Current Price $24.00
Highlights
- Good for: Dry scalp
- Good for: Thinning & hair loss
Details & care
What it is: A concentrated leave-in formula designed to support the scalp and give you thicker, denser, fuller-looking hair.
What it does: Multi-Peptide Serum for Hair Density is a concentrated leave-in formula designed to support the scalp and give you thicker, denser, fuller-looking hair. The formula is lightweight and offers a combination of peptide technologies alongside a series of plant-based extracts. This formula contains REDENSYL™, Procapil™, CAPIXYL™, BAICAPIL™, AnaGain™, and High-Solubility Caffeine. All trademarks belong to their respective owners. REDENSYL is a trademark of Givaudan, Procapil is a trademark of Sederma Inc., CAPIXYL is a trademark of Lucas Meyer Cosmetics Canada Inc., BAICAPIL is a trademark of Provital, S.A., and AnaGain is a trademark of Mibelle Biochemistry. Neither DECIEM nor The Ordinary are affiliated with the trademark owners.
How to use: Massage a few drops thoroughly into clean, dry scalp once daily, ideally at bedtime. The formula is a leave-in treatment. If irritation occurs, rinse off, cease use and consult a physician. Keep out of reach of children. Use in evening. The serum is good for 12 months after opening.
- 2 oz.
- Paraben-free; phthalate-free; sulfate-free; silicone-free; fragrance-free; oil-free
- Store at room temperature (59ºF to 86ºF)
- The ingredient list shown may vary from the box of the product depending on time and region of purchase
- Made in Canada
- Item #7534454
Ingredients
Aqua (Water), Propanediol, Butylene Glycol, Glycerin, Caffeine, Biotinoyl Tripeptide-1, Acetyl Tetrapeptide-3, Larix Europaea Wood Extract, Pisum Sativum Extract, Scutellaria Baicalensis Root Extract, Triticum Vulgare Germ Extract, Glycine Soja Germ Extract, Trifolium Pratense Flower Extract, Camellia Sinensis Leaf Extract, Apigenin, Oleanolic Acid, Arginine, Glycine, Calcium Gluconate, Zinc Chloride, Lactic Acid, Gluconolactone, Dextran, Maltodextrin, Hydroxyethylcellulose, Xanthan Gum, Pentylene Glycol, Dimethyl Isosorbide, Polysorbate 20, PPG-26-Buteth-26, PEG-40 Hydrogenated Castor Oil, Trisodium Ethylenediamine Disuccinate, Sodium Metabisulfite, Sodium Benzoate, Phenoxyethanol, Chlorphenesin.
Ingredients are subject to change at the manufacturer's discretion. For the most complete and up-to-date list of ingredients, refer to the product packaging
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The Ordinary
The Ordinary is democratizing skin care by bringing well-known active ingredients to market at sensible price points. All products are made in the brand's lab, tested on humans (The Ordinary is vegan and cruelty-free) and use ingredients at their highest quality and most effective concentrations. The Ordinary is Clinical Formulations with Integrity.
Most helpful positive review
Jan 5, 2024
actually works
Wish I would’ve taken a before photo. I was having thinning on my temples and decided to try this after looking at several different products. I’ve put it on my temples and throughout my hair just about every evening before bed for 2 1/2 months and the thin areas are pretty much filled in now with baby hairs. It doesn’t smell like anything or make my hair greasy. Just bought a second bottle.
jagv2
Verified purchase
3found this helpful
Most helpful critical review
Apr 11, 2026
Should have read the reviews first!
I saw a lot of people recommending this product on Twitter, but I should have checked the 1 star reviews first before purchasing recently from the birthday sale.
I did a patch test a day prior on my wrist and didn't see any reaction, so I decided to go ahead and try it on my scalp but for some reason applying the serum to my scalp has irritated it SO MUCH. I've got itchy red welts and insane dandruff all of a sudden. Literally only a few hours after using it. I DO NOT recommend if you already have sensitive skin! I suspect it could be the lactic acid in the ingredients? I'm not sure but I WISH I could get a refund.
SM
Reposted from deciem.com
deciem.com response
Hi there! Thank you for sharing your review of Multi-Peptide Serum for Hair Density. We're so sorry to hear about your experience and recommend seeking the advice of a medical professional if you continue to experience any discomfort. We'd like to support you further and have emailed you to continue the conversation. We hope to hear back from you soon!
5 stars
69%
4 stars
17%
3 stars
5%
2 stars
3%
1 star
6%
Pros:
Cons:
Sort by Most Helpful
JEM6
Verified purchase
Mar 31, 2023
confusing to apply
I’m not sure where or how to properly apply this serum. It’s more of a watery consistency than I expected. Directions say to massage a few drops into the scalp. When I use other hair products, I can cover a large area of my scalp with a few drops, bc the consistency is thicker. But not this product. A few drops of this covers a tiny fraction of my head. So should I use more than a few drops? I wish the directions were a little more specific as to where exactly to apply it.
8found this helpful
jagv2
Verified purchase
Size purchased: One Size
Jan 5, 2024
actually works
Wish I would’ve taken a before photo. I was having thinning on my temples and decided to try this after looking at several different products. I’ve put it on my temples and throughout my hair just about every evening before bed for 2 1/2 months and the thin areas are pretty much filled in now with baby hairs. It doesn’t smell like anything or make my hair greasy. Just bought a second bottle.
3found this helpful
Bgpbg
Verified purchase
Apr 13, 2023
Thicker hair
Just started using it. Not sure if I like it. Hair feels oily
1found this helpful
Lana
Reposted from deciem.com
May 3, 2026
Great purchase!
I bought this a month ago and I am so happy to say that it does the work! Yaaaay! My hair appears to be fuller, even on places where I've lost my hair completely!
Sem89&
Reposted from deciem.com
Apr 30, 2026
It’s fantastic
This is the best thing that has happened to my hair. I am very satisfied. My hair seems to have more volume, less hair falls out and looks more alive. My husband has also started using it.
mjbloo
Reposted from deciem.com
Apr 17, 2026
Hair Follicles and Density Improved
For those struggling with Androgenic Alopecia or Menopausal Hairloss, I highly recommend using the Multi-Peptide Serum for Hair Density. I've been struggling with gradual thinning hair due to menopause, and I started using The Ordinary about 5 months ago in conjunction with 5% Minoxidil, and Hair Supplements. I had been using just Minoxidil for about 5 years with Hair Supplements, and definitely have seen a great improvement on hair growth, but the hair density and follicle size were very small and sparse. My hair was fuller, but lifeless. But, by adding the Multi-Peptide Serum, my hair follicle size are much larger and my hair density is fuller. It definitely won't bring my thick hair from my 20s, but I'm not balding and shedding hair as much anymore. I love this formula.
*I use 5% Minoxidil in the morning and The Ordinary Multi-Peptide at night.
