Regenerist 2in1 Day Face Cream & Serum [Niacinamide & Peptides]

Full ingredient list, decoded

37 ingredients, in label order (highest amount first; below about 1% the order is free).

1. 1AquaAqua is the INCI name for water, the main base of many creams, lotions and cleansers…
2. 2DimethiconeDimethicone is a silicone, a light, water-resistant oil that forms a smooth, breathable…Silicones
3. 3GlycerinGlycerin is a clear, thick, odorless liquid that pulls water into the skin and helps…
4. 4NiacinamideNiacinamide is a form of vitamin B3 used in skincare and haircare to help with oil,…
5. 5Zea Mays Starch
6. 6Dimethicone CrosspolymerDimethicone Crosspolymer is a flexible, network-like silicone that gives a soft, smooth…Silicones
7. 7PanthenolPanthenol is a form of vitamin B5 that the skin and hair convert to pantothenic acid.…
8. 8Palmitoyl Pentapeptide-4
9. 9Pentylene GlycolPentylene Glycol is a small, multi-tasking liquid that attracts water to the skin and…
10. 10HydroxyacetophenoneHydroxyacetophenone is a preservative-support ingredient that helps protect a formula…
11. 11Butylene GlycolButylene Glycol is a clear, odorless liquid that attracts and holds water. It is a…
12. 12Laureth-4Laureth-4 is a gentle nonionic surfactant made from lauryl alcohol and ethylene oxide.…
13. 13Polysorbate 20Polysorbate 20 is a mild, water-soluble emulsifier made from sorbitol and a lauric-type…
14. 14Laureth-7Laureth-7 is a mild nonionic emulsifier, made from lauryl alcohol and ethylene oxide,…
15. 15PEG-40 Hydrogenated Castor OilPEG-40 Hydrogenated Castor Oil is a water-soluble emulsifier made from castor oil. Its…
16. 16Disodium EDTADisodium EDTA is a salt of ethylenediamine tetraacetic acid, a chelating agent that…
17. 17PolyacrylamidePolyacrylamide is a synthetic polymer, a long chain of repeating units, used to thicken…
18. 18Tin OxideTin Oxide is a fine white powder made of tin and oxygen. Its main job is to add opacity…
19. 19C13-14 Alkane
20. 201,2-Hexanediol1,2-Hexanediol is a small, clear liquid that acts as a solvent, a humectant and a…
21. 21SilicaSilica is a fine, white powder made of silicon and oxygen that mainly helps control…
22. 22PhenoxyethanolA synthetic preservative that helps stop bacteria, yeast and mold from growing in…
23. 23ParfumAroma is a label term for a scent blend added to a product to give it a pleasant smell.Fragrance
24. 24Citrus Aurantium Peel OilCitrus Aurantium Peel Oil is a fragrant oil pressed from the peel of the bitter orange,…Essential oils
25. 25LinaloolLinalool is a fragrance compound found naturally in flowers and herbs, and in skincare…Labelled fragrance allergens
26. 26HexamethylindanopyranA synthetic musk used as a fragrance ingredient, its main job is to give products a…
27. 27Tetramethyl AcetyloctahydronaphthalenesA synthetic fragrance ingredient with a soft, woody-amber scent that helps give a…
28. 28Benzyl SalicylateA fragrance ingredient, made from benzyl alcohol and salicylic acid, that gives…Labelled fragrance allergens
29. 29Hexyl CinnamalHexyl Cinnamal is a synthetic fragrance ingredient with a soft, floral scent. Its main…Labelled fragrance allergens
30. 30TerpineolTerpineol is a naturally occurring terpene alcohol found in many plant oils, mainly…
31. 31LimoneneLimonene is a natural scent molecule found in citrus peel oils. It gives products a…Labelled fragrance allergens
32. 32Alpha-Isomethyl IononeA synthetic fragrance ingredient with a soft floral, violet-like scent. Its main job is…Labelled fragrance allergens
33. 33CitronellolCitronellol is a fragrance ingredient found naturally in plants like rose and…Labelled fragrance allergens
34. 34Acetyl Cedrene
35. 35Geranyl AcetateGeranyl Acetate is a fragrance ingredient, the ester of geraniol and acetic acid, that…
36. 36CI 77891Titanium dioxide is a white mineral powder that scatters ultraviolet light, serving…
37. 37MicaMica is a group of shiny minerals that break into thin, flat plates. In cosmetics it…

Source: Olay product page, olay.co.uk/skin-care-products/serum/regenerist-active-skin-firming-day, retrieved November 5, 2026.

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