
J.One Black Jelly Pack
The J.One Black Jelly Pack is a multi-functional skincare treatment designed to act as both an overnight mask and a firming primer. Created by Korean actress Ha Ji-won, this product is famous for its unique 'gripping' texture that provides an immediate lifting and smoothing sensation. The formula is built on a base of hydrating humectants like Glycerin and Butylene Glycol, alongside Saccharum Officinarum (Sugarcane) Extract, which provides mild natural exfoliation for a brighter complexion. Its jelly-like consistency transforms into a watery essence upon application, leaving a protective film on the skin intended to lock in moisture and nutrients. While it is celebrated for achieving the 'glass skin' look, the ingredient profile is complex. It aims to revitalize dull, tired skin by morning, but the very ingredients that provide its signature firming film may be problematic for certain users. For those with dry or sagging skin, it offers intense hydration, but individuals with sensitivity to marine-derived ingredients should proceed with caution.
Our Analysis
Our analysis classifies the J.One Black Jelly Pack as having a Moderate comedogenic risk. The primary concern is the inclusion of Carrageenan (Chondrus Crispus Extract), which carries a maximum comedogenic rating of 5/5. Carrageenan is a thickener that creates a physical film on the skin; while this provides a 'lifting' feel, it can trap bacteria, dead skin cells, and sebum inside the pores. Furthermore, Plankton extract is flagged with a 4/5 rating. Marine extracts like plankton are often high in iodides and minerals, which can irritate the pore lining and trigger acne flares in susceptible individuals.
Skin Type Recommendations
The J.One Black Jelly Pack is best suited for dry, dehydrated, or mature skin types that benefit from its film-forming, moisture-locking properties. However, it is not recommended for oily or acne-prone skin. The combination of carrageenan and plankton creates a high risk for clogged pores and inflammatory breakouts in congestion-prone individuals.
Flagged Ingredients
Highly comedogenic thickener; creates a physical film that traps bacteria and debris.
Marine extract often rich in iodides/minerals that can irritate pores.
Want Deeper Analysis?
Run our MACR (Multi-Axis Comedogenic Risk) analysis to get a comprehensive 5-axis risk assessment. This AI-powered analysis evaluates ingredients for Plugging Risk, Barrier Damage, Fungal Acne Risk, Oxidation Risk, and real-world User Reports — giving you personalized scores for your skin type.





