OSEA Hyaluronic Sea Serum | Credo
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OSEA Hyaluronic Sea Serum

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OSEA Hyaluronic Sea Serum


OSEA Hyaluronic Sea Serum

This Product Ships Free! + 30 day returns

Earn 88 points in Credo Rewards

Size: 1 oz / 30 ml

This Product Ships Free! + 30 day returns

Earn 88 points in Credo Rewards

out of stock
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OSEA Hyaluronic Sea Serum

This product is: High-performance hydrating serum that smoothes lines and plumps skin

Good for: All Skin Types

Product Description: This fast-absorbing, concentrated serum smooths the appearance of fine lines and wrinkles. Our newly upgraded formula, powered by two molecular weights of hyaluronic acid, seaweed and snow mushroom, works to restore and maintain optimal moisture levels, keeping your skin hydrated any time of day. Clinically and dermatologist tested.

Clinically Proven to*:
• Instantly increase hydration
• Strengthen skin’s moisture barrier
• Deliver a lifted & firmer look
• Fill the look of wrinkles
• Minimize the appearance of all lines: fine lines, wrinkles, crow’s feet, laugh lines, & frown lines.

Immediately, after 1 use*:
100% showed an increase in hydration
93% agreed skin looked brighter, more radiant & refreshed

After 2 weeks*:
100% agreed skin felt softer & smoother
97% agreed skin felt more supple & elastic
93% agreed skin felt firmer, plumper, & bouncy

After 4 weeks*:
97% agreed it minimized the look of fine lines & wrinkles
90% agreed expression & emerging lines appear less visible

*Based on a 4-week third-party clinical study of 32 women ages 37-65 (including; expert skin grading, instrumental measurements & consumer perception study).



  • Japanese Miru Seaweed: Replenishes and balances the skin’s natural moisture level for healthy, hydrated skin.
  • 2X Hyaluronic Acid: High and low molecular weights work synergistically to boost hydration, fullness and firmness of skin.
  • Volcanic Marine Ferment: This unique marine ferment effectively plumps and smoothes fine lines.
  • Snow Mushroom: Forms a hydration layer on skin to seal in moisture.


After cleansing, apply Hyaluronic Sea Serum over skin. Allow to absorb. Seal in with OSEA moisturizer of your choice. Use morning and night.

Pro Tip: For added hydration, dampen skin with Sea Mineral Mist before applying serum.

Click an ingredient for more info

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.

This product is fragrance free.

All products are cruelty-free and formulated without ingredients on The Dirty List™️. At Credo, "clean" goes even deeper. Learn more.

Gluten Free Alcohol Free Vegan Soy Free

Inspired by her grandmother’s lifelong love of the sea, Jenefer Palmer set out to share her passion through a plant-based skincare line infused with elements of the ocean. Distraught by the harmful chemicals she found in other products, Palmer resolved to craft her formulas with non-toxic, nourishing ingredients. While OSEA has now expanded into a world-renowned skincare line, their commitment has stayed the same—producing effective, wholesome products as pure as the ocean itself.

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