Calvin Klein C.K. One — Type Formula
The definitive clean, sheer unisex citrus that defined a generation.
Zesty bergamot, lemon and pineapple lift a tea-and-violet floral heart. Musk, amber and cedar dry down into that recognizable soft, laundered skin-scent.
Accord skeleton
Composition (22 materials · type reconstruction · amounts locked)
| # | Material | CAS | Amount |
|---|---|---|---|
| 1 | Bergamot oil | 8007-75-8 | 9.8% 🔒 |
| 2 | Lemon oil | 8008-56-8 | 7.6% 🔒 |
| 3 | Mandarin oil | 8008-31-9 | 6.1% 🔒 |
| 4 | Pineapple accord (allyl caproate) | 123-68-2 | 5.3% 🔒 |
| 5 | Cardamom oil | 8000-66-6 | 4.7% 🔒 |
| 6 | Nutmeg oil | 8008-45-5 | 3.9% 🔒 |
| 7 | Green tea accord | 78-70-6 | 3.2% 🔒 |
| 8 | Violet leaf absolute | 8024-08-6 | 2.6% 🔒 |
| 9 | Jasmine (Hedione) | 24851-98-7 | 2.1% 🔒 |
| 10 | Rose oxide | 16409-43-1 | 1.8% 🔒 |
| 11 | Linalool | 78-70-6 | 1.4% 🔒 |
| 12 | Dihydromyrcenol | 18479-58-8 | 1.1% 🔒 |
| 13 | cis-3-Hexenol | 928-96-1 | 0.9% 🔒 |
| 14 | Orris resinoid | 8002-73-1 | 0.7% 🔒 |
| 15 | Cedarwood Virginia oil | 8000-27-9 | 0.5% 🔒 |
| 16 | Oakmoss absolute | 9000-50-4 | 0.4% 🔒 |
| 17 | Sandalwood oil | 8006-87-9 | 0.3% 🔒 |
| 18 | Galaxolide | 1222-05-5 | 0.2% 🔒 |
| 19 | Habanolide | 34902-57-3 | 12.4% 🔒 |
| 20 | Ethylene brassylate | 105-95-3 | 9.8% 🔒 |
| 21 | Musk ketone | 81-14-1 | 7.6% 🔒 |
| 22 | Ambroxan | 6790-58-5 | 6.1% 🔒 |
— = captive material without a public CAS (a substitution is provided in the full spec). Restricted allergens are IFRA-flagged in the paid spec.
What you get
Free — the complete material list, CAS numbers and accord breakdown above. Study the architecture before you spend a cent.
Unlock ($19.99) — exact percentages, a dilution guide, a batch calculator (enter your grams → get every weight), IFRA-compliant substitutions, and your downloadable master spec.
Three ways to wear it
- Build it — source the raw materials and mix from the full spec.
- Shortcut it — use the matched ready concentrate, just add alcohol (coming soon).
- Smell it first — try a finished scent before sourcing dozens of ingredients. See our oil range →
An educational type specification inspired by the composition of Calvin Klein C.K. One. OLFX is not affiliated with or endorsed by the original house. This is a written recipe / analysis, not a physical sample. Reformulate to your market’s IFRA category before use.
[ OLFACTORY PYRAMID ]
[ FORMAT SYSTEM ]
OIL ROLL-ON TECHNOLOGY
OLFx perfume oil offers maximum longevity and deep scent development with no alcohol bite. Applied directly to your pulse points, it melts into the skin, creating an intimate, long-lasting trail.
[+] SHIPPING & RETURNS
Processing: Orders ship within 1-2 business days of confirmation.
Shipping: Tracked U.S. delivery, typically 3-7 business days.
Returns: Unopened items may be returned within 30 days. For hygiene reasons, opened fragrances are non-returnable.
[+] OIL FAQ
> What is an Oil Roll-on? An alcohol-free oil concentrate. It offers long-lasting, more intimate wear.
> How do I apply it? Use the roll-on applicator on your pulse points: wrists, neck, behind the ears, inner elbows.
> How long does it last? Depending on skin type and the fragrance structure, 8-24 hours on skin.