Best Hair Serums Ireland 2026 | Compare Prices

64 results

We compared 64 hair serums available in Ireland to bring you the best for 2026, ranked by rating, value and how many shoppers would buy again.

Our top picks

  1. 1
    Kérastase Nutritive Nutri-Supplement Split Ends Serum
    Kérastase Nutritive Nutri-Supplement Split Ends Serum

    Rated 4.9/5 from 211 reviews — from €58.65.
  2. 2
    Kérastase Resistance Therepiste Serum Duo
    Kérastase Resistance Therepiste Serum Duo

    Rated 4.8/5 from 332 reviews — from €25.07.
  3. 3
    Kérastase Magic Power Duo, Genesis Anti-Chute Fortifiant Serum And Nutritive 8H Night Serum
    Kérastase Magic Power Duo, Genesis Anti-Chute Fortifiant Serum And Nutritive 8H Night Serum

    Rated 4.7/5 from 610 reviews — from €47.84.
  4. 4
    Olaplex No.9 Bond Protector Nourishing Hair Serum
    Olaplex No.9 Bond Protector Nourishing Hair Serum

    Rated 4.6/5 from 550 reviews — from €31.60.
  5. 5
    Kérastase Blond Absolu Cica Nuit Hair Serum
    Kérastase Blond Absolu Cica Nuit Hair Serum

    Rated 4.6/5 from 173 reviews — from €59.80.
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Hair Serums — frequently asked questions

Which are the best hair serums?
Kérastase Nutritive Nutri-Supplement Split Ends Serum is one of the highest-rated hair serums on GlamGeek, scoring 4.9/5 from reviewers. Compare it against other top picks above to find the right one for you.
How much do hair serums cost?
hair serums on GlamGeek range from €10.29 to €90.00, depending on the brand and formulation. We compare live prices so you can find the best deal.
How do you choose the best hair serums?
We rank hair serums using real reviewer ratings, how many people would buy again, and live prices across retailers — not paid placements. The picks update as new reviews and prices come in.

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