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JUVENOOK

JUVENOOK PDLLA Collagen Boosting Mask

Ingredient analysis and how the ad lines read

Read on 2026-09-21

What is this product?

A peptide- and collagen-heavy sheet mask for firming and hydration, with niacinamide at fifth position and panthenol and sodium hyaluronate near the top. ppb-printed collagen and polylactic acid sit at very small disclosed amounts, and more than a dozen peptides are packed into the later half of the list.

What makes it different?

The formula discloses exact ppb amounts for hydrolyzed collagen at 10000ppb, atelocollagen at 10ppb and polylactic acid at 1ppb, which is unusual transparency even though the amounts are tiny. It stacks palmitoyl, acetyl and copper peptides from position 45 onward. Niacinamide, panthenol and sodium hyaluronate occupy positions 5, 8 and 9, giving the mask a hydration-first base before the actives appear. No fragrance, essential oils or drying alcohols appear in the ingredient list.

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 ingredient

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: 세틸에틸헥사노에이트, 카프릴릭/카프릭트라이글리세라이드, 폴리솔베이트20