網孔太鬆
水分容易流失
結構較弱
容易變形破裂
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不是纖維布吸附精華。水、保養成分與凝膠基材，共同形成柔軟的水凝膠。
形成過程為原理示意，比例與反應時間經過簡化。 在 YouTube 觀看 ↗
Engineered Hydrogel
Not just hydrogel. Engineered hydrogel.
水凝膠是一種能吸收並保留大量水分的立體網狀結構。 一般纖維面膜以布料承載精華，成分隔著一層纖維； 水凝膠不同——水分與成分本身就是這片凝膠的結構。
但「是不是水凝膠」不是重點。 同樣叫水凝膠，材料本身的性能可能差很多。
把水凝膠想像成一張立體的網
水分容易流失
結構較弱
容易變形破裂
保留高含水
同時維持彈性
與機械強度
凝膠變硬
膨潤能力下降
成分移動受限
理想狀況不是「交聯越多越好」，而是找到適當的交聯結構。
90%
含水量
高含水通常意味著結構較弱、容易破裂，必須做得更厚才能維持完整。 GEV 的做法不是降低含水量換取強度，而是以電子束照射調整交聯網絡， 在保留高含水的同時改善彈性、抗拉強度與延展性。
不是把精華液裝進一片水凝膠，而是從水凝膠本身開始設計。
含水量約 90% 適用於 re:luz 水凝膠面膜全系列，為原廠公開資料。 交聯結構控制技術相關專利：韓國 KR10-2466953 「以電子束照射進行交聯結構控制的水凝膠製造方法，及依此製得之天然多醣水凝膠」， 由 GEV Co., Ltd. 與 BIOCOS INC. 共有，2022 年公告。 上述為材料特性與製程描述，非療效保證。
親水性高分子與網絡，共同幫助材料保有水分。
高分子鏈之間形成三維網絡，支撐含水材料的形態。
含水基質承載配方成分，依不同產品需求設計。
先成形、包裝，再進行 E-Beam 處理。片材成形與內部交聯的形成，需要分開理解。
在適當條件下，電子束促成高分子鏈間交聯，改變材料內部的連接方式。
原廠於密封包裝後進行電子束滅菌。交聯與滅菌，是兩種不同的作用。
E-Beam Technology
Bridging & Sterilizing
電子束（Electron Beam）是以高能電子照射物體的技術。 GEV 以此提供工業與醫療器材的滅菌服務，也用它改質高分子材料。
在 re:luz 的產線上，這道光束同時做兩件事——
交聯 讓高分子鍵結，形成水凝膠的立體結構
滅菌 在產品完成包裝之後，一併完成
原廠將這套製程稱為 Bridging & Sterilizing。 因為結構成型與滅菌在同一道製程裡完成，配方得以不依賴傳統防腐系統。
同樣的技術，也能透過劑量控制讓玻尿酸低分子化—— re:luz 的玻尿酸約為原始尺寸的 1/100。
用光取代化學。
韓國專利 KR10-2416748
Mask-pack with excellent elasticity,and manufacturing method thereof
權利人：서울방사선서비스주식회사（Seoul Radiation Services，GEV 前身） 2020 年申請．2022 年公告
Three ways to sterilise.
環氧乙烷 ・ 化學
低溫進行
適合不耐熱材質
需要後續脫氣時間
加馬射線 ・ 同位素
穿透力強
可整棧板處理
持續放射，無法即時開關
電子束 ・ 電力
數秒內完成
可即時開關
劑量精準可控
不使用化學藥劑
三者皆為國際認可的滅菌方式，適用場景不同。 re:luz 選擇 E-Beam，是因為它能在同一道製程中 同時完成結構成型與滅菌。
re:luz 由韓國 GEV 開發製造；Soft Materials 連接材料技術、品牌與市場，讓對製程的理解走進日常保養。
The Manufacturer
Three decades. One technology.
