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What is Castanea Crenata (Chestnut) Shell Extract?

Role not confirmed

We haven't written up what this ingredient does yet. The products below feature it as a key ingredient.

Which products feature it?

6 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 6.

  • Product photo of Chestnut Shell Pore-tight Pads

    Hanyul

    Chestnut Shell Pore-tight Pads

    It's registered in Korea as a functional cosmetic for brightening and wrinkle improvement.

    Key Castanea Crenata (Chestnut) Shell Extract (#9 on the ingredient list), Capryloyl Salicylic Acid

    Official (Korean)
    27 claims, summarized
    You can expect:
    less visible dark spots · softer-looking fine lines
    Only partly backed:
    less visible pores · calmer skin · firmer skin · a smoother skin texture
    See each claim

    Claims, checked

    • *YulpiLHA™=chestnut peel extract + LHA(capryloyl salicylic acid)backed by evidence
    • Wrinkle improvement. Whitening dual functionalitybacked by evidence
    • #ButterflyZoneIntensiveTighteningplausible, not tested
    • Pore-area elasticity ingredient found in chestnut peelplausible, not tested
    • Feels like waste inside pores has been cleanly cleansed 93%plausible, not tested
    • Feels like it can be used even on days when skin has become sensitive 96%plausible, not tested
    • It's not a toner pad! A pore cleansing essence pad containing essence efficacy ingredientsplausible, not tested
    • From fine dead skin cellsplausible, not tested
    • A daily functional pore pad that contains chestnut peel and AHA·PHA·LHA ingredients excellent for pore care and intensively cares for butterfly zone porespartly backed
    • Sebum and dead skin cells clean + pores tightly tightened + soft, smooth texture finish!partly backed
    • 2-digit improvement in just 5 minutes!partly backed
    • Area -50.8%partly backed
    • Volume -53.9%partly backed
    • Just 1 use! With 5 minutes of use, pore volume -53%** half effect!partly backed
    • Skin texture improvement 15.91%partly backed
    • Transparency improvement 1.30%partly backed
    • Dead skin cells. Sebum. Heat sensation. Even elasticity improvement at oncepartly backed
    • Dead skin cells -97.3%partly backed
    • Skin temperature* -7℃partly backed
    • Redness** reduction -9.24%partly backed
    • Skin transparency effect, all subjects improved 100%**overstated
    • Intensive pore cleansing for the butterfly zone where many pores are visible, waste inside pores -96% in just 5 minutesno supporting source found
    • Dermatology test completedno supporting source found
    • A product usable even on acne-prone skin!Non-comedogenic test completedno supporting source found
    • 7 FREEno supporting source found
    • Extracted special effective ingredients from 100% domestically grown chestnuts at Utgol Farm in Buyeo, Chungnamno supporting source found
    • Next-generation pore and dead skin cell care ingredients that add synergynothing specific to check

  • PO:DL

    Bam BHA Pore Deep Cleanser

    Key Castanea Crenata (Chestnut) Shell Extract (#31 on the ingredient list), Salicylic Acid, Charcoal Powder

  • ilso

    NATURAL MILD CLEAR NOSE PACK

    It's made for less visible pores and calmer skin.

    Key Castanea Crenata (Chestnut) Shell Extract (#46 on the ingredient list), Panthenol, Hedera Helix (Ivy) Extract

    Official (Korean)
    38 claims, summarized
    Only partly backed:
    less visible pores · calmer skin
    Tests passed:
    hypoallergenic · skin irritation
    See each claim

    Claims, checked

    • Even finishing pore tightening care!plausible, not tested
    • Tightening and soothing emptied poresplausible, not tested
    • Pore tightening, soothing and squeezingplausible, not tested
    • Pore tighteningplausible, not tested
    • Skin soothingplausible, not tested
    • Soft and gentleplausible, not tested
    • Ultra close fitting wrappingplausible, not tested
    • Ultra fine net structure that adheres without gapsplausible, not tested
    • Natural coconut fermented cellulose sheetplausible, not tested
    • Helps manage excess sebum and blackheads.plausible, not tested
    • Generously soaked with pore tightening essenceplausible, not tested
    • Biodegradableplausible, not tested
    • With slit lines from the nose bridge to the nose wingsplausible, not tested
    • Not by forcibly tearing it offplausible, not tested
    • Those who want to manage from sebum removal to soothing all at onceplausible, not tested
    • Perfect match of patented ingredients and fabricpartly backed
    • Low irritation sebum, blackhead removalpartly backed
    • Skin moisturizingpartly backed
    • With patented ingredients includedpartly backed
    • Contains patented ingredients for blackhead and sebum removalpartly backed
    • Low irritation test completed!partly backed
    • At a clinical institutionpartly backed
    • Gently removes sebum & blackheads with an alkaline nose pack andpartly backed
    • Primary skin irritationpartly backed
    • Blackheads instantly gone!overstated
    • Melts sebum and reduces poresoverstated
    • Those who want blackhead removal without irritationoverstated
    • Those who want whitehead removal without irritationoverstated
    • 5,400 ten-thousand sheets soldno supporting source found
    • No. 1 nose pack of your lifeno supporting source found
    • With pH normalization & soothing formulano supporting source found
    • Adhesion, essence deliveryno supporting source found
    • 100% Lyocellno supporting source found
    • Veganno supporting source found
    • Halal certifiedno supporting source found
    • Reflects the principle of matching pHno supporting source found
    • Just try it once and you'll knownothing specific to check
    • Tightening is a must for emptied poresnothing specific to check
  • Product photo of Chestnut Shell Pore Clearing Clay Mask

