Main Ingredients and Availability of Peel-Off Mask Bases

Question

What are the main ingredients used in peel-off masks that allow them to be peeled off as a sheet? Does MySkinRecipes sell these ingredients or finished peel-off mask bases? Are there any plans to import specific ingredients for peel-off masks in the future?

Answer 1

Main Ingredient for Peel-Off Masks

The main ingredients typically used in peel-off facial masks that form a flexible sheet which can be peeled off without breaking are Algin (often Sodium Alginate or Potassium Alginate) and a Calcium Salt (such as Calcium Sulfate). When these two components are mixed with water, they react to create a gel that sets and forms a flexible, peelable film on the skin.

Other ingredients like Diatomaceous Earth, starches, and gums are often included in peel-off mask bases to improve texture, setting time, and peelability.

MySkinRecipes offers several products that function as peel-off mask bases:

Peel-Off Mask Base (Opaque White, Fast Setting)
Peel-Off Mask Base (Opaque White, Slow Setting)
Hydro Jelly Mask, ready-made mask powder

Regarding the possibility of MySkinRecipes importing a specific ingredient for this purpose, the company previously had plans but encountered difficulties with production requiring special equipment due to the mask hardening quickly upon air exposure. They are currently looking for alternative ingredients for peel-off masks that are easier to work with.

Answer 2

Update 2026-05-24: The original technical explanation remains valid for alginate-style peel-off powder masks: algin/alginates are commonly used together with a calcium salt such as calcium sulfate. After hydration, calcium ions crosslink the alginate and help the mask set into a peelable gel sheet. In this type of mask, starches, diatomaceous earth, gums, sugars, and mineral powders mainly help adjust texture, body, setting behavior, opacity, handling, and peelability rather than acting as the main setting mechanism.

As of this update, MySkinRecipes still has ready-made peel-off mask powder options such as Peel-Off Mask Base Fast Setting, Peel-Off Mask Base Slow Setting, and Hydro Jelly Mask. For users who do not want to balance alginate, calcium salt, starch, gums, hydration speed, and setting time themselves, a ready-made base is usually the easier starting point. Mix alginate-style powders with water only immediately before use, stir thoroughly, and apply promptly because the system can set quickly after hydration.

There are also newer options for different mask formats: Crystal Mask Base for clear gel-mask style systems, ClearFlexPeel Film™ for transparent peelable film systems, and MaskFilm™ as a support polymer for molded sheet-mask systems used with carrageenan. These are not identical replacements for alginate/calcium peel-off powders; choose according to the desired mask format and follow each product’s own instructions.

General safety/handling note: avoid applying peel-off masks near the eyes, eyebrows, hairline, lips, broken or irritated skin, or recently exfoliated skin. Patch testing is recommended, especially when adding fragrance, acids, essential oils, extracts, or other active ingredients. Keep powder bases tightly closed and protected from moisture.

Technical references: Grant et al., FEBS Letters, 1973, 32(1):195-198; Lee & Mooney, Progress in Polymer Science, 2012, 37(1):106-126.