TRSTAY Lactobionic Acid Serum – Pore Minimizing & Brightening

Discover the secret to visibly smoother, more radiant skin with the TRSTAY Lactobionic Acid Face Serum — a Korean-inspired skincare formula designed to refine pores, even skin tone, and deliver deep, lasting hydration. Whether you're looking to brighten dull skin, minimize the appearance of enlarged pores, or target early signs of aging, this lightweight serum works seamlessly into any daily routine.

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

• Pore Minimizing Formula: Lactobionic acid gently exfoliates at the surface level, helping to visibly tighten and refine the look of enlarged pores over time.
• Brightening & Even-Toning: Helps fade the appearance of fine lines, dark spots, and uneven pigmentation for a more luminous complexion.
• Intense Moisturization: Delivers a surge of hydration that locks in moisture, leaving skin feeling supple, plump, and comfortable throughout the day.
• Anti-Aging Support: Encourages skin cell renewal to promote a firmer, more youthful-looking appearance with continued use.
• Unisex Formula: Suitable for all skin types and genders — lightweight, non-greasy, and designed to layer easily with your existing skincare routine.
• Korean Cosmetics Quality: Formulated to Korean beauty standards, combining advanced ingredients with a gentle, skin-friendly approach.

Key Ingredient Spotlight

Lactobionic Acid is a next-generation polyhydroxy acid (PHA) that offers exfoliating benefits comparable to AHAs but with a gentler touch — making it ideal for sensitive and combination skin types. It works to smooth skin texture, encourage a brighter complexion, and support the skin's natural moisture barrier.

How to Use

1. Cleanse your face thoroughly and pat dry.
2. Apply a small amount of serum to fingertips.
3. Gently press and smooth onto face and neck, avoiding the eye area.
4. Follow with your favourite moisturizer or SPF during the day.
5. Use morning and/or evening for best results.

Product Details

• Brand: TRSTAY
• Item Type: Face Serum
• Formulation: Oil
• Gender: Unisex
• Quantity: 1 Unit
• High-Concern Chemicals: None
• Made in: Mainland China

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Expert Skincare Reference

For general guidance on skincare ingredients and how they interact with your skin, visit the FDA Cosmetic Ingredients resource. You can also explore skin health tips at the American Academy of Dermatology. For more on skin health, visit this PubMed article on polyhydroxy acids and skin care.

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Frequently Asked Questions

Q: What is lactobionic acid and what does it do for skin?

A: Lactobionic acid is a polyhydroxy acid (PHA) known for its gentle exfoliating properties. Unlike stronger acids, it works gradually to refine skin texture, minimize the appearance of pores, support moisture retention, and promote a brighter, more even-toned complexion — making it suitable for a wide range of skin types including sensitive skin.

Q: Is this TRSTAY face serum suitable for sensitive skin?

A: Yes! Lactobionic acid is generally considered gentler than traditional alpha-hydroxy acids (AHAs), making this serum a great option for those with sensitive or combination skin. We always recommend a patch test before full application if you are trying a new skincare product.

Q: How soon can I expect to see results from the lactobionic acid serum?

A: Most users begin to notice improved hydration and skin texture within 2–4 weeks of consistent daily use. Visible pore minimizing and brightening effects typically become more noticeable after 4–8 weeks with regular morning and/or evening application.

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

A: Absolutely. This lightweight serum is designed to layer well under moisturizers, sunscreens, and other treatments. Apply it after cleansing and toning, and before heavier creams or oils for the best absorption.