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Hair conditioning

What is Betaine?

This ingredient is listed in CosIng, the European Commission’s public database of cosmetic ingredients. The function classes that database records for it are: Hair conditioning, Humectant, Skin conditioning, humectant.

A function class records the role an ingredient is put in a formula for. It is what the database files the ingredient under, not a finding of ours about what it does on skin.

Which products use it?

Of the 130 products whose labels we have read, 6 put this one on the front.

AESTURA

Atobarrier 365 Gentle Foaming Cleanser

We checked 19 lines this product advertises against the ingredient list and public documents. 2 of them hold up. The rest are only partly right or have nothing behind them.

2backed3likely7partly backed5overstated2no evidence

See the label check (19 lines)

Claims translated from Korean, originals preserved.

backed by evidence2
  • With a formula mixing nonionic and amino acid type cleansing ingredients and with the touchless foam it reduces friction, and with a skin irritation index of 0.00 it achieved low irritation cleansing.
    Korean original

    비이온·아미노산계 세정성분 혼합 포뮬러와 터치리스 폼으로 마찰을 줄이며, 피부자극지수 0.00로 저자극 클렌징을 구현했습니다.

  • When washing, lather an appropriate amount, massage gently on the face, then rinse clean with lukewarm water. ※The cap opens easily if you snap it sideways as if bending it.
    Korean original

    세안 시, 적당량의 거품을 내어 얼굴에 부드럽게 마사지한 후, 미온수로 깨끗이 씻어냅니다. ※캡은 옆으로 딸깍 꺾듯이 열어주시면 쉽게 열립니다.

likely, not proven3
  • With the low friction of the touchless foam, it helps reduce friction irritation throughout the whole washing process (In vitro friction test).
    Korean original

    터치리스 폼의 낮은 마찰력으로 세안 전 과정에서 마찰 자극 감소에 도움을 줍니다(In vitro 마찰력 테스트).

  • Yes, as a touchless foaming cleanser it can be used without burden even as a substitute for a morning water wash.
    Korean original

    네, 터치리스 포밍 클렌저로 아침 물세안 대용으로도 부담 없이 사용할 수 있습니다.

  • Weakly acidic foam cleanser, low irritation foam cleanser
    Korean original

    약산성 폼클렌저, 저자극 폼클렌저

partly backed7
  • A barrier protection foaming cleanser whose dense foam cleanses everything from impurities inside pores to excess oil without burden
    Korean original

    조밀한 거품이 모공 속 노폐물부터 과도한 유분까지 부담없이 세정해주는 장벽보호 포밍 클렌저

  • Aestura Atobarrier 365 Gentle Foaming Cleanser 150ml reduces friction with dense fine foam and cleanses sensitive skin comfortably. With a gentle formula that considers the barrier, it leaves moistness without tightness after washing, so it suits the daily washing of dry and delicate skin.
    Korean original

    에스트라 아토베리어365 젠틀 포밍클렌저 150ml은 조밀한 미세 거품으로 마찰을 줄이며 민감한 피부를 편안하게 세정합니다. 장벽을 고려한 순한 포뮬러로 세안 후 당김 없이 촉촉함을 남겨 건조하고 예민한 피부의 데일리 세안에 적합합니다.

  • 98.1% cleansing of ultrafine dust, 88.9% cleansing of sunscreen and 97.9% cleansing of impurities inside pores were confirmed (on 30 adult women aged 20 to 39, test period 2025.07.21 to 2025.08.22, individual differences exist).
    Korean original

    초미세먼지 98.1% 세정, 자외선 차단제 88.9% 세정, 모공 속 노폐물 97.9% 세정이 확인되었습니다(만 20~39세 성인 여성 30명 대상, 시험기간 2025.07.21~2025.08.22, 개인차 있음).

  • It recorded a skin irritation index of 0.00 and provides a low irritation feel in use.
    Korean original

    피부자극지수 0.00을 기록해 저자극 사용감을 제공합니다.

