John Frieda ULTRAfiller+ Hair Density Scalp Serum, Hair Thickening Serum for Fine Hair, 2 fl oz
John Frieda ULTRAfiller+ Hair Density Scalp Serum, Hair Thickening Serum for Fine Hair, 2 fl oz
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John Frieda ULTRAfiller+ Hair Density Scalp Serum, Hair Thickening Serum for Fine Hair, 2 fl oz

|274 ratings
John Frieda ULTRAfiller+ Hair Density Scalp Serum, Hair Thickening Serum for Fine Hair, 2 fl ozVOL 2 floz ULTRAfillr HR DNSTY SCLP SRM6 pack John Frieda ULTRAfiller Hair Density Scalp Serum Hair Thickening Serum for Fine Hair 2 fl oz
Pack SizeSingle

Key item features

  • HAIR THICKENING SERUM - Powered by biotin, peptides and caffeine, this triple action hair thickening serum boosts root health to promote thicker hair with regular use
  • BOOSTS ROOT HEALTH - Less breakage leads to reduced hair shedding and increased hair density
  • LIGHTWEIGHT - This hair thickening serum is a lightweight, non-greasy solution for thin, fine hair
  • SAFE FOR YOU AND YOUR HAIR - This is a cruelty-free, vegan formula with no animal-derived ingredients and it’s also formulated without parabens
  • FINE HAIR SYSTEM - The ULTRAfiller+ For Fine Hair collection delivers maximum results as a system, so use this hair thickening serum with our hair thickening shampoo and conditioner as well as our thickening spray

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Customer ratings & reviews

4.3 out of 5 stars
stars
274 ratings174 reviews
How item rating is calculated
  1. 5 stars60% (165)
  2. 4 stars22% (59)
  3. 3 stars12% (34)
  4. 2 stars3% (8)
  5. 1 star3% (8)
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Showing 1-3 of 174 reviews

Aug 19, 2026
Reviewer name: Marie
5 out of 5 stars
5 out of 5 stars review

Fantastic

I bought this and tried it not expecting a lot but I was amazed at the difference in my hair. My hair feels and looks thick , I've never had a product that does exactly what it supposed to do and I've bought them all! I also use the filler shampoo, conditioner and spray. I have found the products that I want to use forever. I'm so happy with all John Frieda's range I honestly thought I'd be searching forever because my hair is thin and fine. No more searches for me I'm sticking with this. 🥰🫶🏻💗💯

Review from johnfrieda.com
Helpful?7c3823b0-bb14-11f1-b742-47fb96ec52eb17599408669
Jan 9, 2025
Reviewer name: HeatherC10
5 out of 5 stars
5 out of 5 stars review

Already seeing new growth!

[This review was collected as part of a promotion.] My already fine hair has been struggling lately. After having a baby and getting Covid, coupled with hashimotos, my hair has been falling out by the fistfuls. I have been searching for something to help “fill in the gaps” so I'm glad I found this product! It's a slow process, but I'm already seeing new growth and less loss! This is easy to use and apply, and a great price point compared to other products with the same goals!

Review from Home Tester Club
Helpful?7c3823b0-bb14-11f1-b742-47fb96ec52eb17599408669
Jan 15, 2025
Reviewer name: Momofthreeinky7
5 out of 5 stars
5 out of 5 stars review

Notably Thickening Scalp Serum

[This review was collected as part of a promotion.] The John Frieda Ultra Filler + works! My hair has started to thin over the past couple of years and after using this I can tell a difference in the amount of volume my hair has. The applicator is great for getting into all parts of my hair without having to use an excessive amount so there is little waste. The smell is refreshing and reminds me of an a light earthy scent with rosemary and mint.

Review from Home Tester Club
Helpful?7c3823b0-bb14-11f1-b742-47fb96ec52eb17599408669
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