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GYEOL HAUS

GYEOL HAUS Extreme Calming Tea Tree Oil

Ingredient analysis and how the ad lines read

Read on 2026-09-25

What is this product?

GYEOL HAUS Extreme Calming Tea Tree Oil is a 30 ml water-free face oil in a pump bottle. Its 18 entry Korean statutory list leads with squalane and prints tea tree leaf oil at 2 percent, with bakuchiol fourth and the retinoid hydroxypinacolone retinoate eighth, and ends with the declared allergen limonene; there is no fragrance entry and no exfoliating acid. It is not a filed functional cosmetic. One brand-run study on 20 people over four weeks reports lower sebum, smaller pores and less roughness, with no control group, and its redness headline does not match its own chart. No irritation test is shown. Suited to oily, breakout-prone skin that wants a retinoid in a light oil; sensitive skin, people avoiding essential oils or limonene, and anyone pregnant or planning pregnancy should take care.

What makes it different?

A light squalane oil that pairs 2 percent tea tree oil with a retinoid ester and bakuchiol, rather than a tea tree spot treatment, backed by a named four week study on this product. It carries an essential oil and limonene, and shows no irritation data.

What is in it?

The full ingredient list as the brand publishes it, in the printed order. Each name links to what we know about that ingredient.

This brand publishes its ingredient list in Korean only. Names below are the matching INCI names from the Korean Cosmetic Association ingredient dictionary.

Key ingredientWorth a closer look

Ingredients with no mark are ones we found nothing notable about, and when marks overlap on one ingredient we show the caution first.

We could not place these in the list above: 티트리잎오일, 세틸에틸헥사노에이트, 호호바씨오일, 하이드록시피나콜론레티노에이트

Did the ad claims hold up?

We checked 24 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.

Claims translated from Korean, originals preserved.

backed by evidence1

  • Extreme Calming Tea Tree Oil was designed by adding 4th generation retinol (HPR), bakuchiol, and squalane to tea tree oil for reliable trouble soothing.
    Korean original

    익스트림 카밍 티트리 오일은 확실한 트러블 진정을 위해 티트리 오일에 레티놀 4세대 (HPR), 바쿠치올, 스쿠알란을 더해 설계되었습니다.

likely, not proven11

  • Tea tree oil has a powerful soothing effect.
    Korean original

    티트리 오일은 강력한 진정 효과를 가집니다.

  • A daily soothing oil that can be used on the entire face every day.
    Korean original

    얼굴 전체에 매일 사용할 수 있는 데일리 진정 오일.

  • Not spot care, but full-face care is possible.
    Korean original

    스팟 케어가 아닌 얼굴 전체 케어가 가능합니다.

  • Tea tree leaf oil: Soothing sensitive skin, trouble prevention care
    Korean original

    티트리 잎 오일 : 민감 피부 진정, 트러블 예방 케어

  • A natural oil rich in 4-terpineol that shows high effectiveness in relieving sensitive skin caused by trouble
    Korean original

    4-터피네올 성분이 풍부하여 트러블로 인한 민감 피부 완화에 높은 효과를 보이는 천연 오일

  • A representative plant-derived ingredient with efficacy similar to retinol that acts gently on the skin and helps sebum control and pore improvement
    Korean original

    레티놀과 유사한 효능을 가진 대표적 식물 유래 성분으로 피부에 순하게 작용하여 피지 조절, 모공 개선에 도움

  • 4th generation retinol: Promotes turnover
    Korean original

    레티놀 4세대 : 턴오버 촉진

  • High-function vitamin A with reduced irritation compared to conventional retinol
    Korean original

    기존 레티놀 대비 자극이 줄어든 고기능 비타민A

  • An ingredient with a structure similar to the human skin lipid squalene that has high skin affinity and helps absorption of high-function ingredients
    Korean original

    인체 피부 지질 스쿠알렌과 유사한 구조를 가진 성분으로 높은 피부 친화력을 가져 고기능 성분들의 흡수를 도움

  • A non-sticky, fresh finish suited to a daily soothing routine
    Korean original

    데일리 진정 루틴에 알맞은 끈적인 없는 산뜻한 마무리감

  • Designed with a pumping dispenser that minimizes air contact.
    Korean original

    공기 접촉을 최소화하는 펌핑 디스펜서로 설계되었습니다.

partly backed5

  • Gyeol House's Extreme Calming Tea Tree Oil goes beyond soothing trouble to manage sebum, pores, and dead skin cells.
    Korean original

    결 하우스의 익스트림 카밍 티트리 오일은 트러블 진정을 넘어 피지·모공·각질까지 관리합니다.

  • Sebum amount 51% reduction
    Korean original

    피지량 51% 감소

  • Pore distribution 50% reduction, pore area 21% reduction, pore depth 22% reduction
    Korean original

    모공 분포 50% 감소 모공 면적 21% 감소 모공 깊이 22% 감소

  • Skin roughness 11.45% improvement
    Korean original

    피부 거칠기 11.45% 개선

  • Suitability evaluation test for acne-prone skin completed
    Korean original

    여드름성 피부 사용 적합 평가 테스트 완료

overstated ad line3

  • As the name suggests, extreme soothing.
    Korean original

    이름처럼, 극강의 진정.

  • Gentle vitamin A usable every day
    Korean original

    매일 사용 가능 순한 비타민A

  • Extreme Calming Tea Tree Oil's efficacy and stability have been proven through clinical trials.
    Korean original

    익스트림 카밍 티트리 오일은 임상 실험을 통해 효능과 안정성이 입증되었습니다.

no evidence3

  • All of this without irritation, gently.
    Korean original

    이 모든 것을 자극 없이, 순하게.

  • Trouble area redness 6.79% improvement
    Korean original

    트러블 부위 붉은기 6.79% 개선

  • Stabilizes skin condition so that trouble does not recur.
    Korean original

    트러블이 반복되지 않도록 피부 컨디션을 안정화합니다.

says nothing1

  • Rather than being a one-off response, it proposes a daily routine that cares for trouble from multiple angles and changes the skin environment itself.
    Korean original

    단발성 대응이 아닌 트러블을 다각도로 케어하며 피부 환경 자체를 바꾸는 데일리 루틴을 제안합니다.

Each line is quoted as the brand published it, and each one was read on its own against the ingredient list and the documents the brand publishes.

How we read these lines

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