  • Containing 3 barrier protection ingredients, Derma-On, panthenol and betaine, it contributes to firming up the skin barrier the more you use it.
    Korean original

    더마온·판테놀·베타인 등 3종 장벽보호 성분 함유로 사용할수록 피부 장벽을 탄탄하게 하는 데 기여합니다.

  • It is designed for dry and sensitive skin and has completed tests such as human eye irritation, allergy, extreme sensitivity, dermatological and acne-prone skin suitability.
    Korean original

    건성 및 민감 피부용으로 설계되었으며 인체 안자극, 알러지, 극민감, 피부과, 여드름성 피부 적합 등의 테스트를 완료했습니다.

  • Dispense an appropriate amount of the product into your hand, rub it lightly on the face and body, then rinse clean. When showering, you may also use a soft bath sponge. After removing the water, apply plenty of moisturiser.
    Korean original

    제품을 손에 적당량 덜어 얼굴과 몸에 가볍게문지른 후 깨끗이 헹구어 냅니다. 샤워시, 부드러운 목욕용 스펀지를 사용하셔도 좋습니다. 물기를 제거한 후에는 보습제를 충분히 발라줍니다.

overstated ad line5
  • A touchless cleanser with a microbubble formula 6 times smaller than a pore
    Korean original

    모공보다 6배 작은 미세버블 포뮬라의 터치리스 클렌저

  • With microbubbles 6 times smaller than a pore (foaming bubble average 41 μm), smaller even than the fine pore average (50 μm), it cleanses even impurities inside pores that cannot be seen (some items are In vitro test results).
    Korean original

    모공보다 6배 작은 미세버블(포밍 버블 평균 41 μm)로 미세 모공 평균(50 μm)보다도 작아 보이지 않는 모공 속 노폐물까지 세정합니다(일부 항목 In vitro 시험 결과).

  • 80.6% improvement of the damaged barrier and a 29.7% increase in moisture were observed immediately after use, so it helps the skin stay moist and the barrier be strengthened even after cleansing (same test conditions).
    Korean original

    사용 직후 손상된 장벽 80.6% 개선과 보습량 29.7% 증가가 관찰되어 클렌징 후에도 피부가 촉촉하고 장벽이 강화되는 데 도움을 줍니다(동일 시험 조건).

  • In addition, in the use evaluation, low irritation and cleansing related items such as overall cleansing power, removal of oiliness, rinsing without residue, suitability for sensitive skin, gentle rolling, low irritation and a feeling of protection during washing were confirmed at 100% satisfaction (on 30 adult women aged 20 to 39, test period 2025.07.21 to 2025.08.22).
    Korean original

    또한 사용 평가에서 전반적인 세정력, 유분감 제거, 잔여감 없이 헹굼, 민감 피부 적합성, 부드러운 롤링, 낮은 자극, 세안 중 보호감 등 저자극·세정 관련 항목이 100% 만족으로 확인되었습니다(만 20~39세 성인 여성 30명 대상, 시험기간 2025.07.21~2025.08.22).

  • All skin types
    Korean original

    모든 피부

no evidence2
  • Having completed human eye irritation, allergy, extreme sensitivity, dermatological, acne-prone skin suitability and paediatric skin tests, it is also suitable for sensitive skin and for washing children.
    Korean original

    인체 안자극, 알러지, 극민감, 피부과, 여드름성 피부 적합, 소아과 피부 테스트를 완료해 민감 피부와 어린이 세안에도 적합합니다.

  • Having completed a paediatric skin test, it can also be used for washing our children.
    Korean original

    소아과 피부 테스트를 완료해 우리 아이 세안에도 사용할 수 있습니다.

ZEROID

Foaming Cleanser

We checked 3 lines this product advertises against the ingredient list and public documents. One of them holds up. The rest are only partly right or have nothing behind them.

