferment blend smooths texture and softens skin noticeably

Lightweight, cushiony emulsion texture layers well under moisturizers