    Hanyul

    Chestnut Shell Pore Clearing Clay Mask

    It's made for calmer skin.

    Key Castanea Crenata (Chestnut) Shell Extract, Aloe Barbadensis Leaf Extract

    Official (Korean)
    25 claims, summarized
    Only partly backed:
    less visible pores · calmer skin (brand's own survey of 20) · better hydration (amount unknown) · less shine (amount unknown)
    Don't count on:
    firmer skin
    See each claim

    Claims, checked

    • Impurities, dead skin cell removalplausible, not tested
    • Clay adsorbs sebum, and Yulpi extract·aloe vera extract help with soothing·moisture supplyplausible, not tested
    • A clay-type pore pack that grinds chestnut shells as they are and thoroughly cleanses impurities and sebum inside pores that have widened horizontally due to excess oil, making pores soft and tightpartly backed
    • For horizontally widened pores, cleanse impurities inside pores with chestnut shell, pore shrinkage* and soft skin texture, Vegan certification mark * Limited to visible pores and temporary shrinkagepartly backed
    • Immediately after use, impurities·sebum 94% improvement (P&K Clinical Research Centa, 2022.03.14~2022.04.04, 20 adult women)partly backed
    • After 4 weeks of use, blackheads 37%·whiteheads 16% reduction (P&K Clinical Research Centa, same test)partly backed
    • After warming and immediately after use, skin temperature cooling effect 17%, helps temporary soothing (Dermapro, 2022.02.14~2022.03.18, 20 adult women)partly backed
    • A Korean local ingredient excellent for pore care, chestnut shell!overstated
    • Contains pesticide-free chestnut shell YulpiBHA™ ingredient, a neat shrinkage item* for widened horizontal pores, a pore pack that tightly controls blackheads and horizontal poresoverstated
    • Soft but Strong A pore pack that neatly cleanses sebum-accumulated horizontal pores and tightens pores, Hanyul Budeulbam Malgeum Piji Pore Packoverstated
    • After 2 weeks of use, visible pores 30% temporary shrinkage and improvement in skin elasticity at pore area (P&K Clinical Research Center, 20 adult women, limited to temporary shrinkage of visible pores)overstated
    • Completed suitability test for acne-prone skin useno supporting source found
    • Dermatology test completedno supporting source found
    • 100% domestically cultivatedno supporting source found
    • Skin elasticity in pore areano supporting source found
    • Skin soothingno supporting source found
    • Pore-specialized ingredient Yulpi BHA™no supporting source found
    • The fundamental power of skin, Hanyul brand's signature ingredient ‘Skin Balancer™’ that boosts skin defense, has been formulated and Up-Graded!no supporting source found
    • The chestnut shells of Budeulbam grown with thistles and bracken are carefully grown pesticide-free by Jeon Ok-hwa and Lee Seok-hui at Utgol Farm in Buyeo, Chungnam.no supporting source found
    • Satisfaction immediately after use and after 2 weeks: reduced greasiness felt 100%·black·whitehead reduction felt 95%·pore tightness felt 90%·skin soft and smooth felt 95% (P&K Clinical Research Centa, 20 people)no supporting source found
    • Completed non-comedogenic and dermatology tests, suitable for acne-prone skin useno supporting source found
    • Non-comedogenic test and acne-prone skin use suitability test, dermatology test completed, so even acne-prone skin can use it.no supporting source found
    • 10 FREEnothing specific to check
    • Muan mudflat claynothing specific to check
    • When it comes to pores, Budeulbam! The very pore pack that became famous by word of mouthnothing specific to check

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
backed by evidence1 of 2
plausible, not tested1 of 2

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.