Piboo
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REJURAN Skin Protection Mask

Ingredients and claims, checked

Last checked September 12, 2026

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What is it like at a glance?

What the ingredients do

Hydration leads, with 6 of 41 ingredients. It also contains Niacinamide.

Hydration
6
Moisture seal
5
Brightening
1
Wrinkle improvement
1

By skin type

  • DryUse with care
  • OilyGood fit
  • CombinationNeutral
  • SensitiveUse with care

Piboo’s rating from user reports.

Worth knowing

  • Contains fragrance
  • Contains drying alcohol

Made for

What is this product?

What to expect
It's registered in Korea as a functional cosmetic for brightening and wrinkle improvement.
Key ingredients
Niacinamide, Adenosine, Hydrolyzed DNA
When
Morning and evening

A sheet mask well soaked in essence. It clings closely to the face. It also contains niacinamide and adenosine. Each sheet is 27 ml.

Who is it for?

Less suited to

  • Sensitive skin
  • People avoiding fragrance

What's good, and what to watch for?

Good points

  • Registered as a brightening and wrinkle-care functional cosmetic
  • Panthenol and Aloe Barbadensis Leaf Extract add moisture

Watch-outs

  • Contains fragrance
  • Contains drying alcohol

How do you use it?

Where in your routine
After cleansing and toner, worn 10 to 20 minutes, remaining essence patted in
Pairs well with
  • A cream afterwards
  • A fragrance-free routine on the same day

What is in it?

The full ingredient list as the brand publishes it, in the printed order. Tap a name to read 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.

What the claims add up to

You can expect:
better barrier support · less visible dark spots · softer-looking fine lines
Only partly backed:
better hydration (amount unknown) · calmer skin (amount unknown)
Don't count on:
firmer skin
See each claim, checked (19)

Claims, checked

  • Panthenol Maintains healthy skin by caring for the skin barrierbacked by evidence
  • Whitening, wrinkle improvement functionalbacked by evidence
  • Q3. Can it be used after dermatology procedures? After dermatology procedures, we recommend using it after consulting a specialist. For after care, we recommend the clinic line, and for irritated skin, we recommend the Derma Healer line, which can provide moisture and soothing effects simultaneously.backed by evidence
  • Q4. Can pregnant women or children who are students (elementary, middle, high school) use it? It does not contain ingredients that pregnant women and students should not use, but since it is a sensitive period, we suggest using it after consulting a specialist.backed by evidence
  • Point 03 Customized adhesion care with a highly stretchable sheetplausible, not tested
  • Aloe vera leaf extract Provides comfortable soothing and moisturizing care to tired skinplausible, not tested
  • 01 Skin Soothing Soothing 02 Hydration Hydrating 03 Nutrition Supply Nourishingpartly backed
  • Point 01 Intensive after care that makes tired skin moist and healthypartly backed
  • Point 02 Comforts stressed skin with soothing ingredientspartly backed
  • High purity, Korea's only DNA purification patented technology DOT Minimizes impurities through a strict purification process [Patent No. KR10-0986603]partly backed
  • Special care for tired and parched skin c-PDRN After Care Mask #SkinConditionCare #SkinSoothing #AdhesiveNutritionSupplyoverstated
  • Reliable skin conditioning care with salmon DNA ingredient c-PDRNoverstated
  • Q1. What is c-PDRN? It is the core ingredient of Rejuran Cosmetic, which purifies PDRN extracted from salmon DNA fragments to facilitate skin absorption. It boosts the soothing effect and helps create firm skin.overstated
  • After care mask for tired skin, Rejuran Healer Skin Protection Mask soothes skin tired from outdoor activities and imparts vitality and elasticityoverstated
  • Through the patented technology DOT™, the proprietary skin care ingredient obtained from salmon DNA builds the skin's own strength and cultivates a firm and healthy skin foundationno supporting source found
  • High quality Wild salmon grown in nature from the clean East Coast At 1/670 the size of a pore, excellent skin deliveryno supporting source found
  • Hydrolyzed DNA c-PDRN Skin turnover careno supporting source found
  • Bestowing deep rest upon tired skinnothing specific to check
  • High safety Strict GMP quality management systemnothing specific to check

We quote each claim exactly as the brand published it, then check it against the ingredient list and the brand's own documents.

How we check claims

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