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CURESONA

CURESONA Rejucode Essence Toner

Ingredient analysis and how the ad lines read

Read on 2026-10-02

What is this product?

A 140 ml milky toner from the Korean brand CURESONA, sold on the brand storefront and pitched as a daily toner with PDRN, AHA and BHA. The 27 entry list opens with water, glycerin, 1,2-hexanediol, butylene glycol and niacinamide, carries salicylic acid at 17 and glycolic acid at 19 with no printed concentration or pH, sodium DNA at 22, and ends with a fragrance entry. The brand names a low irritation test on 31 people without printing a scale, and its tile for the AHA names lactic acid although the list prints none.

What makes it different?

A milky toner that pairs two exfoliating acids with niacinamide, sodium DNA and a ceramide entry, filed with the acids at undisclosed levels. Its trade-offs on the label: no printed acid concentration or pH, a fragrance entry, a storefront table that states 40 ml against 140 ml on the notice, and an AHA tile naming an acid the list does not print.

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, except 1 with no dictionary entry, left in Korean.

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.

Did the ad claims hold up?

We checked 11 lines this product advertises against the ingredient list and public documents. Here is how they read: backed by evidence: 1 · likely, not proven: 3 · partly backed: 6 · no source confirms it: 1.

Claims translated from Korean, originals preserved.

backed by evidence1

  • PDRN + AHA + BHA + Niacinamide

likely, not proven3

  • A daily toner that gently and smoothly refines skin roughened by external irritation and dead skin cells.
    Korean original

    외부 자극과 각질로 거칠어진 피부를 부드럽고 매끈하게 정돈해 주는 데일리 토너입니다.

  • A milky formula that absorbs moisturizingly without stickiness
    Korean original

    끈적임 없이 촉촉하게 흡수되는 밀키 제형

  • The refreshing water-type formula lightly seeps in and finishes cleanly without stickiness.
    Korean original

    산뜻한 워터 타입 제형이 가볍게 스며들어 끈적임 없이 깔끔하게 마무리됩니다.

partly backed6

  • #DewyGlowCare #MilkyToner #SkinTextureRefining #DeadSkinCellScaling #ContainsAHA
    Korean original

    #물광케어 #밀키토너 #피부결정돈 #각질스케일링 #AHA함유

  • Contains PDRN and AHA to care for skin condition in a balanced way, and refines accumulated dead skin cells and rough skin texture to create a smooth skin base.
    Korean original

    PDRN과 AHA를 함유해 피부 컨디션을 균형 있게 케어하고, 묵은 각질과 거친 피부결을 정돈해 매끄러운 피부 바탕을 만들어 줍니다.

  • A DNA-derived ingredient that comfortably cares for tired skin, adds a firm feeling, and helps keep skin condition healthy
    Korean original

    DNA 유래 성분으로 지친 피부를 편안하게 케어하고, 탄탄한 느낌을 더해 피부 컨디션을 건강하게 유지하는 데 도움

  • A water-soluble acid ingredient that gently refines accumulated dead skin cells on the skin surface, smooths skin texture, and helps the absorption of the next step of skincare
    Korean original

    수용성 산 성분으로 피부 표면에 쌓인 묵은 각질을 부드럽게 정돈해 피부결을 매끄럽게 가꿔주고 다음 단계 스킨케어의 흡수를 돕는 성분

  • An oil-soluble ingredient that gently melts away waste and dead skin cells on areas of the skin surface prone to buildup, refining them smoothly
    Korean original

    지용성 성분으로 피부 표면의 노폐물과 각질이 쌓이기 쉬운 부위를 부드럽게 녹여 매끄럽게 정돈해주는 성분

  • Skin low-irritation test completed (skin reaction level 0.02 | low-irritation rating) Testing institution | Korea Intertek Testing Services Co., Ltd. Period | 2025.02.19~2025.02.21 Participants | 31 people
    Korean original

    피부 저자극 테스트 완료 (피부 반응도 0.02 | 저자극 판정) 연구기관 | 한국인터텍테스팅서비스(주) 기간 | 2025.02.19~2025.02.21 인원 | 31명

no source confirms it1

  • With a texture that quickly seeps in and moisturizes deeply, skin texture refinement and hydration at once
    Korean original

    빠르게 스며들고 촉촉하게 채워지는 텍스처로 피부결 정돈과 보습감을 한 번에

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

What else is worth seeing?

Products we read alongside this one.