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JAYJUN Real Water Brightening Black Hydro Sleeping Pack

Ingredients and claims, checked

Product photo of JAYJUN Real Water Brightening Black Hydro Sleeping Pack

Last checked September 13, 2026

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What is it like at a glance?

What the ingredients do

Hydration leads, with 9 of 51 ingredients. It also contains Adenosine.

Hydration
9
Softening
5
Moisture seal
5
Wrinkle improvement
1

By skin type

  • DryNeutral
  • OilyGood fit
  • CombinationGood fit
  • SensitiveUse with care

Piboo’s rating from user reports.

Worth knowing

  • Contains fragrance
  • Has a fungal-acne trigger
  • On pore-clogging lists

Made for

What is this product?

What to expect
It's registered in Korea as a functional cosmetic for wrinkle improvement.
Key ingredients
Adenosine, Hyaluronic Acid, Copper Tripeptide-1
When
Evening

A sleeping pack that comes in single-dose pouches. It leaves skin glowy and dewy. It comes in a 4 ml size.

Who is it for?

Good for

  • Dehydrated oily skin
  • Dehydrated normal skin

Less suited to

  • Sensitive skin
  • People avoiding fragrance

What's good, and what to watch for?

Good points

  • Registered as a wrinkle-care functional cosmetic
  • Hyaluronic Acid adds moisture

Watch-outs

  • Contains fragrance
  • If you clog easily: Isohexadecane, Macadamia Ternifolia Seed Oil
  • If you get fungal acne: Hexyl Laurate, Sorbitan Oleate

What makes it different?

It contains eight forms of hyaluronic acid.

How do you use it?

Where in your routine
Final step at night, over the rest of the routine, left on overnight
Pairs well with
  • A plain hydrating toner or essence underneath
  • A separate barrier cream on genuinely dry skin
Don't combine with
A strong retinoid or acid step in the same session

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, except 5 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.

What the claims add up to

You can expect:
softer-looking fine lines
Only partly backed:
better hydration
Tests passed:
hypoallergenic · skin irritation
See each claim, checked (12)

Claims, checked

  • Skin low-irritation test completedbacked by evidence
  • Wrinkle improvement functional certificationbacked by evidence
  • Can be used as a moisturizing cream as well.plausible, not tested
  • Adenosine · 8 types of hyaluronic acid · 8 types of peptidespartly backed
  • With just one use, improves moisture penetrationpartly backed
  • With just one use, improves skin moisturepartly backed
  • With just one use, moisture retentionpartly backed
  • 100% satisfactionoverstated
  • Filling without gaps, deeper, up to 20 layers inside the skin, true inner-moisture glow!no supporting source found
  • Moisture-strengthening Jeju lava seawater, French carbonated water, Italian glacier waterno supporting source found
  • A sleeping pack that adds nutritional ingredients to the skin to make it radiant and elastic.nothing specific to check
  • With one sheet, experience “instant moisture recharge”.nothing 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

What else is worth seeing?

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