CosRx Patented Peptide 132, Ultra Perfect Hair Bonding Oil Serum, For All Hair Types, 0.94 fl oz (28 ml)
CosRx Patented Peptide 132, Ultra Perfect Hair Bonding Oil Serum, For All Hair Types, 0.94 fl oz (28 ml)
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COSRX

CosRx Patented Peptide 132, Ultra Perfect Hair Bonding Oil Serum, For All Hair Types, 0.94 fl oz (28 ml)

Key item features

  • Repair & Glow
  • Clinically Proven
  • Peptide-132 A patented* peptide, scientifically formulated to bond with damaged hair structures and promote repair
  • It effectively reverses signs of damage caused by various factors, restoring hair's strength and resilience
Current price is $19.69
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  • Free 30-day returns

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Arrives between Jun 18 - Jun 22
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Sold and shipped by iHerb
4.556179381009193 stars out of 5, based on 14249 seller reviews(4.6)
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5 out of 5 stars
stars111 ratings99 reviews
How item rating is calculated
  1. 5 stars95% (106)
  2. 4 stars5% (5)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star0% (0)

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Showing 1-3 of 99 reviews

May 20, 2026
Molly P.
5 out of 5 stars review

Adds such a great shine

[This review was collected as part of a promotion.] Adds such a great shine to my hair even without using the shampoo and conditioner. I have grey hair and need to use purple shampoo and use this in my hair routine to make my hair shine and Grey's look hydrated and smooth. I can even use it between washes without my hair feeling greasy and that is a great plus. Absolutely reccomend this hair serum to all who need an easy way to add some shine to your dull sad hair!

Review from cosrx
Helpful?11CAKOS7M8UK19627169956
Jan 25, 2026
Eva E.
5 out of 5 stars review

I can definitely tell a

[This review was collected as part of a promotion.] I can definitely tell a big difference in just the first time bottle usage. Reduction in flatness My hair is looks and feels great. Shine and show results immediately. ReductionThe bottle needs to be bigger for us thick haired women

Review from cosrx
Helpful?11CAKOS7M8UK19627169956
Sep 12, 2025
Lea W.
5 out of 5 stars review

This made my hair so

[This review was collected as part of a promotion.] This made my hair so soft and easier to straighten as well. Its got a nice scent compared to the shampoo and conditioner, which even though I love both, I find really awful. I was concerned that it may make my hair feel oily, but it didn’t, just made it easier to manage and soft. I will definitely continue to use this.

Review from cosrx
Helpful?11CAKOS7M8UK19627169956