Peter Thomas Roth Collagen Skinjection Plumping & Firming Serum — Plant Exosomes & Hyaluronic Acid

Peter Thomas Roth Collagen Skinjection™ Plumping & Firming Serum is a science-forward face serum formulated with plant-derived exosomes, growth factors, stem-cell extracts, collagen, elastin and hyaluronic acid to visibly boost the look of plumpness, firmness and skin resilience.

This lightweight, clinically tested serum targets the visual signs of collagen loss by combining biomimetic and botanical actives. The formula layers easily under moisturizers or makeup and is designed to support the appearance of fuller, more elastic skin over time while helping strengthen the skin barrier for improved texture and bounce.

How does this serum help skin look plumper and firmer?

The product blends collagen peptides, elastin and hyaluronic acid with growth-factor–like plant exosomes to support the look of volume and elasticity. These ingredients work together to hydrate, fill and smooth the skin surface so cheeks and fine lines appear less pronounced.

• Collagen peptides and elastin help promote the appearance of structural support.
• Hyaluronic acid attracts and retains moisture for immediate plumping effects.
• Plant-derived exosomes and stem-cell extracts deliver signaling molecules to the skin’s appearance.

When and how should I use it in my routine?

Apply after cleansing and any water-based treatments, but before heavier creams and oils. A few drops morning and night are sufficient; gently press into face and neck until absorbed. Follow with SPF during daytime to protect results.

• Use on clean, dry skin for best absorption.
• Pat 2–4 drops across face and neck; avoid rubbing aggressively.
• Layer under moisturizer and sunscreen in the morning and under a richer night cream if desired.

What immediate and longer-term effects can I expect?

Immediately you may notice smoother texture and added surface hydration, giving a visibly plumper look. With consistent use, the blend of peptides, elastin and growth-factor components aims to improve the look of fullness and elasticity, helping skin appear firmer and more resilient over time.

• Short-term: increased hydration, softer texture, dewy appearance.
• Medium-term: improved look of fullness around cheeks and fine lines.
• Long-term: supports the appearance of skin resilience and a firmer profile when used consistently.

Is this serum suitable for sensitive or barrier-compromised skin?

The formulation is engineered to support the skin barrier and contains humectants like glycerin to soothe and hydrate. While many users with sensitive skin tolerate it well, patch testing is recommended if you have highly reactive skin or are using prescription actives.

• Glycerin and hyaluronic acid help replenish moisture and strengthen barrier appearance.
• Plant-derived active profile reduces reliance on harsh synthetic irritants.
• Always patch test new actives and consult your skin professional for concerns.

Who is this for: Peter Thomas Roth Collagen Skinjection™ Plumping & Firming Serum is intended for anyone noticing a loss of facial fullness, diminished elasticity or rough texture and who wants a targeted, science-backed serum to boost the look of volume and barrier strength. It suits those seeking a multi-targeted treatment blending peptides, biomimetic growth-factor ingredients and hydration boosters—ideal for mature, combination or dry skin types looking to visibly improve plumpness and bounce when used as part of a consistent skincare routine.

• Clinically tested formula helps to combat signs of collagen loss by improving the look of youthful volume.

Ingredients

Water/Aqua/Eau, Glycerin, Butylene Glycol, Dicaprylyl Carbonate, Dimethicone, Isodecyl Neopentanoate, Mica, Nicotiana Benthamiana Hexapeptide-40 sh-Polypeptide-76, Althaea Rosea Flower Extract, Lycium Barbarum Callus Culture Extract, Hydrolyzed Collagen, Soluble Collagen, Hydrolyzed Elastin, Sodium Hyaluronate, Bifida Ferment Lysate, Citric Acid, Leuconostoc/Radish Root Ferment Filtrate, Olive Oil Polyglyceryl-6 Esters, Glycolipids, Lecithin, Xanthan Gum, Caprylyl/Capryl Glucoside, Sodium Cocoyl Glutamate, Isomalt, Sodium Phytate, Acacia Senegal Gum, Ethylhexylglycerin, Potassium Sorbate, Sodium Benzoate, Propanediol, Sodium Acryloyldimethyltaurate/VP Crosspolymer, Triethylhexanoin, Phenoxyethanol.