A lightweight, fast-absorbing serum with 24% pure vitamin C (ascorbic acid). It adds triple collagen, bisabolol and a CICA-7 complex of centella extracts. TIRTIR is a Korean beauty brand.

Key ingredients

• Pure Vitamin C / Ascorbic Acid (24%): Helps brighten the look of skin and reduce the look of dark spots
• Triple Collagen: Helps hydrate and plump the look of skin
• CICA-7 Complex: Seven centella actives that help soothe
• Bisabolol: Helps calm the look of skin

For most skin types seeking a brighter, more even-looking tone; sensitive skin should start slowly.

1. After cleansing and toning, apply 2–3 drops.
2. Pat gently into the face.
3. Follow with moisturizer.
4. Use once a day, ideally in the evening. If using in the morning, finish with sunscreen.

• Size: 30 mL
• Skin type: all
• Contains 24% pure vitamin C
• Dermatologically tested (brand-stated)
• Made in Korea

Patch test before first use. High-strength vitamin C can cause tingling; start every other day and build up. Wear sunscreen daily while using. Avoid the eye area and broken skin. Stop use if redness, stinging or irritation continues.

Is tingling normal?

A light tingle can happen with pure vitamin C. If it stings or lasts, use it less often or stop.

Can I use it with retinol?

Use them at different times, such as vitamin C in the morning with sunscreen and retinol at night.

• Collagen Lifting Eye Cream
• Ceramic Cream
• Four-Edge Gua Sha – White Jade, for a facial massage after