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What is Protease?

Skin conditioning

Protease is a skin conditioner that helps soften and smooth the surface.

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

28 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 12.

  • Thelavicos

    Enzyme Washing Powder

    Key: Protease (#2 on the ingredient list), Papain

    Official (Korean)
    4 claims, summarized
    Don't count on:
    clearer-looking skin · a smoother skin texture
    Tests passed:
    hypoallergenic · skin irritation
    See each claim

    claims, checked

    • Skin low irritation test, judged non-irritatingpartly backed
    • Clinical study completed on flakes, inflammatory acne and cleansing power improvementno supporting source found
    • Judged suitable for use on acne-prone skinno supporting source found
    • A cleanser the whole family can use with confidencenothing specific to check

  • Fusidyne

    Derma Trouble Balancing Serum

    Key: Protease (#7 on the ingredient list), Fusidium Coccineum Ferment Lysate Extract Filtrate, Nymphaea Alba Flower Extract

    1 claim checked

    claims, checked

    • Husidainplausible, not tested
  • Product photo of 1025 Dokdo Toner

    Round Lab

    1025 Dokdo Toner

    It's made for better hydration and calmer skin.

    Key: Protease (#10 on the ingredient list), Sea Water, Chondrus Crispus Extract

    Brand storeOlive Young USAmazon· Seller not confirmedOfficial (Korean)
    7 claims, summarized
    Only partly backed:
    a smoother skin texture · better hydration (amount unknown) · calmer skin (amount unknown)
    See each claim

    claims, checked

    • 1025 Dokdo Toner can be used in all of the following ways. ① Dispensing onto a cotton pad and wiping along the grain of the skin. ② Applying to the face and letting it absorb. ③ The skin pack method of soaking a cotton pad thoroughly and laying it on the skin.backed by evidence
    • The official page presents this product as Unscented.backed by evidence
    • Also, because deep sea water, panthenol, allantoin and the like help with skin soothing and moisturising,plausible, not tested
    • The brand uses deep sea water obtained from 5,000 feet below the East Sea, and presents moisture balance points related to naturally derived minerals such as magnesium, calcium and zinc.plausible, not tested
    • The official page describes this ingredient as a point that keeps the skin moist and helps a skin condition in which blemishes are less noticeable.plausible, not tested
    • Dokdo Toner does not contain acids such as AHA or BHA, and it is a product with no skin irritation that leaves the flakes the skin needs and breaks down only dead flakes.partly backed
    • The brand explains that this technology helps gently put excess sebum, old flakes and impurities in order.partly backed
  • Product photo of 1025 Dokdo Water Gel Mask

    Round Lab

    1025 Dokdo Water Gel Mask

    It's made for better hydration and calmer skin.

    Key: Protease (#15 on the ingredient list), Sea Water, Hyaluronic Acid

    Brand storeOfficial (Korean)
    32 claims, summarized
    Only partly backed:
    better hydration · calmer skin (amount unknown) · a smoother skin texture
    Tests passed:
    hypoallergenic · skin irritation
    See each claim

    claims, checked

    • Produced with soy ink on FSC-certified packaging to protect forests.backed by evidence
    • High-adhesion water gel moisture maskplausible, not tested
    • Contains the moisture of pristine Ulleungdo deep ocean water created by natureplausible, not tested
    • The bouncy jelly sheet, fully soaked with moisture, adheres thinly and transparently to the skin, delivering fresh moisture.plausible, not tested
    • Panthenol, allantoin, and betaine, which are effective in soothing the skin, help comfortably protect skin stimulated by external environments.plausible, not tested
    • The essence-type texture that firmly holds moisture replenishes hydration and delivers supple moisture.plausible, not tested
    • #SensitiveMoistureplausible, not tested
    • Powerful moisture effect with just one sheetpartly backed
    • When used once, skin moisture improvement increased by 656.85%partly backed
    • After one use, skin hydration at 2.5mm depth increased by 4.05%partly backed
    • 8 types of hyaluronic acid of various sizes and 8 types of amino acids effective for moisture retention tightly fill and protect moisture, creating a non-drying moisturizing barrier.partly backed
    • Instant cooling and soothing effect upon contact with skinpartly backed
    • Immediate skin soothing (cooling) effect: 17.12% reductionpartly backed
    • After one use, skin dead skin improvement decreased by 22.86%partly backed
    • Using a cellulose sheet that naturally biodegrades 84.9% in 45 days under composting conditions, we thought about the environment too.partly backed
    • Completed skin low-irritation test, gentle without irritationpartly backed
    • Average skin reactivity is 0.00, judged as non-irritating according to the criteria.partly backed
    • German Derma Testpartly backed
    • Deeply moisturizing care with just one applicationoverstated
    • Drawn from the deep sea where sunlight cannot reach, it is clean and pristine, and with a mineral balance similar to the human body, even sensitive skin can use it with confidence.overstated
    • Rich in skin-beneficial nutritional minerals such as calcium, magnesium, and zinc, it fills the skin with moist moisture.overstated
    • Removes dead skin cells cleanly so moisture is fully absorbed.overstated
    • 2021 Glowpick Hall of Fame Mask Category 1st place for 16 consecutive weeksno supporting source found
    • 2021 First Half GLOWPICK AWARDS 1st Place Moisture Maskno supporting source found
    • It feels like skin's inner dryness has improved. 100%no supporting source found
    • It feels like skin has become moist and soft. 100%no supporting source found
    • It feels like moisture lasts for 24 hours. 100%no supporting source found
    • Containing HATCHING EX-07, the key ingredient in Dokdo Toner that creates a smooth skin base, it gently cares for sebum and aged dead skin.no supporting source found
    • #BouncyAdhesion #OneSheetMoisture #CoolingSoothingnothing specific to check
    • Experience fully packed moisture with one sheet every day!nothing specific to check
    • 8-layer moisture effect with no room to escapenothing specific to check
    • The secret to the moisture bomb: high-adhesion water gel sheetnothing specific to check

  • Fusidyne

    Derma Trouble Balancing Cream

    Key: Protease (#15 on the ingredient list), Fusidium Coccineum Ferment Lysate Extract Filtrate, Ceramide

    1 claim checked

    claims, checked

    • Husidainplausible, not tested
  • Product photo of Morning Enzyme Wash

    Dr. Ceuracle

    Morning Enzyme Wash

    Key: Protease (#16 on the ingredient list), Dipotassium Glycyrrhizate, Allantoin

  • Dr. Ceuracle

    Night Enzyme Wash

    Key: Protease (#16 on the ingredient list), Charcoal Powder, Bifida Ferment Filtrate

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
overstated1 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.