OSEA Hyaluronic Sea Serum | Deeply Hydrating Hyaluronic Acid Serum

Give thirsty skin a refreshing drink of hydration with OSEA Hyaluronic Sea Serum, a lightweight, fast-absorbing facial serum designed to replenish moisture, visibly plump skin, and smooth the appearance of fine lines. Known as a moisture magnet, this concentrated formula attracts water-based hydration to the skin for a dewy, supple, healthy-looking complexion.

Powered by three molecular weights of Hyaluronic Acid and three nutrient-rich seaweeds, this hydrating serum helps maintain optimal moisture levels while improving the appearance of skin firmness and elasticity. Perfect for all skin types, especially dehydrated skin, its lightweight, water-based formula delivers lasting hydration without heaviness or a greasy finish.

Why You'll Love It

• Intense hydration: Attracts and retains moisture for softer, plumper-looking skin

• Triple Hyaluronic Acid: Three molecular weights help hydrate different layers of the skin's surface

• Smooths fine lines: Helps visibly soften dehydration lines

• Plumping effect: Gives skin a fuller, more supple appearance

• Visibly lifts: Helps improve the appearance of firmness

• Seaweed-powered: Mineral-rich marine botanicals nourish and hydrate

• Lightweight formula: Absorbs quickly without a heavy or oily finish

• All skin types: Ideal for dry, oily, combination, mature, and dehydrated skin

Key Ingredients

• Hyaluronic Acid: A powerful humectant that attracts water to the skin, helping improve hydration and visibly plump fine lines.

• Sodium Hyaluronate: A form of hyaluronic acid that helps replenish moisture and maintain a smooth, supple complexion.

• Gigartina Skottsbergii Extract: A nutrient-rich red seaweed that helps hydrate and condition skin.

• Macrocystis Pyrifera Extract: Giant kelp that provides mineral-rich nourishment and supports healthy-looking skin.

• Undaria Pinnatifida Extract: A marine botanical that helps maintain hydration and improve skin softness.

How to Use

Apply a few drops to clean skin after cleansing and toning. Gently press into the face and neck until absorbed.

Follow with your favorite moisturizer or facial oil to help seal in hydration.

Use morning and evening for best results.

Sprig Beauty Tip: If your skin feels tight, looks dull, or shows fine lines that become more noticeable when you're dehydrated, this serum is a beautiful addition to your routine. Apply it to slightly damp skin after OSEA Sea Minerals Mist, then follow with moisturizer to help lock in that plump, dewy glow.

Best For: All skin types, especially dehydrated, dry, dull, and mature skin.

Texture: Lightweight, fast-absorbing water-based serum

Size: 1 oz / 30 mL

Aqua, Gigartina Skottsbergii Extract, Macrocystis Pyrifera Extract, Undaria Pinnatifida Extract, Sodium Hyaluronate, Hyaluronic Acid, Potassium Sorbate, Citric Acid, Lonicera Caprifolium Extract, Lonicera Japonica Extract, Chlorophyll.