Dermailly

Dermailly is a Korean skincare brand at skinsli built around ectoin, a naturally derived extremophile compound used for skin barrier protection and soothing. The collection of 10 products centers on the Ectoin 7% Derma Cream Ultra 50ml - available as a standalone, in 2-pack and 4-pack bundles, and paired with the Mist or Serum. The Ectoin Derma Cream Serum 30ml and Ectoin Derma Cream Mist 100ml are the companion treatment formats. The Ectoin Facial Full Cover Package bundles multiple products for a complete routine. A serum-plus-two-cleansing-foam bundle rounds out the range. All products use ectoin as the core active at meaningful concentrations.

  • 7% Ectoin formula
  • Barrier repair focus
  • Cream, serum, mist
  • 10 products

By Skinsli editorial Updated

Buying guide

Dermailly Ectoin Guide: 7% Cream, Serum, Mist, and Bundle Sets

Dermailly is a Korean skincare brand at skinsli focused on ectoin - a compound originally found in salt-lake extremophile bacteria that is used in skincare for barrier protection and anti-inflammatory properties. The brand's 10 products build a full routine around the Ectoin 7% Derma Cream Ultra, paired with a serum, a mist, and several bundle configurations. This guide explains what ectoin does for skin, how the three core Dermailly formats work together, and which bundle best fits different routine needs.

What Ectoin Is and Why 7% Matters

Ectoin (ectoine) is a naturally occurring cyclic amino acid compound produced by extremophile microorganisms living in high-salt environments like salt lakes and hot springs. These organisms use ectoin to protect their cellular structures from extreme conditions. In skincare, ectoin is used for its ability to form a protective water-shell around proteins and cell membranes, stabilizing skin cells against environmental stress, UV damage, and inflammatory triggers.

In topical application, ectoin concentrations in published studies range from 1% to 7%. Dermailly's Ectoin 7% Derma Cream Ultra uses the high end of this range, where the most significant barrier-repair and anti-inflammatory effects have been documented in clinical literature. Compared to lower-concentration ectoin products (1% to 2.5%), the 7% claim signals a formulation targeting the upper end of the clinically active range rather than a token inclusion of the ingredient.

Ectoin 7% Derma Cream Ultra 50ml: Core Product in the Lineup

The Ectoin 7% Derma Cream Ultra is the foundation of the Dermailly range. At 50ml, it is a standard facial moisturizer size providing roughly two months of daily use. The "Ultra" positioning suggests it is the fullest-formula cream in the lineup, combining the ectoin barrier-repair function with a rich moisturizer base. It suits all skin types, including sensitive and reactive skin, for which barrier repair is particularly relevant.

Apply after toner and serum, or after the Ectoin Derma Cream Serum if you use both. The cream is the final step before SPF in the morning. For dry or very reactive skin, it can also be used as an evening repair cream applied generously before bed. Multiple bundle configurations - 2-pack, 4-pack - indicate this is intended as a replenishment purchase once buyers confirm the formula suits their skin.

Ectoin Derma Cream Serum 30ml: Concentrated Treatment Step

The Ectoin Derma Cream Serum at 30ml is the concentrated treatment format in the Dermailly lineup. Despite the "cream serum" name, this is applied in the serum step - after toner, before the heavier Ectoin 7% Cream. Cream serums in Korean skincare bridge between the texture of a liquid serum and a light cream, making them suitable as both a treatment and a lightweight moisturizer in one step for skin that does not need the fuller cream on top.

At 30ml, the serum provides roughly one to two months of daily use at 3 to 5 drops per application. It works well for combination skin that wants the ectoin barrier benefit without the richer cream texture, or for skin in warmer climates where a lighter texture is preferred. The serum also appears in several bundles - the serum+mist set and the full cover package - for buyers who want both the serum and the cream together without choosing between them.

Ectoin Derma Cream Mist 100ml: Hydration On-the-Go

The Ectoin Derma Cream Mist at 100ml delivers ectoin in a spray format for use over skin or light makeup. Mists in this format are used for midday hydration when skin feels tight or dry, as a setting step after applying skincare in the morning, or for quick application when a full routine is not possible. The ectoin in the mist provides the same barrier-support function as the cream and serum but in a lighter, quicker-absorbing format.

Spray from 20 to 30cm away and let the mist settle rather than rubbing it in. Over makeup, a light mist application can revive the skin's appearance without disturbing the base. The 100ml size is borderline portable - it fits a larger bag but may be too large for a pocket or small clutch. For travel, the mist is the most convenient of the three Dermailly formats to carry without decanting.

Choosing Between the Dermailly Bundle Configurations

Dermailly offers several bundle formats. The Ectoin Derma Cream Serum + Mist bundle pairs the serum and mist without the cream - suited for buyers who already have a cream or want a lighter routine. The Derma Cream Ultra + Serum + Mist bundle covers all three core formats for a full Dermailly routine in one purchase. The Ectoin Facial Full Cover Package likely extends to additional products like a cleanser.

The multi-pack bundles - 2pcs Cream Ultra + 1pcs Mist, and 4pcs Cream Ultra + 1pcs Serum - are replenishment formats for buyers already committed to the Cream Ultra as their primary Dermailly product. The 4-pack with a serum is the highest-volume option and provides the best cost per unit of the cream. The serum + 2 Cleansing Foams bundle adds a cleansing step at a discount, useful for buyers who want to start the full routine from the first wash.

