Products / Paula's Choice

Pro-Collagen Multi-Peptide Booster

1. Water⁠ Water, the base most formulas are built on. It dissolves the other ingredients
2. Glycerin⁠ Humectants. The reference humectant. Cheap, proven, works at 3 to 10 percent.
3. Pentylene Glycol⁠ Humectants. Humectant with preservative boosting.
4. Hydrolyzed Yeast Extract⁠ Other ingredients. Skin conditioning
5. Pyrus Malus (Apple) Fruit Extract⁠ Other ingredients. Skin conditioning
6. Dimethicone⁠ Emollients. Non-volatile silicone, slip and light occlusion.
7. Propanediol⁠ Humectants. Corn-derived glycol, solvent and humectant.
8. 1
9. 2-Hexanediol⁠
10. Glyceryl Glucoside⁠ Humectants. Humectant, skin conditioning
11. Palmitoyl Tetrapeptide-72 Amide⁠
12. Sh-Polypeptide-121⁠
13. SYN-TC⁠
14. Tridecapeptide-1⁠ Other ingredients. Skin conditioning
15. Polyglucuronic Acid⁠ Other ingredients. Skin conditioning
16. Sodium Hyaluronate⁠ Humectants. Smaller fragments reach the upper epidermis.
17. C9-12 Alkane⁠ Fragrance, colour, solvents. Solvent
18. Ammonium Polyacryloyldimethyl Taurate⁠ Emulsifiers. Emulsion stabilising, viscosity controlling
19. Polygonum Bistorta Root Extract⁠ Other ingredients. Skin conditioning
20. Bacillus Ferment⁠ Other ingredients. Skin conditioning
21. Lecithin⁠Feeds Malassezia Emulsifiers. Phospholipid emulsifier and penetration aid.
22. Sodium Phytate⁠ pH adjusters and chelators. Plant chelator.
23. Coco Caprylate/Caprate⁠Feeds Malassezia Emollients. Coconut-derived ester, mid weight.
24. Hexylene Glycol⁠ Surfactants. Emulsifying, perfuming, skin conditioning, solvent, surfactant
25. Cetyl Hydroxyethylcellulose⁠ Emulsifiers. Emulsion stabilising, film forming, viscosity controlling
26. Xanthan Gum⁠ Thickeners and film formers. Natural gum thickener.
27. Ethylhexylglycerin⁠ Preservatives. Preservative booster and deodorising agent.
28. Caprylyl Glycol⁠ Preservatives. Glycol preservative booster, humectant.
29. Magnesium Chloride⁠ Thickeners and film formers. Viscosity controlling
30. Potassium Sorbate⁠ Preservatives. Antifungal preservative, works at low pH.
31. Sodium Benzoate⁠ Preservatives. Food-grade preservative, works below pH 5.5.

Taken from Paula's Choice's product page, last checked 2026-10-26. Formulas change, so check the pack before you buy. Brands can send us a correction.