As the cold wind begins to blow, the skin is the first to sense the change of seasons. When the temperature drops and the air becomes dry, the skin quickly loses moisture, leading to tightness, flakiness, and breakouts. During autumn and winter, when the skin barrier is more vulnerable to external irritants, maintaining proper hydration balance becomes more important than ever.
Skincare experts advise, “During the cold season, when both wind and indoor heating cause dryness, it’s best to use products that keep the skin moisturized without feeling heavy or irritating.” Reflecting this insight, COSTOK’s Basic Line has gained attention as a “light yet effective skincare line” designed for the changing seasons.
COSTOK’s Basic Line embodies the values of lightness, gentleness, and safety. To minimize unnecessary irritation, the products are formulated without harmful ingredients and are made primarily from naturally derived, skin-friendly components. Potential irritants such as artificial colorants, synthetic fragrances, parabens, and sulfates are strictly minimized, making the products suitable even for those with sensitive or easily reactive skin.
COSTOK CEO Jiyoung Kang explains, “Because basic skincare products stay on the skin the longest, we prioritized safety and purity above all else. Each formula is designed to deliver long-lasting hydration while maintaining a soft, comfortable feel—even in the driest months.”
Another key feature of the COSTOK Basic Line is its lightweight, fast-absorbing texture. It applies smoothly without stickiness or heaviness, making it ideal for use before makeup or as part of a daily skincare routine. Despite its light texture, the hydration and moisture retention last for hours, leaving the skin deeply nourished and supple.
The three-step system — toner, serum, and cream — works synergistically to strengthen the skin barrier and deliver intensive hydration. Together, they create a simple yet powerful foundation for maintaining skin health throughout the cold season.
As temperatures drop and humidity decreases, the skin’s natural ability to retain moisture weakens. During these months, what the skin needs most is not aggressive products but a gentle, balanced skincare routine that restores harmony. COSTOK’s formulas are designed to help the skin regain its natural strength and resilience against environmental changes.
If your skin becomes sensitive, red, or uncomfortably dry even from minor irritation, it may be time to simplify your skincare routine. Switching to light, safe products like those in COSTOK’s Basic Line helps rebuild the skin’s foundation and protect its natural moisture barrier. Consistent, gentle care leads to skin that stays hydrated and radiant, even through the harshest winter days.
COSTOK is more than just a beauty brand — it aims to restore the skin’s natural balance and health from within. Maintaining steady, resilient skin despite seasonal changes is at the heart of COSTOK’s philosophy of true beauty.
With its lightweight and gentle formulas, safe ingredients, and commitment to nurturing the skin’s natural vitality, the COSTOK Basic Line offers the perfect starting point for achieving healthy, glowing skin throughout the cold season.
▲ DONA CO.,LTD
▲ Costok
▲ CEO KANG JI YOUNG
▲ www.costok.co.kr
▲ kskang75@hanmail.net
SALLY LEE
US ASIA JOURNAL
