Peter Thomas Roth Collagen Skinjection Plumping & Firming Serum
- Water/Aqua/Eau
- solvent base
- Glycerin
- humectant
- Butylene Glycol
- humectant solvent
- Dicaprylyl Carbonate
- light emollient
- Dimethicone
- silicone emollient
- Isodecyl Neopentanoate
- slip emollient
- Mica
- optical filler
- Nicotiana Benthamiana Hexapeptide-40 Sh-Polypeptide-76
- peptide complex
- Althaea Rosea Flower Extract
- botanical extract
- Lycium Barbarum Callus Culture Extract
- botanical extract
- Hydrolyzed Collagen
- film former
- Soluble Collagen
- film former
- Hydrolyzed Elastin
- film former
- Sodium Hyaluronate
- humectant
- Bifida Ferment Lysate
- ferment extract
- Citric Acid
- pH adjuster
- Leuconostoc/Radish Root Ferment Filtrate
- preservative support
- Olive Oil Polyglyceryl-6 Esters
- emulsifier
- Glycolipids
- emulsifier
- Lecithin
- emollient emulsifier
- Xanthan Gum
- thickener
- Caprylyl/Capryl Glucoside
- solubilizer
- Sodium Cocoyl Glutamate
- mild surfactant
- Isomalt
- humectant
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.
Is Peter Thomas Roth Collagen Skinjection Plumping & Firming Serum worth it?
Peter Thomas Roth Collagen Skinjection Plumping & Firming Serum scores 3.6 out of 5.0 for efficacy (Basic) and 4.6 out of 5.0 for safety (Safe) on DemythSkin's independent ingredient analysis. This is mostly a pretty plumping serum wrapped in hype, not a true collagen-rebuilding treatment. The efficacy score is driven by a solid hydrating base (glycerin, butylene glycol, sodium hyaluronate, propanediol) plus a
What are the key active ingredients in Peter Thomas Roth Collagen Skinjection Plumping & Firming Serum?
Peter Thomas Roth Collagen Skinjection Plumping & Firming Serum contains no gold-standard actives — its formula is built on supporting and base ingredients rather than clinically transformative actives.
Does Peter Thomas Roth Collagen Skinjection Plumping & Firming Serum contain fragrance or known irritants?
DemythSkin's analysis found no flagged irritants in Peter Thomas Roth Collagen Skinjection Plumping & Firming Serum. It scores 4.6 out of 5.0 for safety.
How is Peter Thomas Roth Collagen Skinjection Plumping & Firming Serum scored?
DemythSkin grades every product on two independent axes: efficacy (whether the ingredients have clinical evidence of working) and safety (irritation and sensitisation risk). Ingredients are classified S through D against a database of over 3,000 compounds. No brand pays for a score.
Analysis last updated: 2026-09-20. DemythSkin is an independent ingredient analyzer. Scores are computed by a deterministic rubric from published clinical evidence — no brand pays for a score.