| Ingredient | Function | Tier | NOI | Natural fraction | |
|---|---|---|---|---|---|
| Oleth-8 | Emulsifying Surfactant | Mostly petroleum | 0.43 | → | |
| Oleth-9 | Emulsifying Surfactant | Mostly petroleum | 0.40 | → | |
| Oleuropein | Antioxidant · Hair Conditioning | 100% natural origin | 1.00 | → | |
| Oleyl Alcohol | Emollient · Fragrance | 100% natural origin | 1.00 | → | |
| Oleyl Betaine | Antistatic · Cleansing | Mostly natural | 0.71 | → | |
| Oleyl Erucate | Emollient | 100% natural origin | 1.00 | → | |
| Oleyl Lactate | Emollient | 100% natural origin | 1.00 | → | |
| Oleyl Lanolate | Antistatic · Emollient | 100% natural origin | 1.00 | → | |
| Oleyl Linoleate | Emollient | 100% natural origin | 1.00 | → | |
| Oleyl Myristate | Emollient | 100% natural origin | 1.00 | → | |
| Oleyl Oleate | Emollient | 100% natural origin | 1.00 | → | |
| Oleyl Stearate | Emollient | 100% natural origin | 1.00 | → | |
| Oligopeptide-1 | Skin Conditioning | 100% natural origin | 1.00 | → | |
| Oligopeptide-10 | Antimicrobial · Deodorant | 100% natural origin | 1.00 | → | |
| Oligopeptide-11 | Antimicrobial · Skin Conditioning | 100% natural origin | 1.00 | → | |
| Oligopeptide-12 | Skin Protecting | 100% natural origin | 1.00 | → | |
| Oligopeptide-13 | Skin Protecting | 100% natural origin | 1.00 | → | |
| Oligopeptide-14 | Skin Protecting | 100% natural origin | 1.00 | → | |
| Oligopeptide-15 | Skin Protecting | 100% natural origin | 1.00 | → | |
| Oligopeptide-16 | Skin Protecting | 100% natural origin | 1.00 | → | |
| Oligopeptide-17 | Skin Protecting | 100% natural origin | 1.00 | → | |
| Oligopeptide-18 | Skin Conditioning | 100% natural origin | 1.00 | → | |
| Oligopeptide-19 | Skin Conditioning | 100% natural origin | 1.00 | → | |
| Oligopeptide-2 | Skin Conditioning | 100% natural origin | 1.00 | → | |
| Oligopeptide-20 | Skin Conditioning | 100% natural origin | 1.00 | → | |
| Oligopeptide-21 | Skin Conditioning | 100% natural origin | 1.00 | → | |
| Oligopeptide-22 | Skin Conditioning | 100% natural origin | 1.00 | → | |
| Oligopeptide-236 | Hair Conditioning · Skin Conditioning | 100% natural origin | 1.00 | → | |
| Oligopeptide-24 | Skin Conditioning | 100% natural origin | 1.00 | → | |
| Oligopeptide-25 | Skin Conditioning | 100% natural origin | 1.00 | → | |
| Oligopeptide-26 | Skin Conditioning | 100% natural origin | 1.00 | → | |
| Oligopeptide-27 | Skin Conditioning | 100% natural origin | 1.00 | → | |
| Oligopeptide-28 | Antioxidant · Binding | 100% natural origin | 1.00 | → | |
| Oligopeptide-29 | Antioxidant · Binding | 100% natural origin | 1.00 | → | |
| Oligopeptide-3 | Skin Conditioning | 100% natural origin | 1.00 | → | |
| Oligopeptide-30 | Antioxidant · Chelating | 100% natural origin | 1.00 | → | |
| Oligopeptide-31 | Antioxidant · Chelating | 100% natural origin | 1.00 | → | |
| Oligopeptide-32 | Anti-Sebum · Binding | 100% natural origin | 1.00 | → | |
| Oligopeptide-34 | Skin Conditioning | 100% natural origin | 1.00 | → | |
| Oligopeptide-35 | Skin Conditioning | 100% natural origin | 1.00 | → |