TRSTAY Hyaluronic Acid Serum – Hydrating & Pore Tightening

Deeply Hydrate & Visibly Refine Your Skin

Introduce your skin to the ultimate hydration boost with the TRSTAY Hyaluronic Acid Essence Serum. This lightweight, fast-absorbing face serum delivers intense moisture deep into the skin's surface, helping your complexion look plumper, smoother, and more radiant with every use. Available in five sizes — 5ml, 15ml, 30ml, 50ml, and 100ml — so you can try it before you commit or stock up on your new daily essential.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Why You'll Love It

• Intense Moisture Delivery: Hyaluronic acid draws moisture into the skin, leaving your face feeling soft, supple, and thoroughly nourished.
• Pore-Refining Formula: Helps minimise the appearance of enlarged pores for a smoother, more even-looking complexion.
• Skin Barrier Support: Formulated to support the skin's natural repair process, reinforcing your moisture barrier over time.
• Unisex & Whole-Face Use: Suitable for all genders and designed for full-face application — works beautifully as a base layer beneath moisturiser or SPF.
• No High-Concern Chemicals: Free from high-concern chemical ingredients for confident, everyday use.
• Multiple Sizes Available: Choose from 5ml, 15ml, 30ml, 50ml, or 100ml to suit your routine and budget.

How to Use

1. Cleanse and tone your face as usual.
2. Dispense 2–3 drops of the essence onto your fingertips.
3. Gently press and pat across the entire face and neck.
4. Follow with your favourite moisturiser to lock in hydration.
5. Use morning and evening for best results.

Product Details

• Brand: TRSTAY
• Suitable For: Unisex
• Application Area: Whole Face
• High-Concern Chemicals: None
• Sizes: 5ml / 15ml / 30ml / 50ml / 100ml
• Made in: Mainland China

Explore More Skincare Essentials

Pair this serum with other hydrating favourites from our collection:

• 10 Dual-End Temporary Tattoo Markers – Body & Face Paint Pens
• 0.5mm Mini Pocket Gel Pen – Quick Dry, Waterproof & 10 Refills

Learn More About Skin Hydration

For more information on how hyaluronic acid and moisturising ingredients benefit the skin, visit the National Institutes of Health (NIH) – Skin Hydration Research.

Learn more: K-beauty

Frequently Asked Questions

Q: What skin types is the TRSTAY Hyaluronic Acid Serum suitable for?

A: This hyaluronic acid essence serum is formulated for all skin types — including dry, oily, combination, and sensitive skin. Its lightweight, water-based texture absorbs quickly without leaving a greasy residue, making it ideal for everyday use on any complexion.

Q: Which size should I choose — 5ml, 15ml, 30ml, 50ml, or 100ml?

A: The 5ml or 15ml sizes are perfect if you'd like to try the serum before fully committing to it. The 30ml is a great everyday size for a single user, while the 50ml and 100ml options offer better value for long-term use or for those who use the serum both morning and evening.

Q: Can I use this hyaluronic acid serum with other skincare products?

A: Absolutely! This essence is designed to be layered within your existing skincare routine. Apply it after cleansing and toning, then follow up with your moisturiser or sunscreen. It works beautifully as a hydrating base layer beneath virtually any skincare product.

Q: How often should I use the TRSTAY Hyaluronic Acid Essence?

A: For optimal hydration and visible pore-refining results, we recommend applying the serum twice daily — once in the morning and once in the evening as part of your regular skincare routine.