以輻射劑量偵測服務起家
大型多用途電子束照射設施｜忠清北道音城郡
第三座於 2024 年導入
GEV 為 re:luz 的開發與製造來源，Soft Materials 為其品牌與經銷事業。 re:luz 為化粧品，非醫療器材。
醫療保健產品輻射滅菌
醫療器材品質管理系統
化粧品優良製造規範 GMP
韓國食品醫藥品安全處 · 化粧品製造業登錄
資料來源：GEV Co., Ltd. 公司沿革（gevkorea.com），2026 年 8 月查閱。 認證年份為取得年度，實際效期以各證書所載為準。
One-Step Process
In one place. No waiting.
Fewer steps.Fewer variables.
少一段等待，少一次移動， 也少一分不必要的變數。
資料來源：GEV Co., Ltd. 製程說明文件。「1–2 天」為產線與滅菌設施分屬不同廠區時， 運送與等待所需時間之一般估計，非針對特定同業之比較；「5–12 小時」為 re:luz 產品 於同一廠區完成製造與 E-Beam 滅菌之作業時間。實際時程依品項與批次而異。
產線與滅菌分屬不同廠區時 · re:luz・同廠完成 · 同廠完成
GEV & SOFT MATERIALS · 原廠影片
水凝膠面膜全系列（含 Pure BIM）與衡潤荷荷芭多效護膚油。
What’s not in it
The difference is in what we left out.
水凝膠面膜全系列 ・ 衡潤荷荷芭多效護膚油
不添加防腐劑
不添加酒精
不添加1,2-Hexanediol
不添加人工香精
不添加化學交聯劑
Pure BIM 專研保濕水凝膠面膜全成分 5 項
水、卡拉膠、聚乙烯吡咯烷酮、褐藻酸、結蘭膠
REEZ MOMENT RE:LUZ 玻尿酸保濕水凝膠面膜全成分 6 項
水、卡拉膠、聚乙烯吡咯烷酮、海藻酸鈉、玻尿酸鈉、結蘭膠
其餘水凝膠面膜品項之成分設計依配方需求而異，各品項全成分至多 16 項， 各品項以實際販售標示為準。
「酒精」指乙醇，不代表排除所有名稱含 alcohol 的聚合物或多元醇；不添加人工香精不代表無氣味。請依各商品實際標示為準。
re: means return; luz means light.
From material structure to process, discover the thinking behind every Hydrogel sheet.
Rather than fabric holding essence, water, skincare ingredients and gel materials come together as the Hydrogel itself.
Formation schematic; scale and reaction time are simplified. Watch on YouTube ↗
Engineered Hydrogel
Essence, given form.
A hydrogel is a three-dimensional network that holds a large amount of water. A conventional sheet mask uses a fiber carrier to hold liquid essence; in a hydrogel, the water-based formulation forms the sheet itself.
But whether something is a hydrogel is not the point. Two products can both be hydrogels and behave very differently.
Think of a hydrogel as a three-dimensional mesh
Water escapes quickly
Weaker structure
Deforms and tears easily
Holds a high water content
While keeping elasticity
and mechanical strength
The gel stiffens
Swelling capacity drops
Movement within is restricted
The goal is not more cross-linking.It is the right cross-linking structure.
90%
water content
A high water content usually means a weaker structure that tears easily and has to be made thicker to hold together. GEV's approach is not to trade water for strength, but to adjust the cross-linked network with an electron beam—keeping the water content while improving elasticity, tensile strength, and elongation.
Not essence held in a hydrogel.A hydrogel designed from the structure up.
A water content of approximately 90% applies to the RE:LUZ hydrogel sheet range and is published by the manufacturer. Related cross-linking structure control patent: Korea KR10-2466953, “Hydrogel manufacturing method using crosslinking structure control by electron beam irradiation and natural polysaccharide hydrogel manufactured by the same method,” jointly held by GEV Co., Ltd. and BIOCOS INC., granted 2022. The above describes material characteristics and manufacturing process; it is not a claim of efficacy.
Hydrophilic polymers and their network help the material retain water.
Crosslinks connect polymer chains into a three-dimensional network.
The water-rich matrix carries skincare ingredients, with formulas designed for each product.
Forming and packaging precede E-Beam treatment. Forming a sheet and creating crosslinks within it are distinct steps.
