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SEA WATER EXTRACT: INCI Ingredient

Last update on Jul 2, 2026

Sea Water Extract is a natural marine-derived ingredient rich in essential minerals (magnesium, potassium, calcium, sodium), trace elements, and other bioactive compounds. It is valued for its remineralizing, hydrating, and soothing properties. This extract helps replenish skin minerals, support the skin barrier, and provide a refreshing, balancing effect. It is commonly used in toners, moisturizers, masks, after-sun products, and spa-inspired skincare lines for healthy, revitalized skin.

CAS Number: Chem/IUPAC Name: Maris aqua extractEINECS/ELINCS No: COSING REF No: 83498

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What is SEA WATER EXTRACT used for?

  • Skin conditioning: Supplies minerals that support skin hydration and balance. Frequently used in moisturizers, toners, and creams for improved skin feel.
  • Skin protecting: Helps strengthen the skin barrier and protect against environmental stress. Ideal for mineral-rich protective and soothing formulations.
  • Soothing & refreshing: Calms irritated skin and provides a cooling sensation. Common in after-sun products, mists, and sensitive skin treatments.

Origin

Sea Water Extract is obtained from purified or concentrated seawater collected from clean ocean sources. The water is filtered, concentrated, or processed to preserve its natural mineral content. It is a renewable marine ingredient widely used in natural, mineral-based, and thalassotherapy-inspired cosmetic products.

What does SEA WATER EXTRACT do in a formulation?

SKIN CONDITIONING|
SKIN PROTECTING|
SOOTHING

Safety Profile

Sea Water Extract is considered safe for cosmetic use with a low hazard rating from EWG (1). It is generally well-tolerated across skin types. Individuals with extreme sensitivity to iodine or marine allergens should exercise caution. Approved by the EU COSING database for skin conditioning and skin protecting functions in rinse-off and leave-on products.

SEA WATER EXTRACT alternatives

SEA WATER EXTRACT technical profile

PropertyValues
Boiling Point~100°C
pH7.0 - 8.5
SolubilityFully soluble in water
ViscosityLow