
Arencia
A lightweight hydrating serum featuring 8 types of hyaluronic acid, niacinamide, peptides, and ceramides to deeply moisturize and strengthen the skin barrier. Suitable for dehydrated skin seeking intense hydration and plumping effects.
Humectant and solvent that enhances hydration
Humectant that draws moisture to skin
Humectant that attracts and retains moisture
+ 15 more ingredients
Editorial baseline from K-beauty clinical research and community consensus. Real subscriber reports layer on as the community grows.

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The key active ingredients in Deep Water Surge Serum by Arencia include Glycerin (Humectant that attracts and retains moisture), Niacinamide (Vitamin B3) (brightening, pore-minimizing, barrier-support), Potassium Hyaluronate (Humectant that deeply hydrates and plumps skin), Cross-linked Hyaluronic Acid (Advanced humectant with enhanced moisture retention), Hyaluronic Acid Derivative (Advanced humectant with enhanced skin penetration). Drawing on K-beauty research and community consensus, key ingredients show 82% effectiveness for acne in oily skin types. Seoul Sister tracks ingredient effectiveness across 5,800+ K-beauty products to provide data-backed recommendations.
Deep Water Surge Serum is a Korean serum by Arencia. Sensitive skin compatibility depends on individual triggers and allergies. Seoul Sister's AI advisor Yuri analyzes all 20 ingredients against your specific skin type, concerns, and known allergens to provide a personalized compatibility score. Common irritant ingredients like fragrance, alcohol denat, and essential oils are flagged automatically.
For oily skin, the key factors in evaluating Deep Water Surge Serum are comedogenic ingredient ratings, oil content, and finish type. This serum contains 12 active ingredients. Seoul Sister's database cross-references each ingredient's comedogenic rating (0-5 scale) against your skin type to identify potential pore-clogging risks. Subscribe for a personalized oily skin compatibility analysis.
Deep Water Surge Serum by Arencia starts from $18.81 USD for 30mL. Seoul Sister Pro members compare prices across 6+ authorized retailers including Olive Young, Soko Glam, and YesStyle to find the best deal, with automatic price drop alerts.
Deep Water Surge Serum by Arencia is available from authorized K-beauty retailers including Olive Young Global, Soko Glam, YesStyle, and Amazon. Prices start from $18.81 USD. Seoul Sister verifies retailer authenticity and tracks counterfeit indicators to help you buy genuine Korean skincare products.