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Skin conditioning

What is Acetyl Tetrapeptide-11?

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

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 153 products whose labels we have read, 2 put this one on the front.

LANEIGE

LANEIGE Cream Skin Cerapeptide™ Refiner

We checked 14 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.

1likely6partly backed4overstated2no evidence1refuted

See the label check (14 lines)

Claims translated from Korean, originals preserved.

likely, not proven1
  • Melting cream into a toner, lightly yet deeply, a genius moisturizing toner
    Korean original

    크림을 토너에 녹여 가볍고도 깊게 천재적 보습 토너

partly backed6
  • Melting Cerapeptide cream into a skin, it fills moisture deeply from the very first step and improves inner elasticity and the barrier too #FirstMoistureSkin
    Korean original

    세라펩타이드 크림을 스킨으로 녹여, 첫 단계부터 보습을 깊게 채우고, 속탄력 및 장벽까지 개선해주는#첫보습스킨

  • A high-moisture toner that melts Cerapeptide cream into a skin and cares for moisture as well as elasticity and the barrier
    Korean original

    세라펩타이드 크림을 스킨으로 녹여 보습은 물론 탄력, 장벽까지 케어 하는 고보습 토너

  • 22.84% increase in skin glow immediately after use
    Korean original

    사용 즉시 피부 윤기 22.84% 증가

  • High pressure blending splits Cerapeptide cream into 1/300* units and stabilizes it as a skin
    Korean original

    고압의 블렌딩으로 세라펩타이드 크림을 1/300* 단위로 쪼개어 스킨으로 안정화

  • Mild even for sensitive skin, a low-irritation formula
    Korean original

    민감 피부도 순하게, 저자극 포뮬러

  • 'CerapeptideTM' is an ingredient combining ceramide, which strengthens the skin barrier, with peptides, which raise the skin's supporting power, and along with a moisturizing effect it builds up the skin's ability to hold moisture.
    Korean original

    '세라펩타이드TM'는 피부 장벽을 강화하는 세라마이드와 피부 지탱력을 높여주는 펩타이드를 결합한 성분으로, 보습 효과와 더불어 피부의 수분 유지 능력을 키워준다.

overstated ad line4
  • 47.64% reduction in dead skin cell amount immediately after use
    Korean original

    사용 즉시 각질량 47.64% 감소

  • Soothing of temporary redness caused by external irritation, redness recovery +40.76 %
    Korean original

    외부 자극에 의한 일시적 붉은기 진정 붉은기 회복 +40.76 %

  • A fresh milky texture usable in any season by any skin type
    Korean original

    어느 계절에나 어떤 피부 타입도 사용 가능한 산뜻한 밀키 텍스쳐

  • Immediately after use the skin's moisture content increases 8 times, and it presents a 120 hour inner-skin moisturizing effect (Elead Co., Ltd., test subjects: 30 women in their 20s and 30s, test period: 2022.07.28~2022.08).
    Korean original

    사용 즉시 피부 수분량이 8배 증가하고, 120시간 피부 속보습 효과(㈜엘리드, 시험대상: 20~30대 여성 30명, 시험기간: 2022.07.28~2022.08)를 선사한다.

no evidence2
  • A change visible in just 4 weeks, half a bottle * of use
    Korean original

    4주, 반 병 * 사용 만에 보이는 변화

  • Faster absorption than before, through special formulation technology
    Korean original

    특별한 제형 기술로 기존 대비 더 빠른 흡수력

evidence says otherwise1
  • Two peptides that have efficacy for moisture and the barrier 　　 　 　 　 and are effective for defending against elasticity loss and boosting elasticity, optimized for a skin formulation 　　 　 　 　 　
    Korean original

    보습과 장벽에 효능이 있으며 　　 　 　 　 탄력 감소 방어 및 탄력 증진에 스킨 제형에 최적화 　　 　 　 　 　 효과적인 2종 펩타이드

Official page (Korean)

Sulwhasoo

Sulwhasoo Jaeum Saengsu

We checked 5 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.

3backed1overstated1says nothing

See the label check (5 lines)

Claims translated from Korean, originals preserved.

backed by evidence3
  • It is a functional product that helps with wrinkle improvement.
    Korean original

    주름 개선에 도움을 주는 기능성 제품입니다.

  • Morning and evening, after using First Care Activating Serum, dispense an appropriate amount and spread it gently along the grain of the skin.
    Korean original

    아침과 저녁, 윤조에센스 사용 후 적당량을 덜어 피부결을 따라 부드럽게 펴 발라주세요.

  • Morning and evening, take an appropriate amount, spread it from the inside of the face outward, then pat lightly to absorb.
    Korean original

    아침, 저녁 적당량을 취해 얼굴 안쪽에서 바깥쪽으로 펴 발라 준 후 가볍게 두드리며 흡수시켜 줍니다.

overstated ad line1
  • It presents dense moisture and elasticity deep into the skin.
    Korean original

    피부 깊숙이 촘촘한 수분감과 탄력을 선사해요.

says nothing1
  • Densely filled moisture elasticity
    Korean original

    촘촘하게 채워지는 수분 탄력

What is it usually paired with?

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