Secret Derm Rubber Pack
SECRET DERM's Rubber Pack collection covers 13+ modeling masks - powder-based peel-off treatments that set into a rubbery film on the skin. The range spans two sub-lines: Magic Gum Rubber Pack (2000ml powder bags across five active-ingredient variants: Collagen, Spirulina, Vita, Charcoal, and Aloe) and Natural Modeling Rubber Pack (2000ml bags in Aquavita, Charcoal, and Cool variants). A Gypsum Pack 700g rounds out the line as a firming/massage-oriented treatment. The 2000ml professional-size bags are suited for repeated salon or at-home use; the format mixes with water before application and peels off as a single flexible sheet, which is the defining technique of the rubber mask category. All products are sourced from Korea.
By Skinsli editorial Updated
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Buying guide
SECRET DERM Rubber Packs: How Modeling Masks Work and Which to Choose
SECRET DERM's Rubber Pack collection covers 13 modeling masks - the Korean professional-grade peel-off treatment where a powder formula mixes with water, sets into a flexible rubber-like film on the face, and lifts off in one piece. The range is split across two sub-lines (Magic Gum and Natural Modeling) and a Gypsum Pack, all in large 2000ml professional bags suited to multiple sessions. This guide explains how rubber masks work, what each variant in the Secret Derm range does, and how to use and store them correctly.
What a Rubber Pack (Modeling Mask) Is
A rubber pack - also called a modeling mask or rubber modeling pack - is a powder-based facial treatment that sets into a firm, flexible film on the skin. The powder (typically an alginate or gypsum base mixed with active ingredients) is mixed with cold or lukewarm water immediately before application to form a thick paste, then applied across the face in an even layer. Within 10-15 minutes the paste sets into a rubbery, pliable sheet that peels off the face in one piece without crumbling or leaving residue.
The rubber pack technique is a staple of Korean aesthetic clinics and professional facials. The occlusive setting action traps moisture and heat close to the skin during treatment, which amplifies the penetration of any serum or ampoule applied before the mask. At home, the same technique is used as a weekly or bi-weekly intensive treatment step.
Magic Gum Rubber Pack: Five Active Variants
The Magic Gum Rubber Pack comes in five 2000ml bag formats, each named for its primary active ingredient. Collagen targets firmness and skin elasticity. Spirulina provides antioxidant and detox-oriented benefits from blue-green algae extract. Vita (short for vitamin) centres on brightening through vitamin-complex actives. Charcoal is a detoxifying format for oily and congested skin, drawing out surface impurities during the setting phase. Aloe focuses on soothing and calming - suited to post-sun, reactive, or irritated skin that needs cooling and relief rather than stimulation.
The Magic Gum formula is designed to set into a firm but flexible pack that peels cleanly - the "gum" name refers to the elasticity of the film. All five variants share this base characteristic and differ in their active ingredient profile.
Natural Modeling Rubber Pack: Three Variants
The Natural Modeling sub-line offers three 2000ml variants: Aquavita, Charcoal, and Cool. Aquavita is a hydration-focused formula built around water-binding actives - it suits dry or dehydrated skin that needs replenishment rather than deep cleansing. Natural Modeling Charcoal overlaps in purpose with Magic Gum Charcoal - both target oily or congested skin - but the Natural Modeling formula uses a slightly softer, more flexible set, which can make removal easier for first-time users. Natural Modeling Cool has a cooling mineral component that creates a pleasant temperature drop on the skin during setting, particularly relevant for warm-weather use or post-sun soothing.
The Natural Modeling range is generally considered the gentler sub-line of the two, making it a practical entry point for users new to rubber packs before moving to the more concentrated Magic Gum variants.
Gypsum Pack 700g: Massage and Firming Application
The Gypsum Pack 700g is distinct from the other Rubber Pack formats in both base material and technique. Gypsum (calcium sulfate) is a denser, harder-setting material used in professional facial massage sequences - it sets more firmly than alginate-based packs and applies warmth to the skin as it cures (the gypsum setting reaction is mildly exothermic). In professional use, a gypsum pack is applied after massage and serum steps to lock in the treatment and provide a deeper firming sensation.
