TIRTIR SOS Serum facial hydrating serum — 1.69 fl oz, polyglutamic acid & peptides for plumping and dewy glow

This serum is formulated to restore moisture, smooth texture and promote a softer, more luminous complexion without added fragrance. It pairs a high-capacity humectant—polyglutamic acid—with acetyl hexapeptide-8 and soothing botanical extracts such as witch hazel and chamomile to hydrate, comfort and support skin resilience. The non-sticky, vegan formula is designed for daily use in both morning and evening routines and works well under makeup to create a hydrated, dewy finish.

How does TIRTIR SOS Serum hydrate better than ordinary serums?

The key hydration ingredient is polyglutamic acid (PGA), which binds and retains moisture at a higher capacity than many standard humectants. PGA helps skin hold water more effectively, supporting long-lasting plumpness and reducing the feeling of tightness after cleansing.

• Contains PGA with superior water-holding capacity compared to hyaluronic acid.
• Lightweight texture absorbs quickly without stickiness.
• Supports layered routines—apply under moisturizer and SPF.

Will this serum help skin look smoother and more youthful?

Acetyl hexapeptide-8, a peptide ingredient in the formula, supports the skin’s natural structure and can help skin appear firmer and refined over consistent use. Combined with improved hydration from PGA, the result is a visibly plumper surface and softer-looking fine lines.

• Peptide blend supports collagen-related pathways for smoother texture.
• Hydration-driven plumping reduces the appearance of expression lines.
• Daily use can enhance overall skin radiance and elasticity feel.

Is the formula suitable for sensitive or acne-prone skin?

TIRTIR designed this serum to be fragrance-free and gentle, using soothing botanicals like witch hazel and chamomile to calm the skin while minimizing pore appearance. The non-comedogenic, non-sticky formulation makes it appropriate for most skin types, including sensitive and combination skin.

• Fragrance-free, vegan formula reduces irritation risk.
• Witch hazel and chamomile provide soothing and pore-refining benefits.
• Light texture layers well with other treatments and makeup.

How and when should I use the SOS Serum for best results?

Apply the serum after cleansing and toning, both morning and night, to lock in moisture and reduce tightness. It absorbs quickly and can be blended into foundation or used beneath base makeup to create a hydrated, luminous finish.

• Use 2–3 drops on damp skin, then follow with moisturizer and SPF in the morning.
• Can be applied during makeup base application for a dewy glow.
• Consistent application enhances long-term texture and hydration benefits.

Who is this for: TIRTIR SOS Serum is ideal for anyone seeking a reliable, fragrance-free hydration booster that supports plumping and surface-smoothing effects—particularly those with dry, dehydrated, mature or sensitive skin who want a non-greasy daily serum that layers well under moisturizers and makeup. If you want a gentle, science-forward product to improve moisture retention and create a natural-looking glow, this serum is a practical addition to both AM and PM routines.

Ingredients

Water, Dipropylene Glycol, Glycerin, Butylene Glycol, 1,2-Hexanediol, Arginine, Carbomer, Caprylyl Glycol, Panthenol, Betaine, Hamamelis Virginiana (Witch Hazel) Extract, Allantoin, Camellia Sinensis Leaf Extract, Rosmarinus Officinalis (Rosemary) Leaf Extract, Centella Asiatica Extract, Chamomilla Recutita (Matricaria) Flower Extract, Glycyrrhiza Glabra (Licorice) Root Extract, Adenosine, Polygonum Cuspidatum Root Extract, Scutellaria Baicalensis Root Extract, Disodium EDTA, Illicium Verum (Anise) Fruit Extract, Sodium Hyaluronate, Polyglutamic Acid, Natto Gum, Copper Tripeptide-1, Acetyl Hexapeptide-8, Palmitoyl Pentapeptide-4