TRSTAY Collagen Face Serum – Firming & Moisturizing Oil

Revive your complexion with the TRSTAY Collagen Boosting Face Serum — a lightweight, oil-formulated serum designed to visibly smooth the look of fine lines, deeply hydrate, and help skin appear firmer, plumper, and more radiant with consistent use. Available in 5ml, 15ml, 30ml, and 50ml sizes to suit your skincare routine and budget.

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

• Collagen-Supporting Formula: Helps encourage a visibly firmer, more supple skin appearance over time.
• Intensive Moisturization: Oil-based formulation delivers deep hydration to dry, dull, or dehydrated skin.
• Smoothing Effect: Works to soften the appearance of fine lines and promote a more even skin texture.
• Skin-Tightening Feel: Leaves skin feeling toned, lifted, and velvety-smooth after each application.
• Unisex Formula: Suitable for all skin types and genders.
• No High-Concern Chemicals: Formulated without listed high-concern chemical ingredients.

Product Specifications

• Brand: TRSTAY
• Item Type: Face Serum
• Formulation: Oil
• Feature: Moisturizing
• Gender: Unisex
• Number of Pieces: One Unit
• Available Sizes: 5ml / 15ml / 30ml / 50ml
• Made in: Mainland China

How to Use

1. Cleanse and tone your face thoroughly.
2. Apply a few drops of the serum to your fingertips.
3. Gently press and smooth onto face and neck using upward motions.
4. Allow the serum to absorb fully before applying moisturizer or SPF.
5. Use morning and/or evening for best results.

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Expert Reference

Learn more about how skincare ingredients and topical products are regulated and assessed for safety at the U.S. Food & Drug Administration – Cosmetics.

Frequently Asked Questions

Q: What skin types is the TRSTAY Collagen Face Serum suitable for?

A: This face serum is designed as a unisex, all-skin-type formula. Whether you have dry, combination, or normal skin, the moisturizing oil-based formulation is crafted to deliver hydration and a firmer-looking complexion for a wide range of users.

Q: How often should I apply the collagen-boosting serum?

A: For optimal results, apply the serum once or twice daily — in the morning and/or evening — after cleansing and before your moisturizer. Consistent daily use is key to seeing a visible improvement in skin texture and suppleness over time.

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

A: The 5ml size is perfect for travel or trying the product for the first time. The 15ml and 30ml sizes are ideal for regular daily use, while the 50ml bottle offers the best value for those who have made this serum a staple in their skincare routine.

Q: Can this serum be used under makeup?

A: Yes! Allow the serum to fully absorb into your skin (approximately 1–2 minutes) before applying sunscreen, moisturizer, or makeup. The lightweight formula is designed to layer well under other skincare and beauty products.