1backed1partly backed1no evidence

See the label check (3 lines)

Claims translated from Korean, originals preserved.

backed by evidence1
  • From the June 2017 production lot onwards, bitter orange extract among the ingredients of 'Zeroid Foaming Cleanser' can no longer be used owing to circumstances at the raw material supplier.
    Korean original

    2017년 6월 생산분부터 '제로이드 포밍클렌저'의 성분 중 비터오렌지추출물 이 원료 공급사의 사정으로 더이상 사용하지 못하게 되었습니다.

partly backed1
  • A low irritation moisturising cleanser in a foam texture for dry and sensitive skin
    Korean original

    건조하고 민감한 피부를 위한 거품 제형 저자극 보습 세정제

no evidence1
  • 'Zeroid Pimprove Foaming Cleanser', a foam cleanser for oily sensitive skin, released
    Korean original

    지성민감성 피부용 거품 세안제 '제로이드 핌프로브 포밍클렌저' 출시

Official page (Korean)

Product photo of Round Lab 1025 Dokdo Toner

Round Lab

Round Lab 1025 Dokdo Toner

We checked 9 lines this product advertises against the ingredient list and public documents. 3 of them hold up. The rest are only partly right or have nothing behind them.

3backed3likely2partly backed1overstated

See the label check (9 lines)

Claims translated from Korean, originals preserved.

backed by evidence3
  • 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.
    Korean original

    1025 독도 토너는 아래와 같이 모두 활용 가능합니다. ① 화장솜에 덜어 피부결을 따라 닦아쓰는 방법. ② 얼굴에 발라 흡수 시켜주는 방법. ③ 화장솜을 푹 적신 후 피부에 올려놓는 스킨팩 방법.

  • After washing, dispense an appropriate amount, soak a cotton pad well, and wipe gently along the grain of the skin to put the skin in order.
    Korean original

    세안 후 적당량을 덜어 화장솜에 충분히 적신 뒤, 피부결을 따라 부드럽게 닦아내어 피부를 정돈시켜 줍니다.

  • The official page presents this product as Unscented.
    Korean original

    공식 페이지는 이 제품을 Unscented로 안내합니다.

likely, not proven3
  • Also, because deep sea water, panthenol, allantoin and the like help with skin soothing and moisturising,
    Korean original

    또한 해양심층수, 판테놀, 알란토인 등 피부 진정 및 보습에 도움 을 주기에

  • 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.
    Korean original

    브랜드는 동해 5,000피트 아래에서 얻은 심층수를 사용하며, 마그네슘, 칼슘, 아연 등 자연 유래 미네랄과 관련된 수분 밸런스 포인트를 안내합니다.

  • 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.
    Korean original

    공식 페이지는 이 성분이 피부를 촉촉하게 유지하고 잡티가 덜 눈에 띄는 피부 컨디션을 돕는 포인트로 설명합니다.

partly backed2
  • 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.
    Korean original

    독도 토너에는 AHA, BHA 와 같은 산성분이 함유되어 있지 않으며 피부에 필요한 각질은 남겨두고 죽은 각질만을 분해하여 피부자극이 없는 제품 입니다.

  • The brand explains that this technology helps gently put excess sebum, old flakes and impurities in order.
    Korean original

    브랜드는 이 기술이 과도한 피지와 묵은 각질, 노폐물을 부드럽게 정돈하는 데 도움을 준다고 설명합니다.

overstated ad line1
  • Main product specification: all skin types
    Korean original

    제품 주요 사양 모든 피부 타입

Official page (Korean)

Product photo of Aqua Oasis Toner

S.NATURE

Aqua Oasis Toner

We checked 9 lines this product advertises against the ingredient list and public documents. None of them hold up on their own. They are partly right at best.

