A concentrated hydration serum from the Deep Water Surge line, formulated to deliver a powerful surge of deep, multi-layered moisture to dehydrated, dull, or barrier-compromised skin. Arencia's Deep Water Surge Serum is the intensive treatment step of the Deep Water Surge routine — designed to be layered before the Deep Water Surge Soothing Cream to maximize hydration depth and soothing efficacy, or used alone as a lightweight moisture-boosting serum under any moisturizer or SPF.

Key Benefits

• Deep Multi-Layer Hydration — Multi-weight hydration actives penetrate sequentially through different depths of the skin — from the surface to the deeper dermal layers — delivering both an immediate surface hydration effect and sustained deep moisture replenishment that standard single-layer serums cannot achieve.
• Intensive Soothing & Barrier Repair — Soothing botanical actives calm redness, reduce sensitivity, and support the repair of a compromised skin barrier — restoring the skin's natural ability to retain moisture and resist environmental triggers over time.
• Plumps & Smooths Dehydration Lines — Concentrated hydration delivery visibly plumps fine lines caused by dehydration and restores a smooth, bouncy skin texture, particularly around areas prone to dehydration such as the under-eye area, nasolabial folds, and forehead.
• Lightweight Serum Texture — Fast-absorbing, non-sticky serum texture layers seamlessly under moisturizer, SPF, or the Deep Water Surge Soothing Cream without disrupting the rest of the routine — adding intensive hydration without heaviness or greasiness.
• Primes Skin for Subsequent Steps — Applied before moisturizer, the serum creates an optimally hydrated base that enhances the absorption and efficacy of subsequent skincare steps, maximizing the overall performance of the routine.

How to Use

After toner, apply 2–3 drops to the palms, warm between hands, and gently press over the face and neck. Allow to absorb fully before applying moisturizer or SPF. Can be layered with other serums — apply from thinnest to thickest consistency. Use morning and evening for best results. For intensive hydration, layer directly before the Deep Water Surge Soothing Cream.

Key Ingredients

• Multi-Weight Hyaluronic Acid — surface and deep-layer hydration, moisture retention, and skin plumping
• Botanical Soothing Complex — redness reduction, anti-inflammatory, and skin calming
• Panthenol (Vitamin B5) — skin repair, moisture retention, and barrier support
• Ceramides — barrier reinforcement and moisture sealing

Product Details

• Volume: 30ml
• Skin Type: All skin types, especially dehydrated, sensitive, and oily-dehydrated skin
• Brand: Arencia
• Origin: Korea