The 700g bag is smaller than the 2000ml bags of the other formats, reflecting the higher intensity and lower frequency of gypsum pack use compared to standard rubber packs. Gypsum packs are typically used once a week in a professional setting rather than as a daily-use product.
Which Variant to Choose by Skin Concern
For oily or congested skin: Magic Gum Charcoal or Natural Modeling Charcoal. The charcoal base draws surface oil and impurities during the setting phase. Magic Gum Charcoal sets firmer; Natural Modeling Charcoal is softer and easier to remove if you are new to the technique.
For dry or dehydrated skin: Natural Modeling Aquavita for water-binding hydration, or Magic Gum Aloe for soothing moisture on sensitive or reactive skin.
For dull skin and uneven tone: Magic Gum Vita (vitamin complex) for brightening. The occlusive setting action helps the vitamin actives penetrate during the treatment window.
For firmness and anti-ageing focus: Magic Gum Collagen. Apply a collagen-focused serum before the pack for a stacked treatment. For a warming, deeper firming experience, the Gypsum Pack 700g is the alternative.
For first-time rubber pack users: Natural Modeling Cool or Natural Modeling Aquavita - the softer Natural Modeling formulas peel more forgivingly than the firmer Magic Gum variants.
How to Use SECRET DERM Rubber Packs
Mix the powder with cold or lukewarm water immediately before use - not warm water, which can cause the formula to set too fast. The ratio is typically 1 part powder to 2 parts water for a spreadable paste; adjust slightly for thicker or thinner consistency. Measure into a non-metal bowl (metal can react with alginate), mix quickly to combine, then apply immediately with a flat brush or spatula in an even layer covering the full face, leaving the nostrils clear.
Set time is 10-15 minutes. The pack transitions from paste to firm film; you will feel it tighten. To remove, loosen the edges at the jaw line and peel upward in one piece - the film should lift clean. Rinse any residue with water and follow with your normal toner and moisturiser. Apply a serum targeting the same concern as the pack before application for amplified penetration during the occlusive setting phase.
2000ml Professional Bag: Use Count and Storage
The 2000ml bags hold enough powder for approximately 20-40 individual full-face applications depending on how thick each mix is. At one use per week, a single bag lasts six to nine months. After opening, reseal the bag tightly between uses - powder that absorbs ambient moisture from the air before mixing will set unevenly or clump. Store in a cool, dry place away from humidity.
The large format is priced for repeated use rather than a single treatment. If you want to try multiple variants before committing to a full bag, start with one variant and work through it before opening a second - open bags have a shorter optimal-use window than sealed ones.
Using Professional-Format Rubber Packs at Home
SECRET DERM's Rubber Packs are produced for both professional facial clinic use and at-home application. The 2000ml bags reflect a professional multi-session format, but the mixing-and-apply technique is practical for home use with the right tools. You need: a flat silicone or plastic mixing bowl, a flat mask brush or spatula for application, and a spare towel to protect clothing and surfaces during application. The pack sets firmly and does not drip, but the mixing phase can be messy if you move too quickly.
The main differences between professional and home use are speed (professionals apply faster to ensure even coverage before the formula starts setting) and pre-treatment (professionals apply high-concentration ampoules or electrical currents before the pack to amplify penetration). At home, a targeted serum applied two to three minutes before the pack achieves a similar layering benefit without professional equipment.
FAQ
Frequently asked questions
FAQ
Frequently asked questions
What exactly is a rubber pack and how does it differ from a sheet mask?
A rubber pack (modeling mask) is a powder that mixes with water to form a paste, then sets into a rubbery film on the face that peels off in one piece. A sheet mask is a pre-soaked fabric sheet that sits on the skin for 10-20 minutes without setting and is removed by peeling off the sheet. The rubber pack technique creates an airtight occlusive seal during setting, which increases ingredient penetration and provides a firming sensation that sheet masks do not.
What is the difference between SECRET DERM Magic Gum Rubber Pack and Natural Modeling Rubber Pack?
