As the cold wind begins to blow, the first place to feel the change of season is the skin. When the air turns cold and dry, the skin quickly loses moisture, leading to tightness, flakiness, redness, and irritation. During this time, skincare should go beyond simple hydration — it must focus on restoring the skin’s natural balance and resilience. Korean skincare brand COSTOK understands these seasonal transitions better than anyone and helps the skin prepare for winter with its philosophy of “light yet safe hydration.”
Many people assume that heavier, richer creams are necessary in colder weather, but the real key is maintaining a stable moisture balance within the skin. Overly oily products can clog pores or trigger breakouts. To address this, COSTOK embraces the concept of “Light Hydration, Deep Comfort” — achieving long-lasting, deep hydration without weighing down the skin.
COSTOK’s Basic Line helps the skin stay naturally healthy even as the seasons change. Its gentle, fast-absorbing formulas softly envelop the skin from the first step after cleansing, forming a “moisture shield.” These lightweight yet long-lasting hydrating products relieve dryness caused by indoor heating and cold winter winds.
All COSTOK products are created with the belief that “only what the skin truly needs should remain.” They exclude parabens, sulfates, artificial colorants, and synthetic fragrances, relying instead on naturally derived ingredients.
COSTOK CEO Jiyoung Kang explains, “Basic skincare products stay on the skin the longest, so it’s crucial that they feel safe and non-irritating. COSTOK focuses on restoring the skin’s natural strength through gentle ingredients and balanced hydration energy.”
Thanks to this philosophy, COSTOK products are suitable even for sensitive or easily irritated skin. They absorb quickly, feel light, yet deliver lasting moisture — helping the skin remain calm and stable despite environmental changes.
The COSTOK Basic Line consists of a simple three-step routine: toner, serum, and cream. Each product is effective on its own but delivers the best results when used together. First, COSTOK Timeless Essence Skin — used immediately after cleansing — opens the skin’s moisture channels, providing instant hydration and preparing it to better absorb subsequent products. Second, COSTOK Timeless Tega Drop Ampoule — a lightweight yet deeply hydrating serum — replenishes moisture deep within, keeping the skin supple for hours. Finally, COSTOK Timeless Tega Drop Cream seals in moisture and strengthens the skin barrier. Instead of silicone oils, it uses natural moisturizing factors for a fresh, non-greasy finish. This three-step routine offers an easy yet effective winter skincare solution for modern, busy lifestyles.
When seasons change, the skin reacts sensitively to environmental stressors such as dryness, temperature shifts, and fine dust. These can weaken the skin barrier and cause irritation or breakouts. COSTOK centers its skincare philosophy on restoring balance. Despite their light textures, COSTOK’s products strengthen the skin over time, stabilizing oil-moisture levels. With consistent use, redness and dryness are visibly reduced, and makeup adherence improves.
COSTOK’s approach to moisture is not merely about making the skin feel hydrated — it’s about empowering the skin to retain moisture on its own.
November marks the threshold of winter. As cold winds and indoor heating start to alternate, COSTOK delivers the message of “Skin Reset.” Instead of complex beauty routines, what the skin truly needs now is gentle, minimalist care that helps restore its natural balance.
Through simple yet essential hydration, COSTOK gives the skin a moment of rest — light textures, safe ingredients, and the lasting glow that comes from consistency. That is the true essence of COSTOK’s winter moisture care.
In November, when your skin feels the changing season most acutely, what it needs isn’t flashy trends but the basics of light, safe hydration. COSTOK stays true to those fundamentals, offering your skin warmth, comfort, and vitality. This winter, let COSTOK’s gentle moisture care be the most reliable first step toward a healthy, radiant complexion.
▲ DONA CO.,LTD
▲ Costok
▲ CEO KANG JI YOUNG
▲ www.costok.co.kr
▲ kskang75@hanmail.net
SALLY LEE
US ASIA JOURNAL