Why Dermailly Ectoin Products Suit Sensitive and Reactive Skin

Ectoin is non-irritating, fragrance-free in most formulations, and has no known common allergens. Its mechanism - water-shell formation around skin cells - does not rely on chemical reactions with skin proteins the way some actives (retinol, AHA, BHA) do. This makes it compatible with the most reactive skin types, including rosacea-prone skin, post-procedure skin, and skin that has been compromised by over-exfoliation or irritant exposure.

For sensitive skin, Dermailly products work well as a core routine without the need to worry about ingredient interaction. Ectoin also has documented efficacy in reducing inflammatory skin responses, which makes it a useful addition for anyone whose skin flares with redness or tightness. The 7% concentration in the Derma Cream Ultra is the most clinically active level available in the lineup.

Using Dermailly Ectoin with Other Skincare Actives

Ectoin is one of the most compatible actives in Korean skincare because it has no known negative interactions with other common ingredients. It can be layered under or over retinol, vitamin C, niacinamide, peptides, AHAs, and BHAs without destabilizing those actives or causing irritation. In fact, ectoin is sometimes deliberately paired with aggressive actives precisely to buffer skin's response.

If you use exfoliating acids or retinol in your routine, adding the Ectoin 7% Cream as the final moisturizer step provides barrier support that reduces the transient irritation and dryness those actives can cause. The mist is also useful as a pre-treatment step before aggressive actives - applying it to slightly damp skin before retinol dilutes the active slightly and reduces the chance of irritation. The serum works well as a buffer between toner and a more potent treatment serum.

FAQ

Frequently asked questions

  • Ectoin is a naturally derived compound from extremophile bacteria that live in salt lakes and similar harsh environments. In skincare, it forms a protective hydration shell around skin cells, shielding them from environmental stress, UV-induced damage, and inflammatory signals. At 7% in the Dermailly Cream Ultra, it provides meaningful barrier repair and anti-inflammatory effects that are well-documented in clinical literature. It has no known common allergens and no interactions with other skincare actives, making it a safe choice for sensitive skin.

  • Published studies on ectoin's barrier-repair and anti-inflammatory effects have used concentrations from 1% to 7%. Dermailly's 7% Derma Cream Ultra positions at the upper end of this range where the strongest effects have been observed. Many other brands include ectoin at 1% to 2.5%, which provides some benefit but at lower efficacy. A 7% concentration requires more of the ingredient per product, which affects formulation cost. Whether the specific benefit difference is perceptible in daily use depends on individual skin condition and how compromised the barrier is.

  • The serum goes first. Apply the Ectoin Derma Cream Serum (30ml) after toning as the treatment step, then apply the Ectoin 7% Derma Cream Ultra (50ml) on top as the moisturizer. Both use ectoin, so using them together compounds the barrier-repair benefit - the serum delivers a concentrated ectoin layer directly to the skin, and the cream seals it while providing additional moisture. If you want a lighter routine, use the serum alone and skip the cream in warmer weather, or use the cream alone and skip the serum on days when your skin is not particularly stressed.

  • Yes. Spray it lightly from 20 to 30cm away and allow it to settle naturally - do not rub or touch the skin after application. The ectoin provides a midday barrier support and hydration boost without disturbing makeup. Cream mist formulas tend to be slightly richer than plain water mists, which means they leave a light conditioning layer when they dry down. If your makeup is matte-finish, test once to confirm the mist does not shift it toward a dewy appearance before committing to daily use over makeup.

  • Ectoin is one of the more suitable actives for rosacea-prone skin. It is non-irritating, fragrance-free in most formulations, and has anti-inflammatory properties that directly address the chronic low-level inflammation associated with rosacea. Clinical studies on ectoin have included rosacea subjects, and the ingredient's mechanism does not involve the chemical reactions with skin that often trigger rosacea flares. For rosacea-prone skin, the Ectoin 7% Cream Ultra offers both barrier support and anti-inflammatory benefits, which are the two primary skin needs in rosacea management. Patch test first, as individual reactions vary.

  • The full contents of the Ectoin Facial Full Cover Package are detailed on the product page. Based on the naming, it likely includes multiple Dermailly products covering several routine steps - potentially the Cream Ultra, Serum, and Mist together, or including a cleanser as well. The Full Cover Package is designed for buyers who want a complete Dermailly routine without selecting individual products separately. Check the product listing for the exact items and quantities in the current bundle configuration.

  • Yes. Ectoin has no known interaction with retinol and is one of the recommended pairings to reduce retinol's transient irritation effects. Apply retinol first as the active step, then apply the Ectoin 7% Cream Ultra on top as the final moisturizer. The cream's barrier-support properties help contain the irritation response retinol can trigger, especially in the first weeks of use. Alternatively, use the ectoin mist before retinol on slightly damp skin to dilute the initial contact.

  • Yes, Dermailly is a Korean skincare brand. The products are made in Korea and sourced through Korean wholesale channels for sale on skinsli.com. Orders ship from a US warehouse. Product labels are in Korean, which is standard for Korean-market stock distributed through B2B import channels.