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What is Sea Salt?

Abrasive

Sea Salt is an abrasive that polishes away surface debris.

This ingredient is listed in CosIng, the EU's cosmetic ingredient database. CosIng lists what it's used for as: Abrasive, Humectant, Skin conditioning.

CosIng function classes are the EU's standard list of the jobs an ingredient does inside a product, such as moisturizing, emulsifying, or preserving.

Which products feature it?

2 of the 2320 products we've checked feature this as a key ingredient. Products that disclose a concentration or list it near the top of the ingredient list come first.

Showing 1 to 2.

  • cecith

    Waterlock First Serum

    It's made for better hydration.

    Key: Sea Salt (#10 on the ingredient list), Jojoba Seed Oil, Hyaluronic Acid

    Official (Korean)
    41 claims, summarized
    Only partly backed:
    better hydration (amount unknown)
    Don't count on:
    better barrier support
    Tests passed:
    hypoallergenic · skin irritation
    See each claim

    claims, checked

    • STEP 2 Drawing in moisture: 10-fold hyaluronic acid / With 10-fold hyaluronic acid subdivided by molecular size, a stepwise moisturizing design that fills every skin layer without gapsbacked by evidence
    • Sesed Water Lock First Serum is not a foam for the sake of foaming.backed by evidence
    • Sesed Water Lock First Serum is a bubble created by gently pushing up a two-phase formulation containing oil and water together through the physical structure of a pump container. The foaming is the normal feel of Water Lock First Serum.backed by evidence
    • Unlike high concentrations where cleansing power is expressed, Sesed used only an extremely small amount of 0.3% or less in total, solely for emulsification · stabilization purposes.backed by evidence
    • High-content cleansing surfactants / SLS SLES / ethanol / siliconebacked by evidence
    • Low-irritation test completedbacked by evidence
    • A. If abnormal symptoms or side effects such as red spots, swelling, or itching occur on the used area during or after use of the cosmetic, or due to direct sunlight, consult a specialist, etc.backed by evidence
    • What matters is which surfactant ingredient was used, for what purpose, and how much.backed by evidence
    • Moisture serum that fills, without any chance to dry, the moisture golden time that begins right after facial cleansingplausible, not tested
    • After more than 20 rounds of sampling, we formulated it in a form that delivers stable emulsifying power with the smallest amount.plausible, not tested
    • FSC-certified eco-friendly paper & soy ink for sustainable beauty and forest protectionplausible, not tested
    • We did not compromise. Completed after over a year of development and dozens of rounds of sampling.plausible, not tested
    • For dry skin, layer 5-7 times in small amounts. When reapplied after absorption, the moisture sensation rises even deeper.plausible, not tested
    • For oily/combination skin, lightly layer 2-3 times. Fill with moisture only and finish fresh.plausible, not tested
    • * FSC certification: An international certification with 10 principles and 56 standards including biodiversity preservation of forests, an eco-friendly certification mark granted to paper and goods produced sustainably.plausible, not tested
    • Triple moisture-locking design key to skin barrier improvementpartly backed
    • Sesed's proposed 3-STEP Water Lock system for improving inner drynesspartly backed
    • STEP 3 Locking in moisture: Jojoba oil & Squalane / A step that maintains moisture for a long time by balancing oil and water with jojoba oil and squalanepartly backed
    • Skin irritation index 0.00%partly backed
    • NO artificial colors & fragrances / White, high-concentration formulation realized with efficacy ingredients / Low-irritation formula without added fragrancespartly backed
    • A blend of 10-fold hyaluronic acid, jojoba, and squalane for oil-water balance. A first serum that moisturizes the skin with minerals and aquaporin that open the moisture pathway.partly backed
    • 10-fold hyaluronic acid barrier · moisture serumpartly backed
    • Daily Care: After cleansing, use within 3 seconds while a little moisture remains. It boosts the natural water glow and makeup adherence in one go.partly backed
    • Without a doubt, the world's most perfect skin barrier strengthening solutionoverstated
    • 3 seconds a day ends inner dryness!overstated
    • Definite inner dryness resolution, immediate improvement in just 30 seconds*overstated
    • The No. 1 brand drawing the most attention in 2026, Sesedno supporting source found
    • Sold out nationwide immediately upon entering pharmaciesno supporting source found
    • Real-time sales No.1 noticed by The Hyundaino supporting source found
    • At the moment of application, real moisture that fills from the inside, not the outsideno supporting source found
    • STEP 1 Opening the moisture path: Minerals & Aquaporin / Designed with minerals from sea salt and deep-sea water, a moisture path considering aquaporin, the skin's internal water channelno supporting source found
    • After 30 seconds of use, evaluation of improvement in skin surface moisture, evaluation of improvement in inner dryness (inner moisture)no supporting source found
    • We listened to the many skin concerns of 150,000 friends, used them ourselves, and went through repeated improvement cycles.no supporting source found
    • K-pharmacy sold-out frenzy barrier serumno supporting source found
    • Those who have used it say it is definitely different: irreplaceable, sold-out linesnothing specific to check
    • Chewy bubble completes moisture radiance, new-concept first serum that fills from the skin barriernothing specific to check
    • Skin barrier care routine for resolving inner drynessnothing specific to check
    • Many moisturizers fill, but why is there none that opens the moisture pathway?nothing specific to check
    • No matter how good the ingredients, if the 'path' is blocked, it's useless, so we've fully contained the entire moisturizing process in one bottle, from opening the moisture pathway to locking the balance.nothing specific to check
    • Sesed's clean beauty practicenothing specific to check
    • The standard completed in that process was one: 'Balance that sets the skin barrier right'nothing specific to check
  • Product photo of Aqua Deep Cleansing Water

    Rovectin

    Aqua Deep Cleansing Water

    Key: Sea Salt (#25 on the ingredient list), Disodium Cocoamphodiacetate, Sodium Chloride

    AmazonBrand storeOfficial (Korean)
    2 claims checked

    claims, checked

    • How to use: after soaking a cotton pad well with the product, gently wipe the whole face along the grain of the skin. For point makeup, leave the cotton pad on to melt it, then wipe as if pressing.backed by evidence
    • A cleansing water that makes moist deep cleansing possible without irritation, with a clean marine complex that wipes away not only makeup but also impurities inside poresoverstated

Often featured alongside it

Are the claims about it backed up?

We checked each claim that features this ingredient. Open the list below to see the result for each one.

See the results by claim
ResultClaims
no supporting source found1 of 1

These are counts of claims, not products. One product can name the same ingredient in several claims, and we checked each one on its own.