Under suitable conditions, E-Beam promotes crosslinking between polymer chains, changing their internal connections.
The manufacturer applies electron-beam sterilization after sealing. Crosslinking and sterilization are distinct effects.
E-Beam Technology
Bridging & Sterilizing
Electron-beam (E-Beam) technology directs high-energy electrons at a material. GEV uses it to sterilize medical devices and industrial goods, and to modify polymers.
On the RE:LUZ line, the same beam does two things—
Cross-link Bonds polymers into the three-dimensional structure of the hydrogel
Sterilize Applied after the product is sealed in its packaging
The manufacturer calls this process Bridging & Sterilizing. Because the structure forms and the product is sterilized in a single step, the formulation can be made without a traditional preservative system.
Controlled dosing can also reduce the molecular size of hyaluronic acid—the hyaluronic acid used in RE:LUZ is approximately 1/100 of its original size.
A beam, instead of a chemical.
Korean Patent KR10-2416748
Mask-pack with excellent elasticity,and manufacturing method thereof
Holder: 서울방사선서비스주식회사 (Seoul Radiation Services Co., Ltd., now GEV Co., Ltd.) Filed 2020 · Granted 2022
Each suits a different job.
Ethylene oxide · chemical
Runs at low temperature
Suits heat-sensitive materials
Requires an aeration period afterward
Gamma radiation · isotope
Reaches through dense material
Can process full pallets
Continuously radioactive; cannot be switched off
Electron beam · electrical
Completes in seconds
Switches on and off on demand
Precise dose control
Uses no chemical agents
All three are internationally recognized sterilization methods, each suited to different conditions. RE:LUZ uses E-Beam because it can form the gel structure and sterilize the product in the same step.
Developed and manufactured in Korea by GEV, re:luz brings material thinking into daily care. Soft Materials connects materials technology, the brand and its markets.
The Manufacturer
Radiation dosimetry, then sterilization, then materials.
Began as a radiation dosimetry service
Large-scale multipurpose electron-beam irradiation facility · Eumseong, North Chungcheong
The third installed in 2024
GEV Co., Ltd. develops and manufactures RE:LUZ. Soft Materials is its brand and distribution business. RE:LUZ products are cosmetics, not medical devices.
Sterilization of health care products — Radiation
Medical devices — Quality management systems
Cosmetics — Good Manufacturing Practices
Korea Ministry of Food and Drug Safety · Cosmetics manufacturer registration
Source: GEV Co., Ltd. company history (gevkorea.com), accessed August 2026. Years shown are the year each certification was obtained; refer to each certificate for current validity.
One-Step Process
In one place. No waiting.
Fewer steps.Fewer variables.
No transport between sites. No holding time between forming and sterilizing.
Source: GEV Co., Ltd. process documentation. “1–2 days” is a general estimate of the transport and waiting time required when production and sterilization facilities are on separate sites; it is not a comparison with any specific company. “5–12 hours” is the working time in which RE:LUZ products complete production and E-Beam sterilization at the same site. Actual timing varies by product and batch.
Production and sterilization on separate sites · RE:LUZ · same site · Production · Same site
GEV & SOFT MATERIALS · MANUFACTURER FILM
For the full Hydrogel mask range, including Pure BIM, and Pure Jojoba Oil.
What’s not in it
It was never about more.
Hydrogel sheet range · RE:LUZ PURE JOJOBA OIL
WithoutPreservatives
WithoutAlcohol
Without1,2-Hexanediol
WithoutAdded fragrance
WithoutChemical cross-linking agents
PURE BIM HYDRATING GEL SHEET5 ingredients
Water, Carrageenan, PVP, Algin, Gellan Gum
REEZ MOMENT HYALURONIC ACID SHEET6 ingredients
Water, Carrageenan, PVP, Sodium Alginate, Sodium Hyaluronate, Gellan Gum
Formulation design for other hydrogel sheet products varies by product; each contains at most 16 ingredients. Refer to the packaging of each product for its full ingredient list.
Alcohol refers to ethanol, not every polymer or polyol whose name contains alcohol. No added artificial fragrance does not mean scent-free. Refer to each product label.
