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What is Trehalose?

Humectant

Trehalose is a humectant that draws water into the skin and helps hold it there.

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

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?

25 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.

  • Product photo of 마이크로핏 액티브 톤업패치

    퓨로피엘

    마이크로핏 액티브 톤업패치 (Korean)This brand publishes no English name for this product. The name above is as printed in Korean.

    Key: Trehalose (#2 on the ingredient list), Niacinamide, Adenosine

    16 claims, summarized
    Don't count on:
    better hydration
    See each claim

    claims, checked

    • 1) Tear open the individual packaging and take out one product at a time. 2) Attach to the desired area and press gently for 5 seconds. 3) Remove the patch after at least 4~10 hours.backed by evidence
    • * Limited to the characteristics of the raw material.backed by evidence
    • 280μm uniform heightplausible, not tested
    • 4.5kgf high compressive strengthplausible, not tested
    • The key is precisely from 'spacing, not quantity'.plausible, not tested
    • Clean region Jeonnam Goheung yuja extract 5,000ppmpartly backed
    • 920 high-quality microdotspartly backed
    • Lighten dark spots, brighten skin tone / Natural vita energy infused into the skin / Vita C Microfit Active Tone-up Patchpartly backed
    • Goheung yuja, grown in the clean natural environment of Goheung, the best yuja-producing region, has 3 times higher vitamin content than lemon, helping with blemish improvement and whitening care.overstated
    • The polyphenols and minerals in fig extract, a naturally derived moisturizing ingredient, help care for smooth and radiant skin texture.no supporting source found
    • 800μm optimal spacingno supporting source found
    • Pyuropiel's proprietary method that enhances absorption with high strength and precise spacing design.no supporting source found
    • Pyuropiel, a high-quality/functional cosmetics brand incorporating Medical Grade manufacturing/quality control know-how.no supporting source found
    • Pyuropiel | Vita C Microfit Active Tone-up Patch. Complete a clear and radiant skin tone with the vitality of vitamins. A tone-up solution that adheres without lifting with a microfit sheet for easy care anytime, anywhere. Add a glowing mood to your daily life with an MD-curated item.nothing specific to check
    • Through daily care, not a temporary improvement, but an experience of skin becoming clear on its own. We develop perfect and gentle skincare by meticulously incorporating pure natural ingredients and rigorous, scientific expertise.nothing specific to check
    • Vita C patch, tone-up patch, microfit, skin vitality, vitamin care, daily home care, adherence patch, Pyuropiel recommendationnothing specific to check
  • Key: Trehalose (#6 on the ingredient list), Panthenol, Hyaluronic Acid

    1 claim checked

    claims, checked

    • A cleansing water that thoroughly cleanses even fine dust based on a mild cleansing ingredient extracted from olive oil.partly backed
  • Key: Trehalose (#6 on the ingredient list), Polyglyceryl-4 Caprate, Melissa Officinalis (Lemon Balm) Leaf Extract

    5 claims, summarized
    Only partly backed:
    better barrier support
    See each claim

    claims, checked

    • Weakly acidic barrier care even after cleansingplausible, not tested
    • Moist skin texture with no tightness even after washingplausible, not tested
    • #LowIrritation #NoEyeStingplausible, not tested
    • A reassuring cleansing water that protects a healthy pH and leaves moisture in fullplausible, not tested
    • Low irritation, reassuring cleansing with over 96% skincare ingredientsno supporting source found
  • It's made for calmer skin and better hydration.

    Key: Trehalose (#7 on the ingredient list), Hyaluronic Acid, Panthenol

    14 claims, summarized
    Only partly backed:
    better hydration · calmer skin
    See each claim

    claims, checked

    • A low-irritation soothing gel cream that helps cool and moisturize the face with 5D low-molecular hyaluronic acid.plausible, not tested
    • Soothing: Calms and helps comfort irritated skinplausible, not tested
    • 30.85% improved skin water content (6)plausible, not tested
    • Cooling: Instantly cools and soothes overheated skinpartly backed
    • Soothes visible redness: Instantly soothes skin redness caused by heat and irritationpartly backed
    • Gentle Formula: Suitable even for sensitive skinpartly backed
    • The human repeat insult patch test(Non-irritant)(1)partly backed
    • 15.55% improved deep skin hydration (internal hydration (2)partly backed
    • 3.46°C reduces immediate skin temperature (cooling)(3)partly backed
    • 101.84% improved temporary redness caused by infrared (heat) irritation. (4) improvingpartly backed
    • 145.02% improved immediate moisturizing of the skin (5)partly backed
    • 100% agreed feels gentle/moisture/stickyness on the skin.(8)partly backed
    • Hydration Boost: Replenishes surface and inner layers of skin with layered hydration and a fresh, dewy finishoverstated
    • 109.77% improved soothing the skin from external irritation(physical).(7)no supporting source found
  • 올리브팜

    Aloe Capsule Pack

    Key: Trehalose (#8 on the ingredient list), Aloe Barbadensis Leaf Water, Glycerin

  • It's made for calmer skin and better hydration.

