COSRX
Peptide-132 Ultra Perfect Hair Bonding Oil Serum
COSRX's bonding hair oil serum, a few drops warmed through damp or dry mid-lengths and ends, off the roots. 28 ml.
No reviews yet- Ships from our California warehouse
- Duties prepaid
- Suited to
- MatureFine lines
- Helps with
- Fine lines and loss of bounceEarly environmental damage
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- Duties prepaid
- 30-day returns
- Free US shipping on orders of $100 or more
- Dispatched within 2 business days
How it works
A hair oil is a finishing step, which means it goes on after the wash and after the towel rather than into either. This is the oil serum in COSRX's PEPTIDE-132 range, thin enough to work through the lengths without flattening them. A few drops warmed between the palms and drawn from the mid-lengths to the ends is the whole application, and the roots are left out of it on purpose. Ends that look dull and rough once the hair has dried are what a finishing step is for, and another wash only resets the day. It can go on damp hair before drying, on dry hair afterwards, or a little of both.
Key benefits
- Tripeptide-132, the bond-minded peptide the line is named for, closes the list
- Argan, olive, camellia, jojoba, rice bran and grape seed oils build the gloss
- A dry-oil slip that leaves shine without residue
- Seals ends after heat styling or air drying
Key actives
Argania Spinosa Kernel Oil
argan oil gloss without heaviness
Camellia Japonica Seed Oil
the classic East Asian hair oil
Tripeptide-132 HCl
the bonding peptide the line is built around
COSRX Peptide-132 Ultra Perfect Hair Bonding Oil Serum
What is this hair oil serum for?
This is a lightweight dry-oil serum led by dimethicone and a blend of silicone derivatives, with argan, olive, camellia, jojoba and rice bran oils listed further down and tripeptide-132 closing out the list. It is built to seal and add shine to dry ends after washing or heat styling rather than to clean or condition through a wash cycle.
Will this weigh down fine hair or leave it greasy?
The formula opens with dimethicone and other silicone-family ingredients rather than a heavy mineral oil or butter, which is what gives it a dry-oil feel that sits on the surface rather than soaking in heavily. No mineral oil, paraben or added colourant appears on the list. Warming a small amount between palms and keeping it away from the roots, as directed, helps fine hair avoid a greasy look.
Does the shine effect build over repeated use?
A leave-in oil serum stays on hair rather than rinsing out, so each application adds its own layer of gloss rather than accumulating chemically over time the way a rinse-off treatment might. Using it consistently on damp or dry ends after styling is what keeps the look consistent wash to wash, not a change in the formula's effect itself.
Can I use this after the shampoo and treatment from the same line?
Yes, this serum is designed as the leave-in final step after the rinse-off shampoo and treatment, applied to damp or dry hair rather than during the wash. Because the shampoo and treatment rinse off before this step, there is nothing left behind for the serum's oils to conflict with.
How can I confirm this bottle is the real Korean-market formula?
COSRX verifies units itself rather than through a reseller: locate the batch number and expiration date printed on your bottle and enter them on the verification page at cosrx.com. Reading those figures off your own packaging is the point of the exercise. The barcode for this size is 8809598457355.
- Ships from
- California
Duties are prepaid. Nothing is owed at delivery. Returns are accepted for 30 days, by mail.
Orders ship from our California warehouse, dispatched within 2 business days, and arrive in 3 to 5 days. Shipping is free on orders of $100 or more.
We split shipments free, so one out-of-stock item never holds up the rest of your order.
Where this unit came from
- 1Seoul
Bought as Korean-market stock - 2Customs
Duty paid by us before it enters the US - 3California
Ships domestically, no international leg
We stock the version of a formula that is sold in Korea, not the release a brand prepares for another market under the same name.
Every unit keeps its original barcode and batch code intact, so the unit in your hands can be checked against the brand’s own records.
Import duties are paid by us before the parcel reaches you, so nothing is owed at the door, and returns run for 30 days.
Every claim on this page traces to the unit in the box, the barcode, the batch code and the price you can read for yourself.
Payment and security
We accept
How to use
- Use the Hair Bonding Oil Serum after washing, on hair towelled to damp, or on dry hair as a finish.
- Two or three drops warmed between the palms, then drawn from the mid-lengths down to the ends.
- It goes on after any rinse-out treatment and before heat styling, once the towel has taken the drips out.
- Whenever the ends look rough. Do not work it into the roots or the scalp; an oil there flattens hair rather than smoothing it.
Worth knowing
- Fragrance is on the ingredient list.
- An essential oil or citrus peel oil is on the list; those carrying a fragrance sensitivity should check it.
Reviews
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COSRX, Korean-market original
Peptide-132 bonding oil serum, 28 ml, with Argan and Camellia Oils.
Verify your unit when it arrives
Verify your unit when it arrives
Korean-market stock with the original barcode and batch code intact, exactly as it left Korea.
COSRX verifies units itself. Find the verification page on cosrx.com and enter the batch number and expiration date printed on your unit. Read them off the package rather than from us, which is the point.
Source: COSRX FAQ
On the unit itself
- The Korean-market barcode, unaltered from the retail package.
- The manufacturer’s batch code, exactly as the maker printed it.
정품Genuine article, Korean-market stock
What professionals say
What professionals say
What skin-care professionals say about the key actives in this formula, quoted from the medical sources linked beside each.
Peptides can be anti-inflammatory, and chronic inflammation damages the tissue in your skin.
Wilma Bergfeld, MDDermatologist, Cleveland Clinic Camellia japonica L. (Theaceae) seed oil is an essential component for skin protection, attributed to its antioxidant properties and anti-aging effects.
Gang ChenSchool of Pharmacy, Qingdao University, Life (Basel)
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