Fck

FCK is a Korean skin care brand with two core moisturizing lines - Warmo and Revolution II - alongside the Sunworld Super Sunscreen. The 11+ products at skinsli include the Warmo Moisturizer 150ml, Revolution II Moisturizer 140ml, Sunworld Super Sunscreen in 50ml and 80ml, and multiple bundled sets (Revolution II, Warmo, Warmo Sportivo Blue, and multi-step 3-piece sets). The brand's naming positions it as a direct, no-fuss Korean skin care option.

  • Sunworld SPF included
  • Warmo + Revolution moisturizers
  • Made in Korea
  • Sets available

By Skinsli editorial Updated

Buying guide

FCK: Buying Guide for Warmo, Revolution, and Sunworld Skin Care

FCK is a Korean skin care brand focused on moisturizing and sun protection. The 11+ products at skinsli span two moisturizing lines (Warmo and Revolution II), a sunscreen (Sunworld Super Sunscreen in 50ml and 80ml), and a range of bundled sets that combine these products for different routine setups. This guide covers what distinguishes the two moisturizer lines, how the Sunworld sunscreen fits in, and which sets make sense for different buyers.

About FCK Skin Care

FCK is a Korean skin care brand with a deliberately bold name and a focused product range. Rather than offering dozens of product types, the brand concentrates on moisturizers and sun protection, with multiple packaging configurations of the same core formulas. The Warmo line and Revolution II line are the two main moisturizing identities; the Sunworld line covers SPF.

At skinsli, the brand's 11 products are available as individual items and as pre-built sets, which is useful if you want to try two formats at once or gift the routine to someone else.

Warmo Moisturizer 150ml: Daily Hydration

The Warmo Moisturizer 150ml is the flagship product in the Warmo line. The 150ml size is generous for a facial moisturizer, providing several months of daily supply. The Warmo name implies warmth in its hydration approach - typically a richer, creamier texture suited for normal to dry skin.

The Warmo line is available as a standalone 150ml, as a two-piece set (2 sets of warmo), as the Warmo Sportivo Blue 2-piece set, and as part of the Warmo Skin 1+Lotion 2 multi-step 3-piece set. If you want to try the Warmo moisturizer and a paired lotion step, the 3-piece set gives you both.

Revolution II Moisturizer 140ml: The Second-Generation Formula

The Revolution II Moisturizer 140ml is the main product in the Revolution line. "Revolution II" signals that this is an updated formula from an earlier version. At 140ml it is slightly smaller than the Warmo 150ml, but both are large by Korean skin care standards where many moisturizers come in 50-60ml jars.

The Revolution II is available as a standalone, as a 2-piece set (FCK Revolution Black 2-piece Set), and as the FCK Revolution II set of 2. The Revolution II Skin 2+Lotion 1 set of 3 bundles the moisturizer with lotion steps, mirroring the Warmo 3-piece configuration.

Warmo vs. Revolution II: How to Choose

Both lines address daily facial moisturizing, and the brand's assortment suggests they are positioned as complementary options rather than one being a clear upgrade over the other. Warmo and Revolution II differ in formula identity: Warmo leans toward a warm, nourishing moisturizing approach; Revolution II presents as a refreshed, modernized formula.

Without in-person testing, the clearest signal for choosing is whether you prefer the set configurations. If you want a moisturizer plus lotion in a single purchase, both lines offer a 3-piece set. If you prefer buying multiples of a single moisturizer, the 2-piece sets for both lines serve that purpose. Start with whichever set format matches your routine - you can switch lines once you have tried one.

Sunworld Super Sunscreen: 50ml and 80ml

The Sunworld Super Sunscreen comes in two sizes: 50ml and 80ml. Both are the same formula, differentiated only by volume. The 50ml is travel-friendly and suits occasional use or trying the formula before committing to the 80ml. The 80ml suits daily users who go through sunscreen faster.

Korean sunscreens are formulated to meet strict regulatory standards and typically carry both SPF (UVB) and PA (UVA) ratings. The Sunworld applies as the last step in a morning routine, after moisturizer. It is not listed as tinted, so it functions as a standalone sun protection step rather than replacing a foundation.

FCK Sets: Which Bundle to Choose

FCK offers several pre-built sets that reduce the need to select individual products. The Warmo Sportivo Blue 2-piece set targets an active or sports context - suggesting a lighter formula or packaging designed for gym or outdoor use. The Warmo Skin 1+Lotion 2 set of 3 bundles one moisturizer with two lotion steps, covering a fuller routine. The Revolution II Skin 2+Lotion 1 set of 3 reverses the ratio: two moisturizers and one lotion.