    Key: Trehalose (#8 on the ingredient list), Brassica Oleracea Capitata (Cabbage) Leaf Water 65%, Brassica Oleracea Capitata (Cabbage) Leaf Extract

    15 claims, summarized
    Only partly backed:
    better hydration · calmer skin · less shine
    Don't count on:
    less visible pores · a smoother skin texture
    See each claim

    claims, checked

    • Daily use suggestion - A daily soothing cream alternative that holds only moisture without stickiness, allowing a light and moist application every day like a creambacked by evidence
    • HOW TO USE Instructions - Guide on applying to the entire face and absorbing overnight as a sleeping pack, and spreading on as a soothing cream at the last step of skincarebacked by evidence
    • Clear moisture glow overnightplausible, not tested
    • Just apply and sleep, all-night moisture recharge. A non-sticky sleeping pack that soothes sensitive skin with cabbage extract and fills it with clear vitality.partly backed
    • For irritated skin that easily reddens and becomes sensitive due to external stimuli and harmful environments, and for concerns of excessive sebum secretion, this large-capacity sleeping pack contains 65% nutrient-rich cabbage leaf water to cool down skin heat overnight and build a firm moisture barrier.partly backed
    • The bouncy, transparent gel cream texture adheres refreshingly without stuffiness and absorbs without needing to be washed off, helping provide intensive cooling and soothing care while you sleep.partly backed
    • It can be used in multiple ways, not only as a sleeping pack 2-3 times a week but also as a daily soothing cream applied lightly every day, and with its gentle, low-irritation formula, even sensitive skin can safely achieve a smooth skin texture.partly backed
    • Cabbage sleeping pack key features - Description of a moisture soothing pack containing 65% cabbage leaf water, rich in vitamins and dietary fiber to soothe irritated skinpartly backed
    • Skin concern solution - 4 key points: soothing irritated skin, controlling excessive sebum, skin heat DOWN, and intensive moisture protection carepartly backed
    • POINT 1 Cabbage leaf water 65% - Ingredients from nature such as mineral-rich cabbage, broccoli, radish seed, and perilla leaves give vitality to rough skinpartly backed
    • POINT 2 Soothing care effect - Illustration of the principle of calming skin irritated by skin heat and controlling excessive sebum secretionpartly backed
    • Product formulation and keywords - Depiction of a moist gel texture providing rich moisture and pore cooling effect, and a non-sticky soothing cream formulationpartly backed
    • Recommended target checklist - Suggested for skin stinging and itching, soothing redness from external stimuli, cooling soothing, and when concerned about excessive sebum and drynesspartly backed
    • Cabbage ingredients rich in vitamins A, B, C, and U and dietary fiber gently manage dead skin cells and sebum inside pores, while low-molecular-weight sodium hyaluronate adds non-sticky, moist moisture retention.overstated
    • POINT 3 Moisture power with no gap for dryness - Explanation of moisture retention of low-molecular-weight sodium hyaluronate and verification of antioxidant moisturizing power through a comparative test of apple browningno supporting source found
  • It's made for better hydration and less visible pores.

    Key: Trehalose (#8 on the ingredient list), Silica, Centella Asiatica Extract

    24 claims, summarized
    You can expect:
    better hydration
    Only partly backed:
    less visible pores · less shine · calmer skin (amount unknown) · firmer skin
    See each claim

    claims, checked

    • Oily combination skin / moisture-deficient oily skinbacked by evidence
    • Excess sebum becomes the cause of various skin concerns.plausible, not tested
    • Sebum that cannot be expelled becomes blackheads- if pores are clogged, it becomes red, blotchy skin concerns- it can enlarge pores and ruin skin texture.plausible, not tested
    • Because even oily skin needs moisture, keep it hydrated with desert resurrection plant power.plausible, not tested
    • Moisture soothing Naturo JC, essential for oily skin too.plausible, not tested
    • Fast absorption without shine, so even moisture-deficient oily combination skin is OK!plausible, not tested
    • A refreshing type lotion that helps with sebum care and pore control for oily skin, providing non-drying moisture and a light application feel at the same time.partly backed
    • Tiresome shine - just one use, immediate sebum reduction effect1)partly backed
    • The desert resurrection plant trehalose ingredient, which comes back to life when watered even after 50 years of dryness, helps form a moisture barrier on parched skin.partly backed
    • Five plant ingredients, including centella asiatica extract, help relieve skin irritation and soothe, comforting sensitive skin.partly backed
    • Test for sebum cut by oil absorption / P&K Skin Clinical Research Center㈜ / 2022.12.22~12.23partly backed
    • Has sebum control and pore tightening effects, moisture feel is not inferior, but if you have dry skin, we recommend Excellent Lotion with better moisturizing power. If you have redness or sensitive skin, we recommend Sensitive Lotion. ※ Regardless of skin type, for those who want a refreshing feel in hot seasons, or those with a skincare routine that finishes with cream or oil, it is recommended as an intermediate step.partly backed
    • In the case of the BR pore line, it manages sebum and dead skin care while also caring for skin elasticity with wrinkle-improving functionality to prevent pores from sagging. / In the case of Refreshing Lotion, it cares for pore expansion caused by excessive sebum secretion through sebum control.partly backed
    • Restore your oil-moisture balance with Refreshing Lotion and break free from sebum worries!overstated
    • The key to proper sebum care is making sure the skin doesn't feel dry on its own! That's why Refreshing Lotion contains only plant-derived moisture that skin loves.overstated
    • Zero stickiness! You can also use it with Excellent Lotion depending on the season and skin condition.overstated
    • All skin types (sensitive skin can also use)overstated
    • Added (plant-fermented ethanol) // Not added to Excellent Lotion and Sensitive Lotion // As a lotion suitable for summer use, alcohol is added for a refreshing and cool sensation // The alcohol used in Isoi products is a plant-fermented ingredient, so you can use it with confidence.overstated
    • We asked those who have used it, sebum improvement satisfaction 100%2)no supporting source found
    • Worried about excess sebum? A refreshing lotion that's kind down to its ingredients.nothing specific to check
    • Proper sebum control ingredients from the start!nothing specific to check
    • With just Refreshing Lotion and Excellent Lotion, you're set for all four seasons!nothing specific to check
    • Right now, you need Refreshing Lotion!nothing specific to check
    • Refreshingly recharge moisture.nothing specific to check
  • It's registered in Korea as a functional cosmetic for brightening and wrinkle improvement.

