Hyaluronic Sea Serum
Lightweight hydration that helps skin look smooth and replenished.
OSEA Hyaluronic Sea Serum is a fast-absorbing gel serum designed to deliver deep hydration while supporting a plump, refreshed complexion. Formulated with hyaluronic acid and marine-derived ingredients, it helps attract and retain moisture without heaviness or residue. Ideal for daily use, this serum layers easily under moisturizers and oils, making it well-suited for skin that needs hydration with a light, breathable feel.
Scent: Fragrance free
Sea the Difference™
- Anti-Aging: Reduces the appearance of fine lines and wrinkles with seaweed and antioxidants.
- Hydrates: Hyaluronic acid delivers deep, lasting moisture.
- Plumps: Restores skin’s fullness and improves elasticity.
How: Apply a few drops to slightly damp face and neck. Allow to absorb. Seal in with moisturizer.
When: Use morning and night, after cleanser and before moisturizer.
Pro tip: For added hydration, mist face with Sea Minerals Mist before applying.
Key Ingredients:
- Replenishes and balances the skin’s natural moisture level for healthy, hydrated skin.
- High and low molecular weights work synergistically to boost hydration, fullness and firmness of skin.
- This unique marine ferment effectively plumps and smooths fine lines.
- Forms a hydration layer on skin to seal in moisture.
All Ingredients: Water / Aqua / Eau, Codium Fragile Extract, Betaine, Sodium Hyaluronate, Tremella Fuciformis Sporocarp Extract, Bacillus Ferment, Hydrolyzed Hyaluronic Acid, Glycerin, Sodium Benzoate, Potassium Sorbate, Citric Acid, Lonicera Japonica (Honeysuckle) Flower Extract, Lonicera Caprifolium (Honeysuckle) Flower Extract, Sodium Copper Chlorophyllin
Please be aware that ingredient lists may change or vary from time to time. Please refer to the ingredient list on the product package you receive for the most up to date list of ingredients.
In a third-party clinical study involving 31 women, 100% showed improvement in fine lines and wrinkles, and 97% showed improvement in skin hydration after one use.
Ingredients:
- Free of: petrochemicals, sulfates, parabens or other suspect chemicals
- Synthetic Fragrance Free
Environmental/Social:
- Climate Neutral Certified
- Ocean Positive Certified
- Cruelty Free