2likely3partly backed2overstated2no evidence

See the label check (9 lines)

Claims translated from Korean, originals preserved.

likely, not proven2
  • Vegan formulation
    Korean original

    Vegan 포뮬레이션

  • Watery texture, fast absorption, fresh finish
    Korean original

    워터리 텍스처, 빠른 흡수, 산뜻한 마무리

partly backed3
  • The first step after washing! Dense moisture charging & soothing, putting skin texture in order
    Korean original

    세안 후 첫 단계! 수분촘촘 충전 & 진정 피부결 정리

  • Gentle exfoliation care based on PHA (gluconolactone)
    Korean original

    PHA(글루코노락톤) 기반의 순한 각질케어

  • Daily use morning and evening
    Korean original

    아침저녁 데일리 사용

overstated ad line2
  • Deep moisture supply with "Aquaxyl (patented ingredient)" and "8 types of hyaluronic acid"
    Korean original

    "Aquaxyl(특허 성분)"과 "8종 히알루론산"으로 깊은 수분 공급

  • For all skin types
    Korean original

    전 피부타입 대상

no evidence2
  • Putting sebum inside pores in order
    Korean original

    모공 속 피지 정돈

  • Hypoallergenic (low irritation) formulation
    Korean original

    Hypoallergenic(저자극) 포뮬레이션

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Official page (Korean)

SRB

SRB Rice Water Rice Bran Enzyme Cleanser

We checked 5 lines this product advertises against the ingredient list and public documents. None of them hold up on their own. They are partly right at best.

1likely1partly backed2overstated1no evidence

See the label check (5 lines)

Claims translated from Korean, originals preserved.

likely, not proven1
  • Product features: low irritation
    Korean original

    제품특징: 저자극

partly backed1
  • Product features: exfoliation management
    Korean original

    제품특징: 각질관리

overstated ad line2
  • A powder-type cleanser gentle enough even for babies
    Korean original

    아가에게도 순한 가루타입 클렌저

  • Main product specification: all skin types
    Korean original

    제품 주요 사양: 모든 피부

no evidence1
  • Product features: brightening
    Korean original

    제품특징: 브라이트닝

Official page (Korean)

Product photo of Oligo Deep Toner

THE LAB by blanc doux

Oligo Deep Toner

We checked 7 lines this product advertises against the ingredient list and public documents. 4 of them hold up. The rest are only partly right or have nothing behind them.

4backed2overstated1says nothing

See the label check (7 lines)

Claims translated from Korean, originals preserved.

backed by evidence4
  • A toner that fills moistness freshly
    Korean original

    산뜻하게 촉촉함을 채워주는 토너

  • With almost none of the stickiness, sliminess or sitting-on-top feeling characteristic of hyaluronic acid, it absorbs snugly into the skin and fills moisture layer by layer.
    Korean original

    히알루론산 특유의 끈적임이나 미끈거림, 겉도는 느낌이 거의 없이 피부에 착 흡수되어 수분을 차곡차곡 채워준답니다.

  • Texture: a watery texture that flows lightly.
    Korean original

    제형 : 가볍게 흐르는 워터리한 제형이에요.

  • Fragrance: it is a fragrance free product.
    Korean original

    향 : 무향 제품입니다.

overstated ad line2
  • Meet a toner that delivers rich moisture deep into the skin without inner tightness.
    Korean original

    속당김 없이 피부 깊이 풍부한 수분을 선하하는 토너를 만나보세요.

  • It is packed with low molecular weight hyaluronic acid, made smaller and smaller from hyaluronic acid, the ingredient that draws in moisture.
    Korean original

    수분을 끌어당기는 성분, 히알루론산을 더 작고 작게 만든 저분자 히알루론산을 가득 담았어요.

says nothing1
  • A cosmetic nerd brand that concentrates on efficacy and effect
    Korean original

    효능, 효과에 집중하는 코스메틱 너드 브랜드

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Official page (Korean)

Do the ad lines about it hold up?

We checked the one advertised line that names this ingredient.

How it readAd lines
partly backed1 of 1

The count is of advertised lines, not products. One product can advertise the same ingredient in several lines, and each line was read on its own against the ingredient list and public documents.

What is it usually paired with?

Ingredients that other products put on the front of the label together with this one.