If you are new to FCK, the 3-piece sets are the most efficient entry point because they give you both the moisturizer and the lotion step in one purchase. If you already know which moisturizer you prefer, the 2-piece sets let you stock up on that formula at once.

Building a Morning Routine with FCK Products

A morning FCK routine uses the Warmo or Revolution II Moisturizer after cleansing and toning, then follows with the Sunworld Super Sunscreen as the final step before going outside. The moisturizer provides hydration and the sunscreen provides UV protection without each product doing double duty. This two-step moisture-plus-SPF approach is standard in Korean morning routines.

The lotion step from the 3-piece sets would come between toner and moisturizer - as a thinner, initial hydration layer before the richer cream. If your routine is minimal, the moisturizer plus sunscreen covers the essentials.

Which Skin Types Are Best Suited for FCK Products

The Warmo Moisturizer at 150ml suits normal to dry skin given the generous moisturizing implied by the name. The Revolution II at 140ml is positioned as a broader-use formula. The Sunworld sunscreen suits all skin types; checking whether it is chemical or physical (mineral) SPF is worth doing if you have very sensitive or acne-prone skin, as some chemical UV filters can cause breakouts.

The Warmo Sportivo Blue set suggests a lighter formulation suited for active use - potentially a better fit for oily or combination skin types that still need SPF and hydration without heaviness during exercise.

Korean Manufacturing and Availability

FCK products are manufactured in Korea. The brand is not widely distributed outside Korea, making skinsli one of the few international sources for the range. Products are sourced directly from the Korean market. The 150ml and 140ml moisturizer sizes are typical of Korean beauty supply formats designed for sustained daily use, not the smaller 50ml jars common in export-focused travel lines.

FAQ

Frequently asked questions

  • FCK is a Korean skin care brand with three named lines: Warmo (moisturizer, 150ml), Revolution II (moisturizer, 140ml), and Sunworld (sunscreen, 50ml and 80ml). The brand also sells several pre-built sets that bundle moisturizers with lotion steps. The focus is daily moisturizing and sun protection.

  • Both are facial moisturizers in similar sizes. Warmo is positioned as a nourishing, warm-style moisturizer suited for normal to dry skin. Revolution II is the brand's second-generation formula. They are separate lines with different formulations rather than the same product in two sizes. Trying one via a set before committing to the other is a practical approach if you are deciding between them.

  • Both the 50ml and 80ml Sunworld Super Sunscreen are the same formula at different volumes. The SPF rating and PA grade are listed on the product packaging. Korean sunscreens typically carry both an SPF number (UVB protection) and a PA+ rating (UVA protection). Check the product listing for the specific SPF value; both sizes share the same protection level.

  • After. In a Korean morning routine, moisturizer comes before sunscreen. Apply the Warmo or Revolution II Moisturizer first, let it absorb, then apply the Sunworld Super Sunscreen as the last skin care step before makeup or going outside. Applying sunscreen last keeps its UV filter layer intact on the skin surface.

  • The Warmo Sportivo Blue 2-piece Set bundles two Warmo-line products in packaging associated with an active or sports context. It likely contains a lighter-texture or sport-oriented version of the Warmo formula suited for use during exercise or in warm conditions. The Sportivo designation suggests it targets people who need moisturizing and possibly SPF coverage during physical activity.

  • The Revolution II Skin 2+Lotion 1 set of 3 includes two skin (toner or first essence) steps from the Revolution II line and one lotion step. This configuration provides the prep and initial hydration layers of a multi-step routine alongside the moisturizer. It suits buyers who want to use FCK products across more than just the final moisturizing step.

  • The Warmo set has one skin step and two lotion steps, while the Revolution II set has two skin steps and one lotion step. The Warmo configuration leans toward lotion-stage hydration; the Revolution II configuration emphasizes the skin/toner prep stage more. Both include three products from their respective lines and cover a fuller routine than buying just the moisturizer alone.

  • If you apply sunscreen daily to your face, the 80ml lasts longer and costs less per ml. The 50ml suits occasional use, travel, or trying the formula before committing to the larger size. Both are the same formula. Daily users going through a bottle every two months or faster will get better value from the 80ml.

  • The Warmo Sportivo Blue set is the best candidate for oily or combination skin given its sports and active-use framing, which typically implies a lighter texture. The core Warmo Moisturizer at 150ml is richer and may feel heavy on oily skin. The Revolution II is a broader formula; check the texture description on the product listing. The Sunworld sunscreen suits all skin types depending on how the UV filters sit on your skin.

  • FCK has limited international distribution. It is not widely available through Western beauty retailers. Skinsli sources it directly from the Korean market, making it one of the primary English-language options for buying the brand without a Korean forwarding service.