Free standard shipping on any $35 purchase

Use the following zoom and pan buttons to control the image that follows them

OSEA Hyaluronic Acid Sea Serum #1
OSEA Hyaluronic Acid Sea Serum #1

Tab through the images or use the previous or next buttons to navigate each product image

OSEAHyaluronic Acid Sea Serum

Item 2570020

4.5 out of 5 stars. 669 reviewsQ & A
Size:1.0 oz


Conscious Beauty at Ulta Beauty™

  • Vegan
  • Clean Ingredients
  • Cruelty Free
  • Sustainable Packaging Brand
  • Give Back

OSEA Hyaluronic Acid Sea Serum is a hydrating serum clinically proven to smooth the look of fine lines and wrinkles.



  • Instantly increases hydration
  • Strengthens skin's moisture barrier
  • Visibly lifts and firms
  • Fills the look of wrinkles
  • Minimizes the appearance of all lines: fine lines, wrinkles, crow's feet, laugh lines & frown lines.
  • Sustainably packaged: Bottle is made of frosted glass.

Key Ingredients

  • 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 plumps and smooths fine lines.
  • Snow Mushroom: Forms a hydration layer on skin to seal in moisture.

Research Results

  • Clinically proven to*: instantly increase skin hydration, minimize the look of lines and wrinkles in 2 weeks, and visibly improve skin firmness and elasticity in 2 weeks
  • After 2 weeks**: 100% agreed skin felt softer and smoother, 97% agreed skin felt more supple and elastic, 93% agreed skin felt firmer and bouncy
  • *Based on a third-party clinical study.
  • **Based on a third-party consumer study.

How To Use

After cleansing, apply this plumping serum onto skin to deliver an instant antioxidant boost. Allow to absorb. Seal in with OSEA moisturizer of choice. Use morning + night.

Pro Tip: For additional hydration, layer with Sea Mineral Mist and follow with OSEA moisturizer.


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.

Shipping & Coupon Restrictions

This brand is excluded from most Ulta Beauty coupons.

See brand eligibility details