DEWYCEL
DEWYCEL Private Care Mask
Ingredient analysis and how the ad lines read
Read on 2026-09-30
What is this product?
DEWYCEL Private Care Mask is a three-part sheet mask kit from the Korean brand DEWYCEL: an ampoule sheet, an upper mask for forehead and eye area and a lower mask for chin and jawline, sold as five sets on the brand's own store and filed as a whitening and wrinkle-improvement functional cosmetic. Its three ingredient lists share niacinamide, adenosine, sodium hyaluronate, edelweiss callus culture extract, arginine and carbomer, each ending in a fragrance entry, with ethanol-type entries in two of them and no exfoliating acid. The brand pitches once-a-week glow, but its one printed test is a single-use gloss reading whose bars do not match the printed ratio.
What makes it different?
A sheet mask sold as a three-part kit with separate lists for an ampoule sheet, an upper mask and a lower mask, carrying both a whitening and a wrinkle-improvement filing; the brand promises a once-a-week routine and supports it only with a single-use gloss panel.
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 13 with no dictionary entry, left in Korean.
Key ingredientWorth a closer look
- 상층마스크: 정제수
- Butylene Glycol
- 피이지/피피지-17/6코폴리머
- Niacinamide
- Glycerin
- Sodium Polyacrylate
- Carbomer
- Arginine
- Panthenol
- Adenosine
- Sodium Hyaluronate
- 뽕나무껍질추출물
- Camellia Sinensis Leaf Extract
- Glycine Max (Soybean) Seed Extract
- Prunus Armeniaca (Apricot) Fruit Extract
- Leontopodium Alpinum Callus Culture Extract
- Xanthan Gum
- Alcohol
- Disodium EDTA
- PEG-60 Hydrogenated Castor Oil
- Phenoxyethanol
- Chlorphenesin
- 1,2-Hexanediol
- Ethylhexylglycerin
- Fragrance
- 하층마스크 : 정제수
- Dipropylene Glycol
- Glycerin
- Butylene Glycol
- Niacinamide
- Caprylic/Capric Triglyceride
- 폴리솔베이트-60
- Limnanthes Alba (Meadowfoam) Seed Oil
- Sodium Hyaluronate
- Glyceryl Stearate
- Panthenol
- Dipotassium Glycyrrhizate
- Carbomer
- Arginine
- Xanthan Gum
- C13-14아이소파라핀
- Adenosine
- Punica Granatum Fruit Extract
- Beta-Glucan
- 서인도체리열매추출물
- Leontopodium Alpinum Callus Culture Extract
- Disodium EDTA
- 라우레스-7
- 폴리아크릴아마이드
- PEG-100 Stearate
- Ethylhexylglycerin
- Chlorphenesin
- Phenoxyethanol
- 1,2-Hexanediol
- Fragrance
- 앰플시트: 정제수
- Butylene Glycol
- Glycerin
- Alcohol Denat.
- 피이지/피피지-17/6코폴리머
- Niacinamide
- Coptis Japonica Extract
- Leontopodium Alpinum Callus Culture Extract
- Sodium Hyaluronate
- Arginine
- Carbomer
- Adenosine
- 다이소둄이디티에이
- 벤조페논-5
- PEG-60 Hydrogenated Castor Oil
- Phenoxyethanol
- Chlorphenesin
- Ethylhexylglycerin
- 1,2-Hexanediol
- Fragrance
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 6 lines this product advertises against the ingredient list and public documents. Here is how they read: backed by evidence: 1 · partly backed: 1 · no source confirms it: 3 · says nothing: 1.
Claims translated from Korean, originals preserved.
backed by evidence1
- Whitening+Wrinkle Improvement Dual Functional Cosmetic
Korean original
미백+주름개선 이중기능성 화장품
partly backed1
- The moment you stick it on, the endless moisture lock continues!
Korean original
붙이는 순간, 이어지는 무한 수분 잠금!
no source confirms it3
- +30,137 glow value increase / 1.6x glow index increase
Korean original
+30,137 광채수치 상승 / 1.6배 광채지수 증가
- 17 million sheets
Korean original
1,700만장
- Even with just once-a-week care, it creates sparkling dewy skin
Korean original
주 1회 케어만으로도 반짝이는 물광 피부를 연출
says nothing1
- Escape the bothersome 1-day 1-pack!
Korean original
귀찮은 1일 1팩 탈출!
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.