Magic Gum sets firmer and has a tighter, more elastic film - good for experienced users who want maximum treatment intensity. Natural Modeling sets softer and peels more forgivingly, making it the better starting point for first-time rubber pack users. Both come in 2000ml bags; the choice between them is primarily about texture and setting firmness rather than active ingredients, though the available variants differ: Magic Gum offers Collagen, Spirulina, Vita, Charcoal, and Aloe; Natural Modeling offers Aquavita, Charcoal, and Cool.
Both Magic Gum and Natural Modeling have a Charcoal variant - which one should I buy?
Both target oily and congested skin with charcoal as the primary active. The difference is in the set: Magic Gum Charcoal sets firmer and is better for users already comfortable with rubber packs. Natural Modeling Charcoal sets softer and is easier to remove for beginners. If this is your first rubber pack experience, start with Natural Modeling Charcoal. If you already use rubber packs regularly, Magic Gum Charcoal provides a more intensive treatment.
What is the water-to-powder ratio for mixing SECRET DERM Rubber Packs?
The standard starting ratio is 1 part powder to 2 parts water by volume, mixed immediately before application. Use cold or lukewarm water - not hot, which accelerates setting and reduces your working time. Mix quickly in a non-metal bowl until smooth, then apply immediately with a flat brush or spatula before the paste begins to firm. Adjust slightly for personal preference: more water gives a thinner, more fluid mask; less water makes a thicker, more concentrated application.
Should I apply anything to my face before a SECRET DERM Rubber Pack?
Yes - apply a targeted serum or ampoule two to three minutes before the rubber pack. The occlusive film that forms during setting traps the serum close to the skin and increases how much active ingredient penetrates during the 10-15 minute treatment window. Match the serum to the pack variant: a vitamin C serum before the Vita pack, a hyaluronic acid serum before Aquavita or Aloe, a niacinamide serum before Charcoal. Cleanse and tone as normal before applying the serum, then apply the pack over it.
What is the Gypsum Pack 700g and how is it different from the other rubber packs?
The Gypsum Pack 700g uses a calcium sulfate (gypsum) base instead of the alginate base of the Magic Gum and Natural Modeling packs. Gypsum sets harder and warmer - the setting reaction generates mild heat, which provides a warming firming sensation during treatment. It is used in professional massage-and-pack sequences for deeper firming rather than as a standard weekly mask. The 700g size is smaller because gypsum packs are used less frequently than alginate rubber packs, typically once a week at most.
How should I store an open 2000ml SECRET DERM Rubber Pack bag?
Seal the bag tightly after each use - a zip tie, fold-and-clip, or resealable bag works. Store in a cool, dry place away from moisture. The powder absorbs humidity from the air; if the bag is left open, the powder can clump or start to set unevenly during mixing. A properly sealed, stored bag remains usable for six to nine months after opening at one to two uses per week.
How many applications does a 2000ml SECRET DERM Rubber Pack bag provide?
Approximately 20-40 full-face applications depending on how thick each mix is. A standard professional application uses about 50-100g of powder per session. At one application per week, a single 2000ml bag lasts six months to a year. At two uses per week, expect three to six months. The large bag size is designed for repeated use, which is why the cost-per-session is lower than individually packaged mask sachets.
What does the Magic Gum Rubber Pack Spirulina variant do?
Spirulina (blue-green algae) in the Magic Gum Spirulina 2000ml provides antioxidant and skin-conditioning benefits during the occlusive treatment window. Spirulina is rich in amino acids, chlorophyll, and beta-carotene, which support the skin barrier and provide antioxidant protection. The Spirulina variant suits most skin types and is a good choice when your primary goal is general skin health and antioxidant treatment rather than a specific targeted concern like brightening or oil control.
Are SECRET DERM products professional-grade or consumer-grade?
SECRET DERM Rubber Packs are produced for professional facial clinic use and are sold on skinsli as Korean professional beauty products available to consumers. The 2000ml professional-bag format, the mixing technique, and the product naming conventions are consistent with Korean aesthetic clinic supply. The same products used in Korean clinics are available here. No special equipment is needed to use them at home - a mixing bowl and flat brush are sufficient.