Round Lab Birch Juice Moisturizing Double Gel Mask 30 Sheets

Features

The Round Lab Birch Juice Moisturizing Double Gel Mask 30 Sheets features a gelling sheet designed to deliver intense moisture and cooling relief to dehydrated skin. Combining the power of a sheet mask and a gel mask, the unique embossed gel sheet structure enhances skin absorption while helping moisture last longer without drying out quickly. Formulated with a gelling ampoule texture, it adheres comfortably to smooth rough, dry skin texture.

Benefits

This mask delivers deep, multi-layered hydration to solve inner skin dryness while cooling heated skin. In consumer satisfaction evaluations, 100% of respondents reported that their skin felt hydrated for a long time, dry skin felt moisturized, heat-stimulated skin felt comforted, rough skin texture became smoother, and an immediate cooling effect was achieved. The mask helps clear moisture pathways by activating aquaporins and provides strong moisture retention even in dry environments.

Main Ingredients and their effects

Inje Birch Tree Sap: Enriched with birch sap to deeply hydrate and comfort dry skin.

10-Layer Hyaluronate Complex: Features ten forms of hyaluronic acid (including Sodium Hyaluronate, Hydroxypropyltrimonium Hyaluronate, Hydrolyzed Hyaluronic Acid, Sodium Acetylated Hyaluronate, Hyaluronic Acid, Sodium Hyaluronate Crosspolymer, Hydrolyzed Sodium Hyaluronate, and Potassium Hyaluronate) to provide comprehensive layer-by-layer hydration.

Glyceryl Glucoside: Works to open skin hydration pathways by activating aquaporins for smooth absorption.

Hydro Keep-Barrier: Formated with barrier-supporting ingredients like Betulin and Tremella Fuciformis (Mushroom) Extract to lock in moisture and protect against water loss caused by external irritants.

Soothing Cooler: A patented natural botanical complex—containing Aloe Vera Leaf Extract, Kelp Extract, Violet Flower Extract, Elm Root Extract, and Yam Root Extract—that lowers skin heat and delivers immediate cooling relief.

Certifications and Awards

The sheet material holds OEKO-TEX Standard 100 certification and official Vegan certification from the Korea Agency of Vegan Certification and Services. The packaging utilizes FSC-certified paper and soy ink to support forest conservation. The formula includes patented botanical ingredients for skin cooling (Patent No. 10-1793098 / 10-2016-0023235).

Clinical test results

In human application tests conducted by the Korea Institute of Dermatological Sciences on 21 adult women aged 20 to 65: - Immediate skin cooling reduced skin temperature by -10.56°C (or -10°C). - Skin hydration in dry environments improved by 343.4% (or 343.42%) immediately after 1 use and maintained a 100.5% improvement after 20 minutes in a dry environment. - 4-layer skin hydration testing showed a 96.80% improvement in outer skin layer hydration, 9.98% improvement at 0.5mm depth, 9.36% improvement at 1.5mm depth, and 6.18% improvement at 2.5mm depth. - Irritation testing returned a average skin reaction score of 0.00, deeming it non-irritating. The mask has also passed sensitive skin irritation testing with Germany's Dermatest.