    Key: Trehalose (#9 on the ingredient list), Anastatica Hierochuntica Extract, Adenosine

    14 claims, summarized
    You can expect:
    less visible dark spots · softer-looking fine lines
    Only partly backed:
    firmer skin
    Don't count on:
    better hydration
    Tests passed:
    skin irritation
    See each claim

    claims, checked

    • Dual functional: wrinkle improvement and whiteningbacked by evidence
    • Long and sturdy built-in tweezers for hygienic and convenient useplausible, not tested
    • Double packaging with label/cap keeps it moist to the very last sheet.plausible, not tested
    • Outer firmness improved 8.66%, inner firmness improved 7.80%partly backed
    • After 1 minute of use, firmness improvespartly backed
    • Hyaluronic acid, peptides, adenosinepartly backed
    • This generous 350ml firming essence, packed with firming ingredients, is filled to the very last sheet.partly backed
    • Sensitive skin irritation test completedpartly backed
    • With a large 30-sheet capacity, try a mask pack that never dries out even to the last sheet to keep your 1 pack per day routine.partly backed
    • The 3-layer system stacks moisture not only for skin firmness but deep into the skin, layer by layer.overstated
    • Try this gentler and safer care with a vegan sheet made with water instead of chemical adhesives, free from skin irritation.overstated
    • Meet a 1 pack per day firming care that is non-irritating even with daily use.overstated
    • With the firming care of resurrection plant extract and trehalose, it builds sagging skin firm and tight.no supporting source found
    • With a 0.3mm ultra-slim fabric, it offers excellent breathability, feels light and comfortable during use, and effectively delivers active ingredients.no supporting source found
  • Key: Trehalose (#9 on the ingredient list), Niacinamide, Hyaluronic Acid

    2 claims checked

    claims, checked

    • Fragrancebacked by evidence
    • Niacinamide Tonerpartly backed
  • Key: Trehalose (#10 on the ingredient list), Panthenol, Allantoin

    1 claim checked

    claims, checked

    • A vegan certified formula containing Peucedanum extract grown on clean, natural Ulleungdo, 2 types of hyaluronic acid, etc., cleanses the skin and keeps it moist, a water type tonerpartly backed
  • It's made for better hydration.

    Key: Trehalose (#10 on the ingredient list), Hyaluronic Acid, Panthenol

    11 claims, summarized
    Only partly backed:
    better hydration
    Don't count on:
    less shine
    See each claim

    claims, checked

    • Hydrationbacked by evidence
    • Fresh Finishplausible, not tested
    • The human repeat insult patch test(Non-irritant)(1)partly backed
    • 112.5% improved internal hydration (moisture in the lower stratum corneum) (3)partly backed
    • 100% agreed feels gentle/moisture/refreshing on the skin.(5)partly backed
    • Gentle Formulapartly backed
    • 5D Hyaluronic Acid: Hydrates from surface to deep layers with five molecular sizesoverstated
    • 13.24% improved skin smoothness (2)no supporting source found
    • *80.76% Immediate reduction in sebum (oil) (4)no supporting source found
    • Texture Refinementno supporting source found
    • Oil Controlno supporting source found
  • Key: Trehalose (#10 on the ingredient list), Bifida Ferment Lysate, Galactomyces Ferment Filtrate

    3 claims checked

    claims, checked

    • 1) After cleansing, avoiding the eye area, wipe along the skin texture from the inside to the outside.backed by evidence
    • 2) After use, close the lid tightly and store to keep the pads from drying out.backed by evidence
    • 3) If intensive care is needed, avoid the eye area, adhere well to the skin, and apply as a pack for about 3 minutes.plausible, not tested

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
plausible, not tested2 of 7
partly backed2 of 7
overstated1 of 7
no supporting source found2 of 7

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.